XIX. A Monograph of the Genus Saxifraga

XIX. A Monograph of the Genus Saxifraga. By Mr. David 001t. Commzcnicated 139 A . B. Lctmbert, Esg. V . P. L.9.

Read Z'ebrunrp 20, 1821.

IN the following monograph of a very interesting and difficult genus of plants, my principal object is to endeavour to determine the limits of species on more satisfactory grounds than I conceive has hitherto been done. As for six or seven years, during which my attention has been directed to this subject, I have had opportunities of cultivating many species of Sal~ifraga, both foreign and British, and of observing the greater part of the latter in their native habitats, I hope, in some cases at least, to have been enabled to fix on those distinguishing marks which are most constant in determining the species.

It has been proposed by some botanists to divide SasifTagu into several genera : these subdivisions appear to me, however, to rest on very insufficient grounds ; and that the genus as it now stands, consisting of sections which gradually pass into each other, is truly natural.

The species of Sas.ifragn, although most abundant in the higher latitudes, are still very widely extended over the surface of the globe. In the polar regions, many of them are found even near the level of the sea; and within the tropics, on the summits of the loftiest mountains; but: the cold and elevated regions of the north of Asia, Enrope and America are the favourite habitats of the genus.

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342 Mr. D. DON’S J f o n o p a p h of the Genus Saxijisaga.

I have been particularly careful in the selection of synonyms ; these I have considerably augmented and corrected, as will hereafter appear; doubtful ones I have in most instances ex- cluded, as they would unnecessarily increase the bulk of the paper, without adding to its utility. For many of the new species contained in this paper 1 am indebted to the splendid Herbarium of the late much-lamented President of the Royal Society, the Right Honourable Sir Joseph Banks, Bart., whose death will be long felt throughout the scientific world: and whose name, whose talents and liberality are too well known to require any additional eulogium from my feeble pen. To Aylmer Bourke Lambert, Esq. I am also infinitely indebted for liberally permitting me to examine the species contained in his vast collection ; and especially in that portion comprising the Herbarium of the celebrated Pallas.

I have divided the genus into sections and subdivisions, to both of which characters are given ; those of the sections being derived from the parts of fructification, and those of the subdivisions from the form of leaves and other differences in habit. Without any further remark, I shall now beg leave to lay before the Society a Synopsis of the genus.

Conspectus

IMr. I>. DON'S Monograph of the G e w s Saxifraga. 343

Conspectus et Sepnratio SAXIFRAG~E Generis.

SAXIFRAGA. Linn., Juss.

Syst. Linn. DECANDRIA DIGYNIA.

O r d . Nat . SAXIFRAGEX. Juss.

CHAR. ESSENTIALIS. Calyx 5-fidus. Petaln 5, integra. S f a - mina 10. StyZi 2 , persistentes. CapsuZu 2-locularis, 2-valvis k stylis persistentibus birostris : intra rostra foramine orbi- culari aperiens, polysperma. Semina minuta, laevia.

Sectio 1. BERGENIA, Mawh. C Q ~ ~ X campanulatus, 5-fidus, extus rugosus : segmentis conni-

ventibus. Petala unguiculata, calyce inserta. Stamina fauce calycis inserta ; Jikcimenta subulata ; anthere subrotunde. Styli intus cavi seminibus pleni! basi coaliti, demhm tur- gidi et in capsulam profund& bipartitam transientes. Stig- mata semiglobosa, glabra. Semina cylindracea.

Herbe perennes. Radix crassa, lignosa. Folia ampla carnosa. Petioli stipulis integris rnembranaceis sectis bases utrinque adna- tis instructi ! Scapi crassi, denudati. Flores thyrsoideo-paniculati, rubri.

Species. 1. crassifolia 2. cordifolia 3. ligulata.

Sectio 2. GYMNOPERA. CuZp 5-phyllus, reflexus. Petalu hypogyna, sessilia. Stamina

hypogyna ; Jilamenta clavata ; anthere reniformes. StyZi conniventes. Stigmata simplicia, imberbia. CapsuZa subrotunda, nuda. Semina sphmica.

2 Y 2 Herb%

344 Mr. I>. DON'S Monograph of the Genus Saxifraga.

Herb= ccespitosce, perennes, breve' surculosa. divisa, plerurnque cartilagineo-serrata. Flores parvi, paniculati, rosei nut albi, punctati.

Folia carnosn, in- Scapi erecti, ramosi.

Species. 4. Geum 7. arguta 5 . hirsuta 8. stellaris 6. umbrosa 9. Ieucanthemifolia 7. cuneifolia 10. sarmentosa 5 . spicata 11. erosa. 6. Nelsoniana

Sectio 3. LEIOGYNE.

Cu lyx profundb 5-fidus. PetaZa in plurimis sessilia. Stamina fauce calycis inserta ; filamenta subulata.' Styli recti. Stig- mata orbiculata, planiuscula, im berbia. Cupsula B calyce libera. Seinina subrotunda.

Herbae rard suffrutices, humiles. RadixJibrosa in pluribus granu- Zosa. Caules jexuosi , sepids multijiori, poZyphglZi. Folia in aliis reniformia, Zobata, in aliis linearia, indivisa. Flores albi aut lutei.

§ . Fo liis lo bn t is.

Species. 12. rotundifolia 19. bracteata 13. hybrida 20. rivularis 14. granulata 21. nutans 15. bulbifera 22. orientalis 16. cernua 23. cymbalaria 17. sibirica 24. hederacea. 18. nudicaulis

§. Foliis

M r . D. DON’S Monograph of the Genus Saxfraga. 345

8. Foliis indivisis.

Species. 25. Hirculus 3 1. brachypoda 26. flagellaris 32. juniperina 27. myosotifolia 33. aspera 28. aizoides 34. hispidula 29. bronchialis 35. bryoides SO. tenella 36. cherlerioides.

Sectio 4. MICRANTHES. Calyx 5-partitus7 patens. PetaZa parva, sessilia, patentia, ca-

lyce inserta. Stamina calyce inserta ; fiZamenta brevissima, subulata. StyZi brevissirni, crassi. Stigmata capitata, glabra.

Herb= pexennes. Radix Jibrosa. Scapi multiJori. Folia indivisa, patentia, Iunceolata v. ouata, serrata v . crenata. Flores corymbosi, parvi, albi v . $auescentes, in paniculam terminalem

Cupsrda depressa d calyce libera.

dispositi. Species.

37. hieracifolia 41. nivalis 38. pensylvanica 42. longiscapa 39. semipubescens 43. davurica 40. * virginiensis 44. pyrolifolia.

Sectio 5. SAXIFRAGB VERX.

Calyx 5-fidus. Petala sessilia, perigyna. Stamina perigyna ; filumentu plana, sensim attenuata. Stigmata patentia, plana, spathulata, pube brevi barbata. Capsula calyce obvoluta et arctb connata. Semina obovata.

Herb= perennes v. rarissimk annua, humiles, dens8 ccrrspitose plerumque surculoscz. Folia inclivisa v . sari8 partita in pluribus

rosula t a.

S46 Mr. D. DON'S Monograph of the Genus Saxifraga.

rosulatu. Elores albi 2'. Zutei aut rarissimd rosei.

Caules polyphylli rard nudi, multi v. paucgori.

5. Foliis indigisis plerumque rosulatis impetiolatis.

Species. 45. Cotyledon 55. oppositifolia 46. lingdata 56. czesia 47. Aizoon 57. diapensioides 48. intacta 58. fimbriata 49. mutata 59. serpyllifolia 50. media 60. parnassifolia 5 1. Lapeyrousii 61. androsacea 52. aretioides 62. spathulata 53. burseriana 63. sedioides 54. retusa 64. tenera.

4. Foliis 5-3-partitis petiolntis.

65. geranioides 66. irrigua 67. maderensis 68. pedatifida 69. ceratophylla 70. obtusifida 71. ajugifolia 72. affinis 73. pentadactyla 74. latifida 75. decipiens 76. hirta 77. platipetala

Species. 7s. incurvifolia 79. denudata 80. Sternbergii 81. pulchella 82. tridentata 83. andicola 84. czespitosa 85. stellata 86. BonpIandii 87. magellanica 88. exarata 89. Pavonii 90. pedernontana

91. moschata

M i - . D. DON'S M~nogi-aph of the Genus Saxifraga. 347

91. nioschata 98. cuneata 92. muscoides 99. globulifera 93. pygrnaea 100. hypnoides 94. tricuspidata 101. condensata 95. tridactylites 102. elongella 96. petraea 103. leptophylla 97. adscendens 104. laetk-virens.

DESCRIPTIONES SPECIERUM.

Sectio 1. 1 . S. crass{foZicr, foliis ovalibus obtusissimis glabris serrulatis,

petalis elliptico-oblongis. Linn. Dec. ii. p . 27. t . 14. Willcl. Sp. .PI. ii.

p . 644. Bot. Mag. t . 196. Persoon Synop. i. p . 488. Hort. Kern. iii. p . 67.

Gmel. Sib. iv. p . 166. t. 66.

S. crassifolia.

S. foliis ovalibus crenulatis, caulibus nudis.

Habitat in Siberiae alpibus. 3 . (v. v. c.)

Radix crassa, lignosa, rudimentis foliorum emarcidorurn crebrb tecta. Folia petiolata, ovalia, obtusissima, carnosa, glaberrima, lucida, serrulata. Petioli teretes. Stipuh latissimk dilatatz, glabrae sechs bases petiolorum decurrentes. Scapi pedales, denudati, nitidi, purpurei, angu- lati, crassitie ferk digiti. Panicula coarctata. Pedunculi alterni, racemosi, nutantes. Pedicelli unilaterales, numerosi. FZores campanulati, magni, rubri. Lacinice cab- c ine conniventes, oblongae, obtusz. Petala elliptico- oblonga, multinervosa.

2. S. cor-

348 MY. D. DON’S Monograph of the Genus Sasifi*aga,

2. S. corcl~foliu, foliis orbiculato-cordatis serratis glabris, x t a -

S. cordifolia. Hazorth Misc. Nat. 157. Hort. Kew. ccl. 2 .

Geum saxatile rotundifolium majus, flore purpureo. Amm.

Habitat in Siberia? alpibus. 21 . (v. v. g.)

Pmcedent i simillima, at major et robnstior. Folia orbiculato- cordata, carnosa, ampla, serrata, glabra, lucida. Petioli longiores. Scupus brevior, crassior, angulatus, glaber, lucidus. Paizicula thyrsoidea. Pedriiiculi alterni breviores, raceniosi, nutantes. Yedicelli numerosi, unilaterales. FZores campanulati, majores, rubri. Lacinice culyciizce conniventes, breviores et latiores. Petala subrotunda, multinervia.

lis subrotundis.

3 . p.67.

Ruth. 91. 90.

This plant, although it has been long considered as only a variety of the preceding species, ievertheless affords sufficient marks to keep it distinct ; and these characters are always constant when raised from seed. I t is not, as some have supposed, a garden hybrid or variety. It was found wild in Siberia both by Dr. Amman and the celebrated Pallas, in whose I-lerbarium, now in the possession of A. B. Lambert, Esq., there are several native specimens.

3 . S. ZiguEata, foliis orbiculato-cordatis, denticulatis, ciliatis, utrinque hirsutis, scapo filiformi dichotomo, petalis lath orbiculatis.

S. ligulata. ;d.VaZlich iia Ac t . SOC. Asiat. xiii. p . 398. cum$gur&. S. Pacumbis. Buchannn Mss. Habitat in Nepali=, et Bengalae orientalis, alpibus. Bu-

Radix chanan, WarZlich. 3 . (v. s. in Herb. Lamb.)

Mr. D. DON’S LMonogruph of the Genus Saxyraga. 349

Radix horizontalis, lignosa, crassitie digiti, rudimentis foliorum emarcidorum imbricatim tecta. Folia ampla, orbiculato-cordata v. rarihs ferk obovata, utrinque scabra, hirsu- tissima, margine tenuitkr denticulata et pilis crebris ciliata ; siiprB venis prominentibus reticulata. Petioli brevissimi, teretes, qudm in praecedentibus, breviores. Sti- pule latissimk membranaceo-dilatatze, secus bases petiolorum decurrentes, ad margines ciliis paleaceis longis cuspidatis instruct=. S c a p s erectus, gracilis, filiformis, nudus, lzwiusculus ; apice bifurcus. FZores rubri, praecedentibus majores, campanulati, in racemis cernuis unila-

1 teralitkr dispositi. Pedicel& calycesque scabriusculi. Ca- Zycis Lacinice brevissimae, rotundatae. Petala lath orbiculata, multinervia.

This remarkable and truly distinct species was first discovered on the mountains of Nepal by a distinguished naturalist, Dr. Francis Hamilton (formerly Buchanan), from whom there are very excellent specimens of it in the Lambertian Herbarium. Others have been more recently received from Dr. Wallich, by whose collectors they have been gathered both in the mountains of Nepal and the eastern parts of Bengal. This plant is one of many instances which manifests that striking similarity which exists between the vegetation of Nepal and that of the northern regions of Tartary.

Sectio 2.

4. S. Geum, foliis reniformibus crenatis, utrinque pilosis ; adultis confertis patentibus, petiolis longissimis teretiusculis villosis, laciniis calycinis ovatis obtusis.

Linn. S p . PI. 574. Scop. Carn. ed. 2 . n. 491. Willd. Sp. PI. ii. p. 448. La- peyr. Sarif. .€’yen. p . 46. t . 24. (bona.) Idam. et Decand.

S . Geum. Lam. Encycl. vi. p. 682.

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350 Mr- D. DON'S Monopaph of the Genus Saxqraga.

$'lor. Franc. iv. p. 379. Persoon Synop. i. p . 488. Hort. Kern. ed. 2 . 3 . p . 68. Engl. Bot. t . 1561. (optima.) Stern- berg. Saxif. p . 15.

S. punctata. S. foliis reniformibus obtusb crenatis, caule simplici nudo.

Geum folio subrotundo minori, pistillo floris rubro. Magn.

Sanicula montana rotundifolia minor. Sedum montanum rotundifolium minus album non guttatum.

6. foliorum pagin& utrinque glabra. S. elegans. Mackay in literis. 7. triplb major ; foliorum paginA utrinque glabrik, paniculii

magis diffusA, petalis majoribus pulchrk punctatis. Habitat in Sibirik; nec non in Pyrenzeor. Helvetise et Ni-

berniz alpihus copiosl., p et y in Hiberniz montibus. J . T. Mackay. 3 . (v. v. c.)

Pkunta caespitosa. Rudi,z? fihrosa. Folia anni przecedentis persistentia, conferta, rigida, humi patentia ; .juniors erecta, longi: petiolata, reniformia, coriaceii, crenata : crenaturis imbricatis obtusissimis vix cartilagineis ; suprk saturatl. viridia ; subths rubescentia ; utrinque avenia, pilis rigidis instructa. Petioli longissimi, subteretes, villosi, nunquam dilatati. Scupus erectus 4-6-pollicaris, pilis viscidis dens& tectus. Pnnicula ramosissima, multiflora : ramuli multi- tlori, varik furcati. Brclctee parvae, carnos=, lineares, obtusai!. Peclicelli breves calycesque pilis glanduliferis crebrb tecti. Lacinia calycis ovatae, obtusz, obscurb 3-nerves. Petala ovalia, punctis flavis et puniceis ad bn- sin instructa, A n t h e m flavrp. Pistilla staminibus hre- viora

5 . S. Iiir-

Sternb. loc. c i t . p . 18.

Gmel. Sib. iii. p . 161. t . 65. f. 1.

H o r t . p . 8s. t . 88. Bauh. Pin. 243.

Moris. Hi s t . iii. p . 478. sect. 12. t . 9. f. 12. (malu.)

Mr. D. DON’S Monograph of the Genus Surfraga. 3.51

5. S. iiirszda, foliis ovalibus acutb serratis basi rotundatis corda- tisve utrinque pilosis ; adultis erectis, petiolis longissimis teretiusculis villosis, pedicellis elongatis unifloris.

S. hirsuta. Linn. Sp. PI. 574. Mill. Dict. n. 6. Willd. Sp. PI. ii. p . 647. Lapeyr. FZ. P3ren. Saxif. p . 45. t . 23. (optima.) Lam. Encycl. vi. p . 681. Engl. Bot. t . 2322. (bona.) Hort. Kern. ed. 2 .3 . p . 68. Lam. et Decand. Flor. Franc. iv. p . 378. Sternb. Saxif. p . 14.

Sedum serratum, folio pallido, flore elegantkr punctato. Moris. His t . 3. 12. t . 9. f. 17.

p. foliis subrotundo-cordatis utrinque glabris. Habitat in rupibus humidis alpium Pyrenaicarum et Hiberni-

carum, /3 cum tc in Hiberniii. J . T . Macka9. IC . (v.v. c . )

PZanta czespitosa. R a d i z fibrosa. Folia omnia long& petiolata, erecta, ovalia, coriacea, utrinque pallid& viridia, pilis rigidiusculis adspersa ; basi vel rotundata v. cordata ; margine serrata : serraturis subdistantibus, triangularibus, acutis. Petioli longissimi, erecti, teretiusculi, dens& villosi ; supr$ canaliculati. Scupi erecti, palmares aut pedales, flexuosi, villis viscidis tecti. Panicula divaricatim ramosissima. PediceEZi elongati, uniflori, calyeesque pilis glanduliferis obsiti. Lacinia: calycine ovate, obtuse, obscurb %nerves. Petula ovali-oblonga, alba punctis numerosis fulgidis rubris et flavis instructa oculo arniato 5-nervia. Filamenta alba, pistillis longiora. Anthem rubrze.

This species appears intermediate between S. Geum and umbrosa ; with Geum it agrees in the form of its petioles, and in its leaves being cordate at the base ; and with S. umbrosa in its more oval, smooth, and paler green leaves and larger flowers with bright-coloured spots. From both, however, it appears suffi- ciently distinct to rank as a species. .Moris. His t . 3 . 12. t . 9. ,f . . 17

‘ 2 2 2 b (riven

352 M r . D. DON’S Monograph of the Genus Saxyraga.

given as a synonym of punctata, certainly belongs to this plant. Magnol. Hort. Monsp. f. 87. ought with more propriety to be referred to S. Geum.

6 . S. umlrosa, foliis obovatis retusis cartilagineo-crenatis glaberrimis ; adultis confertis patentibus, petiolis brevibus compresso-dilatatis, pedicellis paucifloris.

S. umbrosa. Sp. PI. 574. Mill. Icon. 141. f. 2. 7ViZld. Sp. Pi. ii. y. 647. With. Brit. 403. Lapeyr. Pyren. Sax$ p . 44. t . 22. ( b o m . ) Lam. Encycl. vi. p . 680. Smith Brit. ii. p . 450. Engl. Bot. 633. Hull. Brit . 92. Perscion Sp nop. i. p . 488. Lam. e t Decand. FI. Frunc. iv. p . 378. Hort. Kew. iii. p . 67.

Geum folio subrotundo minori, pistillo floris rubro. Tournef. Inst. 251.

/3. punctata, foliis subrotundis argutb dentato-serratis ; adultis erectis, petiolis longioribus,

S . punctata. Linn. Sp. PI. 574. (exclus. syn. Moris. Hist.) Willd. Sp. Pt. 2. p . 646. (exclus. syn. Moris. f l i s t . )

y. serratifolia, foliis oblongo-ovatis inciso-serratis ; adultis erectis, petiolis longioribus.

S. serratifolia. Muckuy in literis. Hubitat a in alpibus Pyrenaicis et Hibernicis, p et y in

Plunta cespitosa. Rudix fibrosa. Folia anni praecedentis persistentia, dens& conferta, humi patentia ; juniora erecta, brevb petiolata, obovata, retusa, cartilagineo-crenata : crenaturis subimbricatis, u trinque viridia glaberrima. Pe- t ioli compresso-dilatati, supra. plani, ad marginem villis mollibus tenuitbr ciliati pagin% foliornm vix longiores. Scapiis erectus, flexuosus, villis viscidis tectus. Panicula divaricatim ramosa. Pedicelli breves, pauciflori, calyces-

que

Sternb. Saxif. y. 14.

Hiberniae montibus. D . _MaclCcy. 3 . (v. v. c.)

.Mr. D. DON'S Monograph of the Genus S u i f r q a . 953

que pilis brevibus glanduliferis conferth instructi. Lncinia calycis ovate, obtusz, obscurl. trinerves. Pctaln ovalia, conspicuk trinervia : nervis ramosis, roseo-alba punctis numerosis coccineis et flavis pulcherrima.

Saaiji*aga unzbrosa is readily distinguished from the two preceding species by its flat, dilatated, and much shorter petioles ; by the leaves never being cordate at the base ; and lastly, by the serratures being more distinctly cartilaginous at their margins. The variety @. I believe to be LinnSeus's S.pzinctatcc: it differs from tc. by the greater length of its petioles, and by the older leaves being loose, and always erect, never confert and spreading on the ground as in var. a ; the var. 7. is very near akin top, only differing in its leaves being oblong-ovate. They both likewise differ from a. by the large and sharp serratures of their leaves. The synonyms of Morison and Miller, quoted by Linnaxs, evidently belong to hirsuta. The Count de Sternberg, in his excellent monograph of the genus, has described for S. prtnctata the Siberian S. Geurn, which differs in no respect from the European one, as I have examined excellent specimens of it in the Pallasian Herbarium in the possession of A. B. Lambert, Esq. These specimens agree exactly with Cmelin's figure quoted by him.

7. S. cuneifolia, foliis cuneiformibus repando-crenatis glabris ; adultis confertis patentibus : petiolis, linearibus angustissimis nudis, laciniis calycinis oblongis acutis, petalis spathulatis.

s. cuneifolia. scop. curt i . 490. f. 13. Schrnied. Fuse. t . 12. n. 37. 17'iEkd. Sp. PI. ii. p . 647. La- yep . Yyren. Sasif'. p.45. PV(i1dst. e t Kituil. IIirng. i. p.43. t . 44. (media.) Lam. E i i ~ ~ j d . vi. p. 6Sl. Lam. et Decnnd. Fl. Frnnc. iv. p . 377. HOT?. Ke70. ed. 2. 3. p. 68. Stemb. Sus'if. p . 14.

Saxifraga

Linn. sp. PI. 574.

,354 &I/*. I). DON’S Monograph of the Genus Saxifraga.

Saxifraga punctata. Gum. h’orv. n. 1076. Act. Haf. x.

S. foliis petiolatis obtusis, caule fragili nudo ramoso. Hall.

Cotyledon altera olim Matthioli. Cotyledon aut Sedi species quzdam. Gem. Fasc. xix. t . 12.

0. davurica, foliis opacis dentatis, floribus majoribus. S. davurica. IIort. nec Willd. Habitat a in alpibus Pyrenixor. Helvetiae, Styrize, Hungark

et Norvegie ; in Sibirih? Y . (v. v. c.)

Planta czspitosa, duplb minor. Radiz fibrosa. Folia anni precedentis persistentia, conferta, humi patentia ; juniora erecta, cuneiformia, petiolata, utrinque glaberrima, repando-crenata, rigid& coriacea, basi attenuata. Petioli lineares, angustissimi, rigidi, fragiles, nudi, margine cartilaginei. Scapus erectus, flexuosus, rigidus, fragilis, villis viscidis rar& adspersus. PanicuZa divaricatim ramosa : rami dichotomi. PecZiceZZi calycesque pilis glandulosis instructi. Lacinie caZycine oblong&, acutse, obscnrb uninerves. Pe- tala spathulata, basi angustata, puncto luteo, subsolitario instructa, sub niicroscopio trinervia : nervis ramosiusculis. StaminG pistillis fer& dupl0 longiora ; jifilamenta alba; all-

tliere fulm.

p . 445. t . 3 . f. 10.

Helv. n. 974. Bauh. Hist. iii. p . 684.

j‘. 37. (bene.)

8. S. spicata, foliis Ion$ petiolatis orbiculato-cordatis argutk serratis venosis pilosis, petiolis basi dilatatis, racemo elon- gato spiciformi, laciniis calycinis brevissimis obtusis.

S. Geum. Pursh FZ. Amer. Septent. i. p . 311. Habitat in Insulii Sledge dictft ad oras occidentales Ame-

ricse septentrionalis. n. Nelson. 3 . (v. s. in Herb. I.$ an k s . )

P l t l l l t N

&Wr. I). DON’S Monograph of the Getitis S~~,riji*ugu. 355

Pluntu cmpitosa. Budix fibrosa, Folia omnia erecta long& petiolata, orbiculato-cordata, conspicuk venosa, gross& et acutb serrata, utrinque pilosa ; petioli longissimi ; basi dilatati, subths striato-nervosi, margine villis mollibus ciliati. Scapus pedalis, teres, erectus, villis viscidis tectus. l ime- mus elongatus, apice attenuatus, varib dichotomus, multi- florus. Pedicelli brevissimi, numerosi, pube brevi glutinos%, ut et calyces, tecti. Lacinie culycine brevissimz, obtusae. Pet& elliptico-oblonga, punctata ? 3-nervia : nervis ramosis Aexuosis. Genitalia petalis’ trip10 longiora ;

jilumentu longissima, gracilia ; pistilla elongata, recta.

The above species is widely different from the S. G e m , with which Pursh has confounded it. It is distinguished by its nerved and dilated petioles. The leaves are all erect, broader, orbiculato-cordate, veined and serrated ; their teeth large, acute. Fiowers on dichotomous peduncles, disposed in a long tapering raceme. The laciniae of the calys are much shorter and broader. The stamens twice the length of those of S. G e m , and longer than the petals. The only specimens I have seen of this very distinct plant are preserved in the Banltsian Herbarium, and were collected in Sledge L Island, on the north-west coast of America, by Mr. David Nelson, a very indefatigable botanist, who accompanied the celebrated Captain Cook in his third voyage, and who has made many interesting discoveries in those regions.

9. S. Nelsonianu, foliis orbiculato-cordatis subpeltatis inciso-serratis, petiolis longissirnis filiformihus, thyrso ovato.

Habitat ad Caput Newnham dictum, ad oras occidentales Americze borealis. Dmid Nelson. Y . (v. s. Herb. Banks.)

Planta suhcaespitosa. Rnclis fibrosa. Folk omnia erecta, long6

3% Mr. D. DON'S Monograph of the Gexus Saxifrcrgu.

long& petiolata, orbiculato-cordata, subpeltata, coriacea, supr$ glabra, subtlis hirsuta, inciso-serrata : serraturis magnis acutis. Petioli longissimi filiformes, aequales, undique villosi. ,Scapus palmaris, erectus, simplicissimus, teres, villis longis mollibus undique tectus. .$'.!ores brevk yedicellati, albi, magnitudine S. nivalis, in thyrso ovato terminali dens& dispositi. Lacinia cai$cim triangulari- ovate, acute. Petalu ovalia, parva, alba, impunctata ? Filameiita alba. Pistilla elongata, recta.

Ilanc speciem pulcherrimam et omnind distinctam no- mine inventoris peritissimi atque indefessi lubens conde- corari.

10. S. arguta, foliis reniformi-rotundatis inciso-serratis glabris, petiolis filiformibus, scapo gracili laevi, laciniis calycinis oblongis acutis.

D. Mennies. 2. (v. s. in Herb. Banks.)

Z'olia long& petiolata, reniformi-rotundata, profundb inciso-serrata, iitrinque glabra. Petioli longissimi, filiformes, graciles. Scupus lzvis, gracilis. Pani- cula simplicissima. Flores albi, magnitudine S. stellaris. Lacinia ca[ycis oblonge, %cute. Petalu ovalia, unguiculata, multinervosa, punctata ? Pistilla brevissima.

Habitat ad mas occidentales Americe septentrionalis.

Radix fibrosa.

1 1, S. stellaris, foliis aggregatis rhombeo-ovatis sessilihus acut& dentatis : basi integerrimis angustatis, petalis ovatis acutis aequalibus unguiculatis, scapo subsimplici.

Plor. Dan. t . 23. (bona.) Jacq. Coll. i. p . 202. t . 13. (optima.) Scop. Carn. i. 292. t. 13. (mcdia.) Huds. An& 179. Light$ Scot. i. p. 220. With. Brit. 402. l%ngl. Rot.

t . 167.

5. stellaris. Lilt$. Sp. PI. 57%.

Willd. Sp. PI. ii. p . 644.

Mr. D. DON’S Monograph of the Genus Saxifraga. 357

t . 167. (bona.) Lapeyr. Pyren. SaxiJp.490. Lam. En- cycl. vi. p. 680. Persoon Spnop. i. y. 488. Lam. et Decand. Fl. Franc. iv. p . 379. Hort. Kem ed. 2. 3. p. 68. Wahlenb. Lapp. p. 114.

S. foliis rhomboideis acutk serratis, caule nudo ramoso. Hall. Nelv. n. 973.

S. foliis lanceolatis dentato-serratis, caule nudo simplici. Linn. Suec. 335, 367.

S. caule nudo simplici, foliis Ianceolatis dentatis, petalis acutis. Linn. Lapp. 175.

Sanicula Myosotis floribus albicantibus ferk umbellatis. Pluk. Alm. p. 331. ejusrl. Phytog. t. 58. f. 2. (bene.)

Sedum montanum hirsutum mucronato et dentato folio, flore &!oris. Hist. iii. p. 478. s. 12. t. 9. f. 13.

Sanicula alpina aliquatenus affinis. Bauh. Hist. iii. p. 708. 8. elata, scapi plures, pedales. y . angustifolia, foliis angustioribus longioribusque apice

6. Schleicheri, foliis obovatis repando-crenatis, scapo flexuoso

S. stellaris. Schleicher in litcris.

Smith Brit. ii. p . 448.

Sternb. Sax$ y. 11.

’albo guttato. (bene.)

paucidentatis.

humilior e.

t . Bellardi, acaulis ; foliis subrotundis repandis, flore ses- sili.

S. Bellardi. Allion. Pedem. n. 1536. t. 88. f. 1. WiZld. Sp. PI. ii. pA45.

Hahidat a Scotiae et totius Europae alpium petrosa humida et scaturigines ; P et y in Sibiri% (Pallas) ; 6 in alpibus Helveticis (Schleicher) ; c in alpibus Pedemontanis (Bel- Zardi). 2~ . (v’ v. t~ sp. 6 cult. ; @ et y v. s. in Herb. Pal-

Sternb. Sax$. p . 2.

lasio, nunc Lamb.) VOL. X I I I . Q A PlCrlltd

358 Mr. D. DON'S Monograph of the Genus Saxyraga.

12..

PZanta in caespitibus densis parvulis vegetans. Radix fibrosa. Foliu confer&, sessilia, rhombeo-ovata, apice acuti: dentata, basi integerrima, angustata, utrinque pilis setosis adspersa ; supr& nitida. Scapus subnudus, 2-4-pollicaris in @ pedalis, villis mollibus viscidis instructus. Panicula simplex, pauciflora. Peclzinculi dichotomi calycesque pilis glandulosis leviter tecti. Bractece ovake, acutae, integrae. Lacinice caZycina ovato-acutae, 3-nerves. Pe- tala ovata, acuta, alba, zequalia, unguiculata, elegantis- simi: 3-nervia (nervis simplicibus rectis) ; basi maculis 2 aureis instructa : dorso carinata. Filumenta alba. An- them croceae. Pistilla brevissima, crassa.

S. Zeucunthemifolia, foliis confertis lanceolato-cuneatis acutk grosskque dentatis, basi integerrimis angustatis, scapo ramosissimo diffuso, petalis ovatis acutis unguiculatis ; tribus exterioribus majoribus.

S. leucanthemifolia. Mich. Arnsr. Bor. i. p . 268. Lapeyr. Pyren. Saxif. p . 49. t . 25. Lam. Encgcl. vi. p . 679. Pursh Amer. Septent. i. p . 311. Sternb. Saxij'. p . 10.

S. Clusii. Gouan Illust. p . 28. (exclus. synon.) Lam. e t Decand. Flor. Franc. iv, p . 380.

Hahitat in alpibus Pyrenaicis, et in Americ% boreali. y (v. v. c. et s . sp.)

Plunta caespitosa. Radix fibrosa. Foliu conferta, erecta, lanceolato-cuneata, apice acutk grosskque dentata, basi integerrima, angustata, utrinque pilis setosis instructa. Scapus subnudus, 4-6-pollicaris, flexuosus, diffush ra- mosissimus, villis viscidis tectus. Rami dichotomi. Pe- clicelli elongati, graciles, uniflori, pube brevi ghtinosii vestiti. Lacink cal*yycinc~ ovatae, obtusae. Petala ovata,

acuta,

MI.. I). DON'S &lonograph o f the Genus Saxifraga. 359

acuta, inzqualia, unguiculata, triplinervia : nervis ramosis, flexuosis ; tria exteriora majora, basi biguttata ; duo interiora multd minora, immaculata.

OBS. Przcedente triplb major, in plurimis tamen similis, at notis indicatis abundk diversa.

13. S. snrmentosa, stolonilnus reptantibus, foliis orbiculato-cordatis latk lobato-crenatis discoloribus pilosis, petalis unguiculatis ; duobus exterioribus maximis flaccidis.

S. sarmentosa. Linn. Suppl. p . 240. Thnb. Jnpon. p . 182. Scfweh. Monog. Dionee, p . 16. t. 2 . f. 3. (media.) Ait. Hort. Kew. ed. 1. 2. p . 79. Lam. Encycl. vi. p . 684. Yersoon Synops. i. p . 488.

Murr. in Comment. Giitt. 1781. p . 26. t . 1. Schkika. Kampf. A m m . 870. Jacg. Misc. ii. p. 327. e21sd. Icon. uar. 1. t. 80. (optima.)

Habitat in Imperii Japonarum locis montosis et humidis inque lapidosis (Kumpfeer, Thunberg) ; etiam in Chin&.

S. ligulata.

y. (v. v. c.)

Planta cmpito?a, stolonifera. Radix fibrosa. Stolones axil- lares, latk reptantes, ad genicula suprk comam parvam foliorum et inf& fibras nonnullas progredientes. Folia numerosa, patentia, orbiculato-cordata, long& petioIata, lobato-crenata : crenaturis latissimis obtusis, utrinque pilis setosis adspersa, supra. opac& viridia, fasciis albis ; subths rubra. Scnpi palmares, aut pedales, erecti, petiolique pilis rigidiusculis viscidis deflexis undique vestiti. Panicula ramosa, laxiflora. Rractea lanceolatae, rnucro- natze, pedicellique pube glutinosti obsitae. Lacink cab- cince latb ovatz, obtusae, conspicub trinerves. Petala unguiculata : unguibus capillaribus ; tria interiora parva,

3 ~ 2 cordata

360 Mr. D. DON'S Monograph oftthe Genus Snxfraga.

cordata, acuta ; horum lateralia basi maculii flav& notan- tur, at centrale punctis duobus puniceis ad basin muni- turn est ; duo exteriora maxima, lanceolata, acuta, flaccida, 3-nervia : nervis flexuosis, ramosis.

14. S. erosa, foliis lanceolatis acutis glabris runcinato-serratis, panicul% divaricati pyramidatii, pedicellis elongatis unifloris, petalis oblongo-ovalibus obtusis unguiculatis.

S. erosa. /3. foliis hirsutis. Hubitat tx in rivulis lapidosis m m tiixm excelsiorum Carolinst:

6 in horto Chelseano colitur. x .

Yursh Anier. Boreal. i. p . 311.

et Virgink. Pursh. (v. v. c.)

Plantu cxspitosa. Foliu numerosa, erecta, lanceolata, acuta, erosb runcinato-serrata, basi integra in petiolum angustata, utrinque glabra, lucida. Scapi stricti, pedales v. sesquipedales, teretes, pilis viscidis patentibus undique tecti. Paniculn divaricata, ramosa, laxiflora, pyramidata. Pedicelli elongati, filiformes, uniflori, calycesque pilis glanduliferis crebrb instructi. Lncinia calycis ovate, obtusae, obscurb uninerves. Ye ta la oblongo-ovalia, alba, unguiculata, 3-nervia : nervis simplicibus strictis, puncto Aavo solitario ad basin instructa. Filamenta alba. An- t h e m aurete.

Sectio 3. § Foliis lobatis.

15. S . rotundifolin, foliis reniformibus inaequalitbr grosskque dentatis ; caulinis petiolatis, petalis lanceohtis acutis.

S. rotundifolia. Linn. Sp. PI. 576. Mill. Dict. n. 5 . ejusd. Icon. t . 141. (media.) Scop. Carla. ii. n. 488. fl4Ud. Sp. PI. ii. p . 651. Curt. Mngax. $24. (bonn.) Lapeyr. Py-

ren.

Mr. D. DON'S Monograph of the Genus Saxifraga. 361

ren. Saxay. p . -50. t . 26. (optima.) Lam. Encycl. vi. p . 688. Persoon Syiop. i. y. 489. Hort. Kew. ed. 2. 3. p . 69. Sternb. Sns i f . p . 17.

S. foliis caulinis reniformibus dentatis petiolatis, caule paniculato.

S . foliis reniformibus acute serratis hirsutis petiolatis, caule ramoso. Ifull. Efelv. n. 975.

S . foliis reniformibus acutb crenatis, caule ramoso folioso. Hort. Cl$ 167.

Sanicula montana rotundifolia major. Sanicula alpina. Coin. Epit. 764. Gesn. E'usc. xix. t . 10,

0. repunda, major et robustior, foliis latioribus. S. repanda. S. rotundifolia. Marscli. It Bieberst. Fl. Taurico-Cauc. i.

y . 315. Steven de SuxyJ C a m . in M e m . fiIosq. iv. p . 76. Habitat OG in Austrix, €Ielveti.de et Sibiria: alpibuv; p in

alpestribus 'Caucasicis. 3 . (v. v. OL et p c.)

Gmel. Sib. iv. p . 162.

Itoy. Ltigclb. 453. Buuh. Yirr . 243.

J. 2.5.

Siernli. loc. cit. y. 17. t . 5 .

Planta densk caespitosa. EZcidix fibrosa. Caicles erecti, rigidi, flexuosi, foliosi, palmares pedalesve. Folia radicalia renikrmia, long& petiolata, inaequalitkr grosskque dentato-serrata ; suprh lucida, pihs setosis adspersa ; subths pubescentia ; caulina petiolata radicalibus conformia nisi magis in=qualit&r et profundihs dentata : petioZi semiteretes, undique villosi. Panicula divaricata, laxa. Brac- tea lineares longitudine pedicellorum. Pedicel& calycesque pilis glandulosis tecti. Culpx patens ; laciniz oblong=, obtusiusculq obsoletb 3-nerves. Petala Ian- ceolata, acuta, a1 ba, punctis minutis coccineis adspersa, 3-nervia : nervis simplicibus. Filnmenta alba. Anfhera pallid=.

QBS,

OBS. Var. @ ex mente Clariss. Steveni ab rotundifoliii non differt, tamen mihi in hortis semper in omnibus partibus, przeter flores, majorem et robustiorem apparuit.

16. S. hybrida, foliis radicalibus petiolatis cuneato-rotundatis crenatis ; caulinis minutis integris, caule paniculato. Stentb . Snxif. p . 17. t . 8. j . 3.

Habitat in alpibus Pyrenaicis. 2.

Hanc plantam nec vivam neque siccam vidi. Praecedenti valdi: affinis videtur, at modb figura Sternbergii fidenda: abundk discrepat statur% minori et graciliori ; foliis basi acutis nec cordatis ; caulinisque minutis, integris, subsessilibus.

17. S. granuluta, foliis radicalibus reniformibus inciso-lobatis ; caulinis petiolatis, laciniis calycinis lanceolatis obtusis, petalis spathulatis.

S. granulata. Linn. Sp. PI. 576. Hzids. An& 152. Plot-. Dan. 514. Willd. Sp. PI. ii. p . 651. Lam. Iltust. t . 372. f. 1. (mala.) ejusd. Flor. Fraicc. iii. p . 532. Engl. Bot. t. 500. (bona.) Smith Brit. ii. p . 453. L a p e p . Pyren. Sax$ p . 52. Hort. Kew. ed. 23. p . 69. Sternb. Sax$ p. 16.

S. foliis caulinis reniformibus obtusb lobatis, caule riamoso, radice granulatii. Hort . Cli f . 167. Fl. Sziec. 350.

S. foliis radicalibus reniformibus obtusk dentatis, caulinis palmatis. Hall. Helv. n. 976.

S. rotundifolia alba. S. alba. Dod. Yempt . 316. Sedum rotundifolium erectum, radice granulatii.

p . floribus plenis.

With. Bri t . 405.

Tbid. Encycl. vi. p . 689.

Bauh. Pin. 309.

Moris. Zllist. iii. y. 47‘4. 9 11. t . 9. .f’. 23. (bona.)

y . VlUl-

Mr. D. DON'S Monograph of the Genus Sasifraga. 363

y . rnulticaulis, caulibus pluribus brevioribus, foliis circinato-

S. granulata, P. multicaulis. Habitat tc in apricis et nemoribus Europte borealis et me-

ridionalis, ubique obvia ; ,G in hortis colitur ; 7 in alpibus Pyrenaicis. Lapeyrouse. 3 . (v. v. sp.)

incisis. Lapeyr. Zoc. cit. t . 27.

Radix granulata. Caules erecti, 4-6-unciales pedalesve, ramosi, foliosi, multiflori, villis mollibus viscidis crebrb obsiti. Polin radicalia petiolata, reniformia, inciso-lobata, utrinque hirsuta : petiolis villosis ; caulina petiolata, palmata. Bractee lanceolatae, obtusae. Pedicelli elongati, uniflori, calycesque pube glutinosii instructi. Flores magni, campanulati, candidi. Laciiiice cni'ycince lanceolatae, obtuse, %nerves. Petala spathulata, triplinervia : nervis ramosis Aexuosis.

18. S. bulbifera, foliis radicalibus reniforniibus petiolatis crenatis ; caulinis sessilibus inciso-lobatis, laciniis calycinis triangulari-ovatis acutis, mule ramoso multifloro.

S. bulbifera. Linn. Sp. PI. 577. Willd. Sp. P1. ii. y. 651. (exclus. synon. Gunn. Norv. et Flor. Dan.) Lam. En- c y l . vi. p . 690. (exclus. synon. Gurin. Norv. et Nor, Dan.) Persoon Synop. i. p . 489. Lam. et 1)ecand. FI. Franc. iv. p . 369. Sternb. Sax$ p . 15. t . 12. f. 1. (bona .)

Sedum rotundifoliurn erectum soboliferum. Moris. Hist . iii. p . 474. $ 12. t . 9. ,f. 24. (optima.)

Sedum ad folia bulbos gerens. Bauh. Pin. 309. Col. Ecphr. i. p . 318. t . 317. (bona.)

Habitat in Europe australis pratis saxosis et umbrosis, in HispaniA, (Pnvon). 2 . (v. s. in Herb Banks. et Lamb.)

Radix

b

Radix granulata. Caiilcs erecti, palinares v. pedales, teretes, ramosi, multiflori, pilis viscidis instructi. Fdia radicalia reniformia, obtusP crenata, utrinque pilosa, long& petiolata : petiolis villis viscidis confertb tectis ; caulina omnia sessilia, inferiora inciso-dentata, superiora ovato-oblonga, integra, in axillis bulbos gerentia. Pe- dunculi elongati, uniflori calycesque pabe glutinosk tecti. FZores candidi praecedente minores. Lacinie calycis triangulari-ovatze, acutae. I'etala spathulata, triplinervia : nervis flexuosis ramosissimis.

This is undoubtedly the true Linnzean S . bulbifera, which is confined to the southern parts of Europe. It is therefore remarkable, that so accurate an observer as Wahlenberg should have described it as a Lapland plant, nearly related to cernua, if really specifically distinct from that species, which indeed I am rather inclined to doubt. The figure of Horu Danica, quoted by Willdenow and others, belongs evidently to S. cernua.

19. S. c e i w a , foliis glabris petiolatis ; radicalibus reniformibus inciso-lobatis ; caulinis palmatis, laciniis calycinis ovatis obtusis, petalis spathulatis eniarginatis, caule simplicis- simo subunifloro.

Linn. Sp. Pl. 577. Flor. Dmr. t . 22. ( n d a . ) G u m , Norv. n. 528. f. 9. J'. 2. (boiia.) W I d . Sp. PI. ii. p . 552. With. Brit. 405. Lapeyr. Pyren. Sax$ y . 52. Lam. E n c p t . vi. p , 690. Engl. Bot. t. 664. (boita.) Persoori Synop. i. p . 489. Kahlenb. Lapp. 116.

Linn. PI. Lapp. 172 t . 2. f. 4. (bona.) F?. Suec. 352. 37%

,El. caule

S. cernua.


Sternb. Sax$ p . 18. t . 12. f. 2 . S. foliis palmatis, caule simplici unifloro.

Iiort. Cl@ 167.

i l k D. DON’S Monograph of the Genus Saxifraga. 365

8. caule subramoso paucifloro. FZ. Dan. t . 390. Habitat in summis alpibus Lapponicis, Pyrenaic. , Helvetic.,

Scotic. ; in Lapponiae ? et Norvegiae alpibus, nec non in Sibirik (Pallas). Y . (v. v. a; /3 s. in Herb. Pallas. nunc Lamb.)

Radix squamata ; squamae carnosae e basibiis petiolor. foliorum primordialium enatz. Caulis erectus, 4 4 - u n - cialis, simplicissimus, Aexuosus, foliosus, laeviusculus, pi - lis raris brevibus adspersus. Folia radicalia petiolata, reniformia, glabra, .incise-lobata : lobis ovatis acu tis ; caulina petiolata, glabra ; inferiora palmata ; superiora indivisa, ovata, ad axillas bulbis parvis aggregatis instructa. FZos solitarius, terminalis, magnus, campanulatus, candidus, nutans. Pedicellus brevis, pilis brevibus viscidis, ut et calyx, levitkr adspersus. L a c i n k CQ-

&cine ovatae, obtusse. Petah spathidata, triphervia : nervis flexuosis ramosissimis.

S. bulbifera. Wahlenb. Lapp. 116?

20. S, Sibiricu, foliis hirsutis petiolatis ; radicalibus reniformibus palmatis ; caulinis digitatis, pedicellis elongatis remotis, petalis obovatis : nervis simplicibus, caule filiformi ramoso.

S. Sibirica. WilZd. Sp. PI. ii. p . 655. Lam. EncycZ. vi. p. 693. Persoon Synop. i. p . 489. S t e r d . Sax$ p . 23. t . 25.

S . foliis reniformibus acutis digitatis, caule ramoso folioso. GmeE. Sib. iv. p . 162. n. 74.

S. granulata. Steven. de Sax$ Cauc. in Mem. Mosq. iv. p . 7’7. n. 3 ? (exclus. synon.) Marsch. FZ. Taw. Cauc. i. p . 315? (exclus. synon.)

L

Linn. Sp. PI. 577.

S. grandiflora. Sternb. S u x f . t . 12. f. 4 ? VOL. X I I 1 . 3 B S . cym-

S. eymb:daria. Mnrsch. ti Bieb. Suppf. FZ. Taw. Cnuc. p.%92? (exclus. synon. WiZZd.)

Habitat in Sibirifi (GmeZin, Pnllns), in alpium Caucasica- rum saxosis prmuptis ? Steven, Marschnll (1 Biderstein. 3 . (v. s. in I-Icrb. Pallas. nunc Lamb.)

Rndi~ squamata, fibras numerosas ernittcns, rudimentis foliorum emarcidorum superni. instructa. Cnitles filiformes, graciles, 4--5-pollic;lres, ramosi, adscendentes, foliosi, villis viscidis levitbr instructi. Polin radicalia long& petiolata reniforrnia, lobato-palmata : lobis ovatis acutis, utrinque hirsuta ; caulina digitata, inferiora petiolata, superiora sessilia. Petioli graciles, omnes villosi, Pedicelli remoti, elongati, capillares, unitlori, calycesque levitbr pubescentes. L a c i n k catycince ovatze, obtusius- CUIE. Petatn obovata, alba, triplinervia : nervis rectiusculis, simplicibus.

The above description was taken from specimens in the Pal- lasian Herbarium, in the possession of A. B. Lambert, Esq. Sternb. t . 85. corresponds exactly with these specimens ; but the leaves of the latter are more deeply lobed than represented in the figure. The S. grandijiora Sternb. t. 12. f. 4., which is the granulata of Steven, and the S. cymbalaria of MarschaH's FZoru Taurica, I am inclined to think belongs also to this plant; but having never seen specimens of it, I am unable to decide. The roots of this section, whether scaly or fibrous, scarcely afford any specific cliaracter, as they have all a tendency to become scaly.

2 I. S. nudicaulis, foliis reniformibus palrnatis glabris, floribus panidat is , laciniis caIycinis acutis, scapo nudo.

Habitat' ad oras occidentales Americz borealis. David Nel- son. Y . (v. s. in Herb. Banks.)

nadir

i lk D. DON'S Moiiograph of the Geniis Sasijiragrr. 367

Radix: fibrosa. Scupi erecti, nudi, 4-5-pollicares, teretes, glabriusculi. Folia radicalia reniformia, petiolata petiolis glabris, lobato-digitata, utrinque glabra : lobis ovatis mucronatis. Flores paniculati, magnitudine S. rivularis, albi. Pedicelli calycesque Filis glandulosis levitbr ohsiti. Lacinice calycince triangulari-ovatze, acutae. Petala parva, obovata, calyce longiora, triplinervia : nervis rectiusculis, sirnplicibus. &hzen t 'a gracilia stylos zquantia.

22. S. bracteat'n, foliis radicalibus caulinisque longk petiolatis reniformibus inciso-lobatis, Aoribus congesto-corymbosis bracteatis.

IInOitat in SihiriA orientali. D . Merk. 3 . (v. s. in Herb. Pallas. nunc Lamb.)

Plantn czespitosa- Rudis fibrosa. Cauies adscendentes, Aexuosi, foliosi, teretes, ramosi, villis viscidis tecti, 3-5- unciales. Polin radicalia reniformia, lobato- crenata : lobis obtusis latis, utrinque nudiuscula, long6 petiolata ; caulina long& petiolata inciso-lobata. Petioli bisi dilatati villis longis tecti. Flores congesto-corymbosi, bracteati, albi, illis S . cernuct. pauli, majores. Bmctece numerosz, latissimae, indivisae. Pediceili calycesque pilis glandulosis suppediti. Lucinia calyciizce lati: ovatae, obtusq

* obscuri: trinerves. Yetala obovata, alba, calyce paulo longiora, triplinervia : nervis simplicibus, rectiusculis.

23. S. rivduris, caule debili simplicissirno, foliis reniformibus long& petiolatis glabris, Aoribus suhternis sessilibus bracteatis.

S. rivularis. Linn. Sp. PI. 577. &'la Lapp. n . 174. t . 2 . f. 7. (bona.) Fl. Dan. 118. Gunn. Norv. n. 479. Gmel. Sib. iv. p. 170. Willd. Sp. PI. ii. p . 652. Lam. Encycl. vi. y. 690.

2 % 2 Smith

368 Mr. D. DON'S Monograph of the Genus Saxifraga.

Smith Brit. ii. p. 454. Engl. Bot. t. 2275. (optima.) Waiilenb. Lapp. p . 117. Pursh FI. Amer. Septent. i. p . 312. Sternb. Saxif. p . 19. t. 12. f. S.

Habitat in Europe summis 'alpibus, nempb in Lapponih (Linn., Wahlenberg), in 'NorvegiA (Gunner), in Sibirih (Gmelin), in cacumine alpis Ben Lawers dicti Scotiae (Dickson, G . Don). 0 . (v. v.)

PZanta annua, laetb virens, debilis. Radix fibrosa. Caules adscendentes, gracillimi, bipollicares, oligophylli, su- pernb villis viscidis instructi. Fulia omnia reniformia, long& petiolata, utrinque petiolisque glabra, 5-6-lobata :

FZores terminales, subterni, sessiles, parvi, albi, bracteati. Bractece sub- ovate, obtusae, trifidse vel indivisz, sessiles, ad basin florum insidentes et illos zquantes. Lacinia calycina ovate+ obtusissimte, rectz, conniventes. Petala ovalia, obtusa, triplinervia, subdistantia, calycern parhm superantia. Stamina petalis breviora.

. lobis ovato-rotundatis obtusissimis.

24. S . nutarzs, caule unifolio, racemo nutante paucifloro, laciniis calycinis lanceolatis acutis.

Habitat ad oras occidentales Americae septentrionalis insu- lam Unalaska dictam. David Nelson. Y . (v. s. in Herb. Banks.)

PZanta cespitosa. Radix fibrosa, rudimentis foliorum emarcidorum supra tecta. CauZes erecti, 3-4-unciales, teretes, par& pubescentes, basi decumbentes, medio geni- culati, folio unico instructi. Folia radicalia long& petiolata, reniformia, grossk inciso-dentata, utrinque pilis rigidis brevibus adspersa : petiolis hirsutis, latissimk mem- bknna&?oidilatatis ; caulinurn solitariurn, petiolatum, con-

form e ,

Mr. D. DON'S Monograph of the Genus SaxiJraga. 369

forme. Flores racemosi, candidi, magnitudine S. bulbifera. Rncemus nutans, 4-5-florus. Pedicelli breves calycesque pilis glanduliferis confertb obsiti. Lacinice calycina lanceolatse, acutze, sub oculis armatis trinerves. Petala obovata, triplinervia : nervis .flexuosis, ramosissimis.

S . orientalis, foliis radicalibus rotundatis ; caulinis cuneatis acutb grossbque dentatis, laciniis calycinis ovatis acutis, petalis ovalibus : nervis simplicibus.

S. orientalis. Jacg. Obs. ii. p . 9. t . 34. (optima.) Willd. Sp- PI. ii. p . 658. (exclus. synon. Tourn$.) Lam. Enoycl. vi. p . 700. Persoon Synop. i. p . 489. Steven de Saxij':Cauc. in Mem. Mosq. iv. p . 78.

S. reticulata. Sternb. Sax$ p . 21. t . 13. S. paradoxa. ejusd. p . 22. t . 14?

Habitat in Oriente. a. (v. s. in Herb. Banks. et Lamb.)

PZantu annua. Radix gracilis, fibrosa. Caules erectiusculi, ramosi, flexuosi, lseviusculi, basi decumbentes, foliosi. Folia radicalia rotundata, Iongk petiolata, basi nunquam cordata, gross& sequalitbr dentata : dentibus magnis ovatis, acutis, utrinque glabra, lucida, venis nigrescentibus reticulata ; caulina cuneata, petiolata, basi acuta, apice acutb 5-loba ; Aoralia subopposita, lanceolata, acuta, integerrima, vix petiolata. Petioli graciles, filiformes, p a r d glandulosi. Peclunculi longissimi, capillares, uni- fiori, cal ycesque pilis brevissimis glandulosis levithr adspersi. Lacinia caljwina brevk ovatse, acutae, obscurb trinerves. Petalu ovalia, sessilia, aurea, calyce duplb longiora, triplinervia : nervis simplicibus rectiusculis.

370 Mr. D. DON’S Morzograph of the Genus Sasijiraga.

26. S. cymbalaria, foliis inferioribus reniformibus longissimk petiolatis obtusissimi: 5-lobis ; summis trilobis indivisisve, laciniis calycinis oblongis obtusis, petalis ovatis acutis : nervis ramosis.

S. cymbalaria. Linn. Sp. PI. 579. Smith Prod. Fl. Grm. i. p . 277. Fl. G r m . Icon. ined. 378.

S. hederacea. Mnrsch. (2 Bieberst. Fl. Tour. C a w . i. p . 317. (exclus. synon.)

S. exigua foliis cymbalariae. BZL& Cent . ii. p . 40. t. 45.

Geum orientale’rotundifolium supinum;flore aureo. Touvnef. Cor. 18.

.Habitat in Oriente (Tournejort, Bzcsbaum), in Parnasso, Delphi, aliisque Crzci;e montibus (Sibthorp). 0 . (v. s. in Herb. Banks.)

f, 2 . (mala.)

Plarita annua, debilis. Rudix tenuissin-k fi brosa. Cazrles numerosi, foliosi, gracillimi, ramosissimi, flexuosi, flaccidi, pilis glanduliferis lwissim& adspersi. Folia inferiora longissimi: petiolata (petiolis capillaribus), reniformia, subpeltdtd, leviter 5-loba : lobis rotundatis, utrinque glaberrima, supra nitida et venis tenuissimis reticulata ; summa hrevb pedtiolata, triloha v. indivisa. Pedi- cell; longissimi, capillares, oppositifnlii, uniflori, calycesque lzeviusculi. F1ore.s parvi, aurei. L a c i n k c a b - cis oblongze, obtus2, reflex=, conspicuk trinerves. P e - tala ovata, acuta, trinervia (nervis ramosis flexuosis), basi rotundata, brevissimb unguiculata, bipuncbta.

87. S . hederacea, foliis inferioribus acutk trilobis ; summis ovatis integris, laciniis calycinis ovatis acutis, petalis subrotundis unguiculat.is.

S. hede-

Mr. D. DON'S Monograph of the Gems Suoifraga. 371

S. hederacea. Linii. Sp. YE. ,579. RZZd. S'. PI. ii. p . 65s. Persoon Syzop. i. p . 489. Smith Pro&. PE. Grm. i. p . 278. FZ. Grec. Icon. izetl. 379.

S. cretica ;innua minima, hederaceo folio. Townef. COT-. 18. Habitat in Crett' (?'ournefor.t), in rupibus humidis urnbrosis

CretE et Cypri (Sibthorp). 0 . (v. s. in Herb. Banks.)

PZunta exigua, annua. rLadix capillaceo-fibrosa. CnuEes plures, filiformes, flaccidi, ramosissimi, pilis brevissimis glanduliferis levitkr adspersi. FoZia inferiora subovata, brevilis petiolata, triloba : lobis b r e d ovatis, acutis, utrinque glaberrima, nitida, venis tenuissimis reticulata ; summa integra, ovata, acuta. PediceEli elongati, capillares, uniflori, par& glandulosi. FZores parvi, albi. Lucinia calycince erectae, b r e d ovatce, acutze, trinerkes. Petaka subrotunda, unguiculata, trinervia : nervis ramosis, Aexu- osis. CapsuZa semi-infera.

Much confusion has hitherto prevailed respecting the three preceding species. Sir James Edward Smith appears to be the only botanist who has examined, or even understood, the S. cym- bularia and hederacea of Linnaeus ; the characters of these he has very considerably amended in his admirable Prodromus FZora Grceca. The S. orientalis of Jacquin and Willdenow, given by him as a synonym of S. cymbalaria, is a very distinct plant. All three have a general affinity together ; but their characters are abundantly distinct. The above descriptions of S. cymbalaria and hederacea were taken from authentic specimens preserved in the Banksian Herbarium, and were collected by the late Dr. Sib- thorp during his travels in Greece*.

* Specimens of SaxifTaga hederacea, gathered lately in Crete by Dr. Sieber of Prague, are now in the Lambetian Herbarium.

5. FoZiis

37% Mr. D. DON’S Monograph of the Genus Saxfraga.

5. Foliis indiuisis.

28. S. Hirculus, folils lanceolatis obtusis nudis, laciniis calycinis lanceolatis obtusis, petalis spathulatis multinervibus.

S. Hirculus. Linn. Sp. PI. 576. FZ. Dan. t . 200. Buds. Angl. 181. Hofm. Germ. 144. Roth. Germ. i. 184. ii. 468. With. Brit. 404. Willl. Sp. PI. ii. p . 649. Lam. Encycl. vi. p . 686. Engl. Bot. t . 1009. (optima.) Persoon Synop. i. p . 489. Sternb. Saxif. p. 29.


S. flava. S . foliis caulinis lanceolatis alternis nudis inermibus, caule

Gmelin Sib. iv. p . 165.

HaZE. HeZu. 399. t . 8.

Lam. FZ. Franc. iii. p . 529.

erecto. t . 65. f. 3. (bona.)

Linn. Suec. ii. n. 370.

S. petah latissimis luteis lineatis. Sedum palustre nardi celticze foliis, flore luteo. Moris.

Sedum angustifolium autumnale, flore luteo guttato. Ibid.

Geum angustifolium autumnale, flore luteo guttato. Dill.

Chammistus frisicus, foliis nardi celticze. Bauh. Pin. 466. Charnzecistus frisicus. Ger. Em. 1284. p . caule pedali multifloro, pedunculis villosissimis. Habitat ct in Suecia, Helveti=, Lapponiae, Sibirize, Ger-

manize et A n g h paludibus turfosis ; /3 in Sibiriii orientali (Merk). y . (a v. Y. c. @ v. s in Herb. Pallae. nunc Lamb.)

Planta caespitosa, pulchra, la&-virens, glabra, surculosa. Radix fibris longis nigris composita. Surculi numerosi, foliosi, procumbentes, glaberrimi. Caules erecti, 4-6- unciales rarissimk pedales, foliosi, glabri, pauci rarihs

multiflori.

Hist, iii. p . 477. 4 12. t . 8. f. 5.

f. 6.

in Raii Synop. 355.

multiflori. Folia alterna, lanceolata, obtusa, integerrima, utrinque glabra, basi in petiolum angustata. Pedunculi Iongi, stricti, uniflori, viIIis fuscis glutinosis confertk tecti. FZores magni, speciosi, aurei. Lacinia caZzJcina lanceolatae, obtusz, ciliatae, conspicuk 5-nerves : nervis simplicibus, marginalibus parallelis, approximatis, rnedio a caeteris remoto. Petula spathulata, aurea, multinervia, apice retusa, punctis croceis instructa, basi brevissimk unguiculata, intus ad basin IacunA oblong$ nectarifera ex rim$ bivalvi apicibus acutis munita : , nervis rectis, simplicihus, basi junctis. Filaments lutea. A n t h e m croceiE.

29. S. nzyosotifolia, flagellis nullis, foliis ovatis acutis muticis setosis, caule nudiusculo trifloro, laciniis calycinis latk ovatis, petalis subrotundis unguiculatis.

Habitat in SibiriA. Pallas. y . (v. s. in Herb. Pallas. nunc

Planta patens, cacspitosa. Radix lignosa fibris numerosis instructa. Surculi brevissimi, erecti, conferti. Cuules subnudi, erecti, biunciales, fragiles, 2-3-flori, pilis setosis undique obsiti. Folin conferta, patentia, ovata, acuta, mutica, pilis setosis ad marginem ciliata et utrinque adspersa, basi in petiolum brevem angustata. Pe- dunculi elongati, uniflori, calycesque pilis glanduliferis crebrt! tecti. Flores ochroleuci. L a c i n k ca lp i s latk- ovatae, acutii, muticz. Petula subrotunda, unguiculata, 5-nervia ; nervis simplicibus. Pilamenta compressa, lutescentia, longitudine petalorum. Anthere flavze. Styli breves, crassi.

Lamb.)

30. S. jagellaris, flagellis axillaribus capillaribus, foliis obovato- spathulatis aristatis cartilagineo-ciliatis, laciniis calyci-

V O L . X I I I . 3 c nis

nis lanceolatis, petalis obovatis sessilibus, caule folioss l-3-floro.

S. flagellaris. Storlab. Suxy. p. 25. t . 6. (mediia.) Steven de Saxif. Cauc. in Mem. Mosq. iv. p . 79. Marsch. d Bieberst. Suppl. Fl. Tuzrr. Caw. p . 291.

S. setigera. S. aspera. Marsch. d Rieberst. FI. Tuur. Catic. i. p . 314.

(exclus. synon.) ffabitcct in alpibus Caucasicis ( Admzs), ad Caput Nemnham

dictum ad oras occidentales Arnericae borealis (David Nelson), in TnsulA Melville dica in sinu maris Groen- landici, Baffin’s Bay Anglici: dicto (Sabine, Fisher).

Pursh Amer. Septent. i. p . 312.

y * (V’ s.)

PZaiita czspitosa, RageIlifera. FZageZZi e axillis foliorum enati, longissimi, capillares, nudi, patentes, ad apices corn$ p a r d foliatk instructi. CauZes erecti, sjmplicissinii, sesqui- bi-pollicaresve, foliosi, l-S-flori, pilis glandulosis instructi. Folia radicalia, conferta, patentia, impetiolata, spathulata, utrinque nuda, margine spinulis cartilagineis ciliata, apice calloso-aristata ; caulina alterna, obovata. PediceZZi brevissimi, uniflori, calycesque pube b dutinosk tecti. Ffores aurei magnitudine S. Hirculi. La- cinie caZzJcim lanceolatze, acritae, extus setoste. PetaZa sessilia, obovata, multinervia : nervis parallelis apice di- chotomis.

This singular species was first discovered by Mr. David Nel- son, in Captain Cook‘s third voyage, at Cape Newnham on the north-west coast of America, from whence the specimens in the Banksian Herbarium were brought. &It has since been found on the Caucasian alps ; and in the late polar expedition it has been observed in great plenty on the newly-discovered island named

MeIvilIe

lVr. D. DON’S Monograph of the Gems SaxiJ*aga. 375

Melville Island. For specimens from thence I am indebted to the kindness of Joseph Sabine, Esq. Pursh is wrong in stating the flowers to be small and white. The S. myosotijolia, which agrees with it in general habit, has numerous erect, short and leafy shoots. Leaves ovate, somewhat acute, awnless, ciliated, and slightly clothed on both sides with stiff bristly hairs. The stem is almost leafless. Peduncles long, erect. The lacinice of the calyx short, triangular-ovate. Petals round, cream-coloured, furnished with a claw, and five straight, simple nerves, The flowers are smaller, and the pIant is wholly destitute of the naked filiform sarmentu so remarkable in S, $ngeEZrris,

31, S. aixoides, foliis linearibus mucronatis glabris spinuloso- ciliatis, laciniis calycinis latk ovatis, petalis lanceolato- oblongis trinervibus.

S. aizoides. Linn. Sp. PE. 576. With. Brit. 404. Smith Brit. ii. p . 453. Lam. En- cycl. vi. p . 687. Lam. et B e c u d . Fl. Franc. iv. p , 377. Wahlenb. Lapp. p . 115, ejusd. Carpath. 117.

S. autumnalis. Linn. Sp. PI. 575. Huh. Aizgl. 180. Milla Dict. n. 10. FZ. Dan. t . 72. Lightf. Scot. i. p . 222. Scop. C a m . i. 293. t . 14.

S. foliis linearibus sparsis glabris. Fl. Szrec. 357. 371. S. foliis subulatis sparsis. S. foliorum margine ciliari, floribus luteis maculosis. Hull.

S , angustifolia autumnalis, flore luteo guttato, foliis florum

1s. alpina angustifolia, Aore luteo guttato. Xuii Synop. 353. Sedum alpinum, flore pallido. Bazih. Pin. 984. ii.roi*is,

I h t . iii. 11. 477. s. 19. t . 6. f. 3. 3 c r ? Sediim

Engl. Bot. t . 39. (optima.) Sternb. SuL$. p . 25; t. 8. f. 1,


FZ. Lapp. 178.

IIelv. 399.

magis acuminatis. Breyn. Cent. 106. t. 45.

376 Mv. 1). DON’S Monograph of the Genus Saxsifragn.

Sedum minus I V . Clus. Hist. ii. p . 60. Sedum alpinum primum. Clus. Pa9an. 485. Ger. Em. 516. I-labitat in alpium Helvetize, Lapponize, Styriae, Anglise

et Scotiae rupibus et petrosis humidis copiosissimb. 2. 7v. v. sp.)

Plunta virens, in caespitibus planis vegetans. Radix fibrosa. Surculi numerosi, procumbentes, densk foliosi. Caules erecti 2- rarihs 3-pollicares, foliosi, teretes, multiflori, pube viscid& tecti. Folia alterna, linearia, patentia, utrinque glaberrima, lucida, apice cartilagineo-mucronata margine spinuloso-ciliata. Pedunculi breves, uni- fiori, pube glutinosk vestiti, in aestivatione decurvati. FZores subracemosi, flavi. Lacinie calycine latb ovatze, obtusae, margine membran% tenui szepihs ad apicem parhm laceratii cinctae. Petaln patentia, lanceolato-oblonga, calycern superantia, puhctis croceis instructa, triplinervia : nervis simplicibus rectis.

I have followed Wahlenberg in uniting the S. aixoides and autumnalis of Linnzus. The Lapland and Swedish plant differs in no respect from ours, and the leaves are but rarely naked at their margins. We sometimes meet however with such in seed- ling plants and others before the flowering season.

32. S. bronchialis, foliis confertis lineari-subulatis triquetris mucronatis spinulis cartilagineis ciliatis, laciniis calycinis ovatis, petalis oblongis, caule oligophyllo rnultifloro.

S. bronchialis. Linn. Sp. PI. 572. Willd. Sp. PI. ii. p . 644. Lam. Encycl. vi. p . 679.

S . foliis imbricatis subulatis ciliatis spinosis, caule subnudo multifloro.

p . lenensis, Gmel . Sib. iv. p . 164. t . 65. f. 2. (bona.)

-Mr. W. DON'S Monograph of tke Genus Saa.ijrnga. 377

p. Zenensis, surculis brevioribus, foliis longioribus patentibus long& mucronatis, paniculii majore patente fastigiatti.

Habitat a in Sibirid (Gmelin), in Sibirih orientali ( M e r k ) , ad oras occidentales Americz borealis (Nelson) ; 6 ad flu- men Sibiricum Lenam (Billings). .+. (v. s. in Ilerb. Banks. et Lamb.)

Ylmzta suffrutescens. I L a d i ~ lignosa, ramosa, fibris pluribus longis instructa. Szircztli plures, erecti, lignosi, ramosi, crebrk foliosi, basi rudimentis folioriim emarcidorum tecti. Caules digitales rarihs palmares, flexuosi, rigidi, fragiles, oligophylli, glabri. Folk crebra, imbricata, lineari-subulata, triquetra, rigida, glabra, margine spinulis cartilagineis albis ciliata, apice mucrone calloso instructa ; caulina pauca, parva, adpressa, linearia, longe-mucronata versus apicem caulis sensim minora. Paniculu parva, multiflora. Pedicelli dichotomi caly cesque levissimb glandulosi. k'1oi.e.Y parvi, ocliroleuci. Lacinire calycis breves, latb ovatz, mucronu1at.a: Pet& oblonga, sessilia, punctis numerosis minutis croceis instructa, conspicuh triplinervia : nervis simplicibus. I;i'lnrnentn gracilia, lutea. Anthem croceze.

33. S . tenella, foliis confertis lineari-subulatis planis pungentibus ciliatis, caule gracili oligophyllo pmcifloro, laciniis calycinis lineari-lanceolatis, petalis obovatis.

S. tenella. TYdfeiz in Jacq . Collect. iii. y. 144. t . 17. ( l o n a . ) TYiilld. Sp. Pi. ii. p . 64.3. Per- soon Synvp, i . p. 488.

L a m . Encycf . vi. p . 678. S t e r d . Isusif. p . 30.

S. nitida. <justl. 4. 10. J: 4'! Hubitat in Carinthiz alpibus. RLIJi.?i. 3 .

PIcrntn suffrutescens ? cwspitosa. Ii(xiir fibrosa. Siirciili nurnermi,

378 &Ir. D. DON’S Monograph o f the Genus SaxiJraga.

numerosi, basi decumbentes et rudimentis foliorum emarcidorum tecti. Cautes plures, erecti, sesqui- v. bi-unciales, gracillimi, laeves, oligophylli, pauciflori. Pdia conferta, imbricata, Jineari-subulata, saturatb viridia, supra, plana, subths carinata, utrinque glabra, nitida, apice spinulii cor- nea aciculari terniinata, margine ciliata ; caulina adperssa, sparsk remota, parva, plana, aristnta. f ’edu~~culi terni, longi, capillares, uniflori, ferk in racemulum dispositi, calycesque pilis brevissimis glanduliferis levitkr suppediti. L a c i n k cabcis lineari-lanceolatze, aristata:. Petala ob-

” ovata, alba, immaculata, calycem superantia, obscurtt triplinervia. Filarncntu gracilia, alba. A ntherce flaw.

Praecedenti afinis ; sed tripltl minor et gracilior, atque notis indicatis diversa. 5’. nitirla Clariss. Sternbergi vix ullo dubio huic pertinet, figura ejus quz ad siccam facta est omninb mala, et hinc colorem luteum floribus attribuet.

34. S. brachypoda, foliis linearibus planis pungentibus trinervibus margine spinulosis, flore terminali solitario brevk- pedunculato, petalis obovatis.

Habitat in Nepali= alpibus. IYaZlicJz. 3 . (v. s. in Herb. Lamb.)

Radix fibrosa. Caules plures, adscendentes, simplicissimi, foliosi, pilis setosis undique tecti. Folk alterna, linearia, plana, glabra, trinervia, suprB nitida, subths glaiica, apice spinulii aciculari terminata, margine spinulis armata, basi subamplexicaulia. FZos aureus, terminalis, solitarius, brevk-pedunculatus, magnitudine 8. asperce. Calyx et pedunculus pilis setosis patentibus glanduliferis confertb obsiti : lacini.de ovatae, mucronatae, conspicub trinerves,

margine

Aust. v. p . 44. t. app. 31. (boira.) hI2l. I)ict. n. 14. Willd. Is'. PI. ii. p . 649. Lupeyr. Uyren. Suxjf. y. 36. Lam. vi. p . 678. Yersoon S'izop. i. y . 489. Sternb.

S. fohis simplicibus ciliatis, caule ramoso. Hull. Helv. 403. S. sedi foliis creiiatis asperis. Scheuch. It. ii. p . 140. t . 20.

Sedurn alpinum, foliis crenatis asperis. Baztlt. Pin. 284.

Sedum alpinum hispidum ferb spinosum, flore pallido. Moris. Hist. iii. p . 479. s. 12.

I'urlc. Tlieat.

susij: p . 29.

j: s.

Prod. 132.

Baerh. €list. iii. y . 695.

Gem. Fusc. xxii. t.. 6. f. 27. (bene.)

t . 10. j : 25. Sedum minimuni alpinum villosum alterum.

Habitat in alpibus Helveticis et Pyrenaicis. 3 . (v. v. c . ) 738.

Planta czesia, hispida, surculosa. Szircdi elongati, decumbentes, gemmiferi, villosi, rigidi, rubescentes, dens6 foliosi. Cuules erecti, rigidi, fragiles, 2-3-unciaIes, ramosi, rubescentes, pauciflori, pilis brevibus hispidulosi. FuZia lineari-lanceolata, plana, utrinque nuda, striata, apice mucrone corneo instructa, margine spinulis ciliata. Pedunculi longiusculi, rigidi, subuniflori, calycesque pilis glanduliferis levitbr instructi. FZores magni, lactei. La- cinie culycince late ovatze, mucronatz, &nerves, extus rugow : marginibus membranaceis nudis. Petaln obovata, triplinervia : nervis ramosis flexuosis. Fitanienta lutea, A?it?iem aurez.

S. hisp'dula, carilibus filifbrmibus hispidis, foliis ovatis mucronatis setosis utrinque unidentatis, Aore terminali sub- sesdi, calycibus setosis,

Habitat

&Ir. D, DON'S IlIonograyh of the Gems Sazifraga. 381

Habitat in Nepaliae alpibus. lVullich. Y . (v. s. in Herb. Lamb.)

PZuntu tenella. Caules plures, sesqui- vel bi-unciales, simplicissimi, graciles, filiformes, adscendentes, pilis setosis patentibus undique dens& tecti. F d i a alterna, sessilia, ovata, mucronata, hispida, margine dente parvo aristato utroque instriicta. Fjos luteus, terminalis, solitarius, brevissimb pedicellatus, in aestivatione nutans. CaZp setis glanduliferis hispidus : Zacinie triangulari-ovatE, aristatce. Pet ulu parva, suborbiculata, triplinervia : nervis simplicibus rectis. Staminn pistillis longiora ; fiZumenta gracilia, flava ; anthem intensb croceze. Styl i apice incurvi.

38. S. bryoides, rosiilis globosis, foliis imbricatis subulatis mucronatis ciliatis, laciniis calycinis ovatis obtusis, petalis oblongis, caule oligophyllo unifloro.

Jacp. Misc. ii. p . 49. t . 5 . f. 1. (optima.) Scop. Carn. n . 497. t . 15. Willd. Sp. PI. ii. p . 643. Lapeyr. Pyren. Sax$. p . 35. L a m . Encycl. vi. p , 678.

S . foliis lanceolatis ciliatis compactis, caule unifloro. Hall. Helv. 969.

S. pyrenaica minima lutea musco similis. Tournef. Inst . 253. Sedum muscosum. Bnuh. Hist . iii. p.695. Scheuch. Alp. 142.

Sedum alpinum quartum. Col. Ecphr. ii. p . 66. t . 67.

Habitat in Austriae, Helvetiz, Pyrenaic. alpibus. Y . (v. s. in Herb. Banks. et Lamb.)

PZunta dens& caespitosa, rosulata. Radix sublignosa fibris phibus instructa. , Rosule foliorum confertae, globosz,

VOL. X I I I . 3 D czesize.

S. bryoides. Linn. Sp. PI. 572.

Persoon Synop. i. p . 488.

t . 21, f. 2.

f. 1. 2.

caesize. Caiiles plures, erecti, sesqui- v. bi-unciales, rigidi, uniflori, foliis aliquot minimis adpressis et pilis glanduliferis instructi. Folia dens& imbricata, lineari-subulata, subtriangularia, carinata, glabra, suprh concaviuscula, margine ciliis cartilagineis armata : apicibus incurvis mucrone calloso terminatis. Flos ochroleucus magnitudine S. aspere. CuZyx levitkr glandulosus : l ac ink ovatz, obtusiE, 5-nerves. Petaln oblonga punctis aureis adspersa, trinervia : nervis parallelis simplicibus. FiZu- mentca gracilia. Anthem crocea.

39. S. cherlerioides, rosulis globosis, foliis densk imbricatis spathulatis mucronatis ciliatis, laciniis calycinis semi-ovatis obtusis, petalis obovatis, caule filiformi multifloro.

S. bryoides 1 Pallas. Ms. Hubitat in rupibus Kamtschatkae. D. Merk. IC . (v. s. in

Herb. Fallas. nunc Lamb.)

Planta in caespitibus planis et Iatis vegetans. Rosulce foliorum confertze, parvae, globosze. Caukes adscendentes, bipollicares, filiformes, graciles, 4-5-flori, foliis paucis minimis ovatis adpressis ciliatis et glandulia sparsh instructi. Folia creberrimb imbricata, obovato-spathulata, sup& concava, subths convexa, margine ciliata : apicibus inflexis mucronatis. Flores corymbosi, ochroleuci, praxedente multb minores. Pedicelli elongati, capillares, uniflori, calycesque glandulis minutis adspersis. Lucirrice cuZycim semi-ovatae, obtusae. Petala obovata, calyce dupli) longiora, trinervia : nervis simplicihus rectiusculis.

Praxedenti quodammodo accedens, tamen characteres inclicati speciem esse distinctissimam monstrant.

Sectio

Sectio 4.

40. S . hierucifolia, foliis petiolatis ellipticis acutis repando-dentatis glabris, pedicellis aggregatis unifloris in spicam dis- positis, petalis lanceolatis acutis.

Wuldst. e t K i t . Rung. i. p . 17. t . 18. (op- t ima.) TVilld. Sp. P I . ii. p . 64.1. L n m . Encycl. vi. p . 674. Geners. Catal. Scepus. n . 229. TYuRleisb.. Curpath. 119. Persoon Synop. i. p . 487.

S. hieracifolia.

S. nivalis v. racemosa. S. rotundifolia. Habilat in alpibus Carpathicis. 3 . (v. s. in Herb. Banks.)

Radix fibris longissimis crassiusculis simplicibus instructa. ITolia petiolata, patentia, elliptica, acuta, repando-dentata, dentibus remotis mucronulatis, utrinque glabra, pilis articulatis ciliata. Petioli dilatati, nervosi, margine membranacei. Scapus erectus, palmaris pedalisve, simplicissimus, teres, pilis articulatis glanduliferis undiyue tectus. Pedicelli elongati, uniflori, in fasciculis 4-6-floris aggre- gati, et per spicam elongatam digesti : fasciculis inferioribus remotis ; supremis approximatis. Bractece lanceolatae, obtusae, ad basin cujusdam fasciculi sit= et pedicellorum longitudine . Calyces pedicellique pilis brevi bus glandulosis tecti : laciniae breves, triangulari-ova&, acutze. Petala ovato-lanceolata, acuta, calyce breviora et angustiora, colore spadiceo-ferrugineo vel lurido. Pila- meiita brevissima. Anthem flammeE. SlyZi brevissimi, recurvati.

Tororis. I t . 11uiig. p . 498. Z. 15. Geners. Elerich. Scep. 11. 372.

There is a single specimen of this plant in the Banksian Her- barium from Jacquin, and sent by him under the name of S. ni- ualis, a plant with which the Austrian botanists confounded it.

S U 2 This

384 .MY. D. DON'S Monograph of the Genus Sazifragx.

This plant has never, I believe, been introduced into our gardens ; the Sasijraga pensylvanica p. being often kept under the name.

41. S. perzsylvanica, foliis impetiolatis lanceolatis sinuato-denticulatis utrinque pilosissimis, scapo ramoso, Aoribus co- rymboso-capitatis, petalis linearibus calyce longioribus.

Linn. Sp. PI. 571. (exclus. synon. PZu- ken.) Mill. Dict. n. 8 . WiZZd. Sp. PI. ii. p . 640. (ex-, clus. synon. Plukenetii.) Lam. Encycl. vi. p . 674. Per- soon Synop. i. p . 487. Hort. Keu . iii. p . 65. Pursh Amer. Septent. i. p . 311.

S. foliis radicalibus denticulatis, caule subnudo piloso ramoso, floribus confertis capitatis.

S. noveboracensis. Cokl. N o m 6 . 105. S . pensylvanica, floribus muscosis racemosis.

p. minor, foliis lmioribus. Hrrbitat DC in Noveboracensis et Virgink pratis humidis :

0 in hortis colitur. Y . (v. v. c.)

S. pensylvanica.

Gron. Virg. 49.

Dill. Elth. 337. t . 253. f. 328. (bonn.)

Rudis fibris longissimis crassis simplicibus instructa. Pdia numerosa, impetiolata, latb lanceolata, acuta, sinuato- denticulata, utrinque pilis articulatis tecta, ssepihs pal- maria, basi angustata. Scapus erectus, sesqui- v. bi-pedalis, teres, paniculatim ramosus, pilis articulatis patentibus viscidis undique dens& tectus. Rami alterni divisi; inferiores remoti; superiores approximato-conferti. FZores yedicellati, in corymbis densis semiglobosis dispositi. PedicelZi elongati, uniflori, calycesque pilis glanduliferis densissimk obsiti. Lacinz'e cctlycis ovatae, acutiusculse, obscurk trinerves. PetaZa linearia, obtusa, uninervia, squalido-alba, calyce duplb longiora.

42. S. semi-

Mr. D. DON'S Ilifonograph o f the Genus Sasfraga. 385

42. S. semipubescens, foliis impetiolatis oblongo-ovalibus obtusis glaberrimis denticulatis, scapo ramoso, floribus .coryp- boso-capitatis, petalis ovalibus calycem subssquantibus.

S. semipubescens. Micranthes semipubescens.

S . marilandica. Hortor . Habitat in AmericA boreali? y . (v. v. c.)

Sweet. Hort. Suburb. 97. Hamorth Synop. Succut. ap-

pend. 321.

Radix fibris longissimis simplicibus crassis instructa. FoEia impetiolata, patentia, oblongo-ovalia, obtusa, crassius- cula, avenia, suprj nitida, margine denticulata. Scapus erectus, pedalis et ultra, ramosus, pilis ar t idat is glanduliferis levitbr tectus. Rami alterni ; inferiores remoti, divisi ; superiores simplices, conferti. Flores pedicellati in corymbis densis semiglobosis dispositi. Pedicelli elon- b oati, uniflori, calycesque pilis glanduliferis instructi. La- ciizia calycine triangulari-ovatae, acutae, sub microscopum trinerves. Petala ovalia, obscuri: trinervia, flavida, calycem subEquantia.

This plant has been cultivated for many years in our gardens under the name of S. murilundica ; hence it is supposed to be native of North America, which is very probable, from its affinity with 5'. pensylvanica. I cannot however find it mentioned in any of the books which treat of the plants of that country; and it does not appear to have been even taken up by any one, until Mr. Haworth, the author of MisceEZanea Nc.turnlin and Synopsis OJ' Srtcculent Plants, noticed it in his appendix to the latter work. No doubt can be entertained of its being suffi- ciently distinct from S. pe?isyluanica, to which it is nearest allied. It is distinguished from it by its oblong-oval, obtuse, and quite smooth leaves, the margins of which are simply denticulated,

not

not sinuated as in S.yeiisyluanica ; by the sten1,being much less hairy ; and lastly, by its oval petals, about equal the length of the calyx.

43. S. uirginieiisis, foliis ovatis acutis dentatis petiolatis, petalis ovalibus : nervis ramosis, scapo paniculatim ramoso.

S. virginiensis. &lick Anier. Wor. i. p. 269. Lam. Encycl. vi. p . 675.

S. pilosa. Herb. Banks. S. vernalis. Willd. Hort. Berol. p . 43. t . 4s. ujusd. Enum.

p . 459. Stertib. Sas$ p. 8. S. elongata. ujtisd. p. 9. t. 4. S. foliis cordatis ovalibus crenatis, corolk alba, caule hir-

suto aphyllo. Gron. Virg. 160. Sanicula virginiana alba, folio oblong0 mucronato. Pluk.

Alm. 331. t . 39. f. 1. et t . 222. f. 5. Habitat in Virginiae, Carolina: et Novae-Anglie montibus,

inque Canada. Y. (v. v. c. et s. sp.)

Plunta pulchella, subczespitosa. Folia patentia, petiolata, ovata, acuta, dentata, utrinque pilis adspersa. Scapus erectus, palmaris, paniculatim rainosus, pilis mollibus glanduliferis undique tectus, rar ih foliis 1-2 munitus. Raini alterni, recti ; inferiores elongati ; .omnes subzequa- les. ' FZores parvi, albi. Pedicelli numerosi, graciles, uniflori, pube viscidti suppediti. J,acini& cdycirice breves, ovatz, obsoletb 5-nerves : nervis ramosis. Petala ovalia calyce longiora, trinervia : nervis flexuosis, ramosis.

This plant appears to hold the same place among American vegetation as the S. niuulis amidst European. This latter plant is not, I am of opinion, to be found in America. I am therefore inclined to think Pursh's jiivcrlis belongs to the present spe-

cies ;

Yursh Arner. Sept. i. p. 310.

Mr. D, DON’S Monograph of the Gcntrs S(izift.nga. 387

cies; and what convinces me of their being the same is, that there are several specimens in his Canadian Herbarium (now in Mr. Lambert’s possession) of S. virginiensis under the name of S. nivnlis.

44. S. nivdis, foliis subrotundo-obovatis nndulato-crenatis subsessilibus, scapo simplici, floribus congesto-capitatis, petalis subrotundis unguiculatis : nervis simplicibus.

Linn. Sp. PI. 573. (exclus. synon. Gron. Virg,) Huds. Angl. 180. Lightf. Scot. i. p. 221. cum$g. (malu.) Willd. Sp. PI. ii. p. 645. With. Brit. 403. Lam. Encycl. vi. p. 683. Smith Bri t . ii. p. 449. Engl. Bot. t . 440. (bona.) Persoon Synop. i. p. 488. Siernb. Saxif. p . 12. Wahdenb. Lapp . 113.

S. foliis subovatis crenatis, caule nudo, floribus capitatis. Linn. Siiec. 354. 368.

S . caule nudo simplici, foliis elliptico-subrotundis crenatis, foribus capitatis. Linn. Suec. 176. t . 2. f. 5 . 6. (mala.)

S . foliis oblongo-rotundis dentatis, Aoribus compactis. Raii Angl. iii. p. 354. t . 16. f. 1 .

Sempervivum minus dentatum. M a r t . Spitzb. 43. t . F. f. A. Sedum 111. Habitat in summis alpibus Lapponiz, Scotiae, Spitzbergens.

S. nivalis.

Oed. D a n . tc. 28. (pessirna.)

et Anglie borealis. x . (v. v. sp.)

Plmta subczespitosa. Folia subrotundo-obovata, undulato- crenata, subsessilia, supri glabra, subths villosa, humi patentia. Scapus erectus, %uncialis, simplex, vilhs viscidis confertk tectus. Flores congest& capitati, bracteati. Bmctece lanceolatae, .acutae, ciliate. Pedicelli breves calycesque pube viscid$ obsiti. Lacinie calyciu triangulares obscure trinerves. Petrt fa subrotunda, unguiculata, tri-

plinervia :

388 Mr. D. DON’S il!Ionograph of the Genus Sax.if.raga.

plinervia : nervis sirnplicibus, primhm candida demhm rubescentia, calycem excedentia. Filamenta brevissima, alba posted rubescentia.

45. S . longiscaya, foliis ovatis serratis long& petiolatis, thyrso

Pallas 3 . (v. s. in Herb. Pallas. nunc ovato, laciniis calycinis ovatis acutis.

Lamb . ) Hahitnt in SibiriA.

Radiz fibrosa. Folia ovata, subacuta, serrata, long& petiolata, plana, utrinque hirsuta. Scapus erectus, palmaris, filiformis, teres, simplicissimus, pilis patentibus glanduliferis dens& tectus. Hores thyrsoidei : thyrso ovato, denso. YediceEli brevissimi, calycesque puhe brevi vestiti. Laciuicz calycine ovatz, acutse, obscurk trinerves. Petala parva, ovata, alba, vix ealyce longiora. Fila- menta brevissima, alba. Anthsrce lute=.

Primedenti arctb affinis, sed satis diversa videtur : foliis ovatis planis serratis long& petiolatis, scapo dupli, longiore, floribus thyrsoideis, petalis ovatis.

46. S. daviirica, folk cuneiformibus long& petiolatis basi atte- nuatis apice gross& inciso-dentatis, Aoribus lax&-paniculatis, petalis ellipticis acutis.

S. davurica. Lam. Encycl. vi. p . 684. Sternb. Sax$ p . 13.

S. punctata. Habitat in summis alpibus Davuriae prope limitem nivis per-


Pall. It. iii. app. n. 91. t . P. f. 9. (bona.) Persoon Synop. i. p . 488.

petua. Pallus. Y . (v. s. in Herb. Pallas. nunc Lamb.)

PZanta dens& czespitosa. Radix fibrosa. Folia cuneiformia, long& petiolata, utrinque pubescentia, basi attenuata, integerrima, apice gross& acutkque inciso-dentata. PetioZi

lineares,

Mr, D. DON’S Monograph of the Genus Saxifraga. 389

lineares, plani, basi latb dilatati. Scapi erecti, digitales rarihs palmares, ramosi, pilis glanduliferis parck obsiti. PZores lax& paniculati. ’ Pedicelli dichotomi calycesque pube glutinosb tecti. Lacinie calycim triangulari-ovak, acutae. Petala elliptica, acuta, trinervia, alba, basi punctis binis flavis minutis munita.

There are many fine specimens of this very distinct and little known plant in the Herbarium of the celebrated Pallas, in the possession of A. B. Lambert, Esq. Some botanists have supposed this plant to be nearly allied to S . cuneifolia ; and a slight variety of this is cultivated in the gardens under the name.

47. S . pyroZi$olia, foliis ovalibus coriaceis petiolatis glabris nitidis crenatis, floribus paniculatis, petalis linearibus.

Habitat in Kamtschatk% (Merk), in insul% orae occiden- talk America? borealis Unalaska dict% (David Nelson). Y . (v. s. in Herb, Banks. et Pallas. nunc Lamb.)

Species distinctissima. Pyrolam refert. Radix lignosa, patens, fusca, fibris instructa, supernk rudimentis foliorum emarcidorum tecta. FoZia ovalia, coriacea, petiolata, utrinque glabra, supra. nitida, reticulata, margine crehata. Petioli breves, dilatati, margine membranacei, ciliati. Scapzcs adscendens, 5-pollicaris, pilis glanduliferis levitkr adspersus. FZores coarctato-paniculati, parvi, albi. Pedi- celli multiflori calycesque pube brevi glutinos% obsiti. Lacinie c u l j c i m brevissimae, obtusse. Petata linearia, calyce longiora. Filamenta pallida. Anthem flame. Styli recti.

V O L . X I I I . Sectio

48, S. Cott$erlon, foliis planis spathillatis cartilagineo-serratis, calycibus dens6 glandulosis : laciniis lineari-lanceolatis, petalis ohlongo-spatliulatis.

S. Cotyledon. Linlz. Sp. PI. 570. .El. Dun. t . 241. (optima.) Oiaaus I t . Island. p . 433. IViihLee?zb. Lapp. p. 111. (exclus. synon. W U . )

S. pyramidalis Lapegr. Pyven. Sux$ p . 32. Slerrzb. S&f. p . 2. t. 2.

S. pyramidata. S . foliis lingulatis radicalibus margine cartilagineo acutk

serratis, floribus paniculatis. S . foliis radicalibus in orbem positis : serraturis cartilagineis.

Linn. Lapp. 177. d . 9 . f. 2. S . foliorum or& cartilagineii, caule triplicato ramoso, petalis

immaculatis. HaZl. Helv. n. 977. S. sedi folio flore albo maltiflora. Sedum serratum, i-lore albo, multiflorum. Dod. Penzpt. 113.

Habitat in alpibus Lapponite, Norvegiae, Islandk, Nel-

Persoon Syriops. i. p. 489. Mill. nict. n. 4.

Linw. Suec. 356. 366.

Toumef. Inst. 252.

Robert. Icon. 91.

vet&, Pyrenteorum. Y . (v. v. c.)

QZanta dens& caesgitosa. CauZes erecti, pedales, pyramidato-ramosissimi, multiflori, foliosi, pilis glanduliferis confertissimk tecti. Folia radicalia in rosulis lath expansis, plana, spathulata, utrinque glabra, s u p & lucida, apice rotundata, mucronata, margine acutk argenteo- serrata ; caulina brevia, cuneiformia, patentia. Pedun- c d i multiflori, racemosi, cernui. Flora magni, campanulati, candidi. Calyces pedicellique pilis glanduliferis

dens&

MT. D. DON'S Monograph of the Genus Sa,rifiaga. 391

dens& obtecti : lacink linearihxeoIakz, obtuse. Petala oblongo-spathulata, impunctata, conspicue triptinervia : nervis simplicibus.

49. S. li~gukuta, foliis lineari-lingulatis canalidatis tuberculato-crenatis, calycibus dens& glandulosis : laciniis semi- ovatis obtusis, petalis ovalibus.

S. lingulata. Bellurdi in Act. Tnur. v. p. 22G. ejusd. App. ad Fl. Pedem. p. 20.

S. Cotyledon. WiEkd. Sp. PI. ii. p. 638. Lam. Encycl. vi. p . 670. Scop. Cam. ed. ii. 14.4891

S. longifolia. Lapeyr. Pyren. &'ax$ p . 26. t . 11. Persoon Synop. i. p. 487. Lam. et Decund. FL Franc. iv. p . 359, ejud. Synop. p . 317.

S. mantana pyramidata, folio longiore. Toumef. Inst. 253. p . media, foliis brevioribus, cade supemb paniculato. S. longifolia ,G. media. Cotyledon minor. Sedum sesratum alterurn, foliis longis angustis. Raii Hist. ji.

Sanicula montana crenata, folio longiom, pedi&€o folioso.

7. wastata, quadrqdd ~mhm ; fahiis aqgustissimis margine

S. longifolia y. minor. 8. crustah. Vest. Mm. Bat. p.6!%. Hoppe Bot.'Tasoh. 1805.

p. 237. t . 1. Bot. Bi&l. 1805. p . 42.. e.d 369. a c k s . Hort.

8. subnaoza, faballifar~s ; cmliculis sirnplicibus. Lapeyr. loc. cit.

Hubitat o in summis dpihus IP'yrenmrum et 'Hditrehiz, in alpibus maritimis aliisque locis aipinis Montregdensi-

3 E Z bu4 ;

&fiU. Dict. n. 2.

Sternb. Sax$ p . i. t. 1. a. (bonn.) Hort. Eystet. Ord. v. y l . 10. J: 1.

p . 1w. n. 1.

Pluken. Phyt. t . 282. f. 1,

insigniter crustaiceo-porosis, paniml% gauciflor%, Sterd. .Z. c. $. 8 . *&.

sioc. fasc. I.

692 Mi.. D. DON'S Monograph of the Gems Saxifragn.

bus; /3 in Carniolae et Carinthize alpibus, etiam in montibus Pontebanis ; y in alpibus Helveticis, Carniolicis, Ca- rinthiacis et Pyrenaeorum ; B in summis Pyrenaeorum. y . (a et y v. s ; @ v. v. c.)

Planta densk caespitosa. Caules erecti, sesquipedales, Aexu- osi, A basi pyramidato-ramosissimi, foliosi, pilis glanduliferis confertissimb tecti. Folia radicalia in rosulis late expansis, lineari-lingulata, longissima, rigida, glauca, ntrinque glabra, suprA canaliculata, subtbs obtusb carinata, basi ciliata, apice recurvata, margine crustaceo- porosa et tuberculato-crenata ; caulina linearia, obtusa, recta, tuberculato-crenata, apice recurvata. PeduncuZi longi, patentes, multiflori, calycesque pube brevi glan- dulos% ferrugined dens& ohsiti. Flora p h i . Lacink calycince breves, semi-ovata:, obtusissimse. Petczla ovalia, alba, conspicub triplinervia (nervis simplicibus), punctis numerosis roseis instructa.

50. S . Aixoon, fo lk brevibus cuneatis argenteo-serratis, floribus eorymbosis, ealycibus glabris : laciniis acutis, petalis

i suborbiculatis. Murr. Syrt. ed, 14. p . 411. Jacg. Austr, v.

t . 438. (bona.) WiZZd. Sp. PZ. ii. p . 639. (exclus. synon. Fl.. Lapp. et Seguier. Ver.) Lapeyr. Pyren. Saxif. p . 33. Lam. Encycl. vi. p . 672. (exclus. FZ. Lapp. et Seguier. Ver.) Persoon Synop. i. p . 487. Hort, Kew. ed. 2 . 3 . p . 65. Xternb. Saxif. p . 3. t . 3. f. a. (media.) (excIus. synon. Willd. Hort. Bero2. Lapeyr. Pyren. p . 33. t . 15. nec non Linn. Suec. et Lapp. et Seguier. Veron.) Wahlenb. Carpath. p . 116.

S. Aizoon. '

S. paniculata. S, foliorum or& cartilagine&, serratii, petiolis paucifloris,

petalis

Mill. Dict. n. S.

Mr. D. DON'S Monograph of the Genus Saxifrnga. 393

petalis punctatis. Vur. p . foljis brcvioribus et latioribus, Hall. fIeZu. 978.

Totmxf. Inst. 252. S. foliis subrotundis serratis. Cotyledon minor, foliis subrotundis serratis. Baiih. Pin. 985.

Sedum montanum roseum, serratum, foliis rubrotundis. B w -

Sedum serratum album bicorne, breviore folio, marginibus Moris. Hist. s. 12. t . 9. J: 19.

Cotyledon minus, sedi folio, montanum. Lob. Ado. p . 165. @. retusa, duplb minor ; foliis bsevioribus retusis. S. Aizoon p . minor brevifolia. Steriib. Zoc. cit. t . 3. f. @. Habitat in Austriae, Helvetiz, Carpathi= et Pyrenaeorum

alpibus. Y . (v. v. c. a et p. ) Planta in caespitibus latis et plank dens& vegetans. Caules

erecti, firmi, simplices, &--S-unciales, foliosi, nitidi, pilis glanduliferis levithr adspersi. FoZiu radicalia in rosulis conferta et conniventia, cuneiformia, plana, glauca, margine argenteo-serrata, basi ciliata ; caulina obovata, mu- cronulata, ciliato-serrata, subadpressa. FZores corymbosi, sequenti majores, pulcherrimi. Pedunculi elongati, subbiflori, glabriusculi. CaZyx glaberrimus : lacinise brevh- triangulari-ovatae, acutae. Petala suborbiculata, oculis armatis trinervia (nervis ramosiusculis), lactea, punctis roseis minutis instructa. Filamentu brevia, compressa. Styli brevissimi.

Prod. 133.

rel . Icon. t . 1310.

argenteis.

Raii €l iv t . p . 1046. n. 5.

51. S. intacta, foliis linearibus acutis strictis argutb argenteo- serratis, calycibus parcb glandulosis : laciniis obtusis, petalis ovalibus.

Willd. Hort. Berol. ii. p . 75. t . 75. (bona.) ejusd. Enicrn. p . 459.

S. recta.

S. intacta.

S. recta. S. Cotyledon. Marsch. 2 Bieberst. Fl. Taur. C a w . i. 11. 313.

S I Aizoon. Steven de Saxif. Cauc. in Mem. fifo$q. iv. p . 74.

S. cartilaginea. L

S. foliorum or& cartilagineA, serrath, petiolis pahcifloris, petalis punctatis. Var. a.

S. sedi folio angustiore, serrato. Xournef. I k t . 252, Se- a w i e r . ver. 448. t . 9. f . 1.

Sedum serratum album bicorne, longiore folio, rnarginibus argenteis. Moris. Hist. s. 12. t . 9. f. HI.

Sedum serratum. J . Bauh. Hist. iii. 689. Aizoum serratum. Habitat in alpibus Tyrolensibus, Pyrenaicis et Caucasicis.

Lqie j r . Pyren. Smrif. p . 33. t . 15. (optima.)

(exclus. synon.)

(exclus. synon . ) S t e r d . Sasif. p . 5. t. 3. c .

Hall. Heh. 978.

VaZ. Cord. Hist. yl. 92.

3 . (Y. v. c . )

PZunta in cmpitibus conicis densis vegetans. CauZes erecti, palmares v. pedales, precedenti rigidiores, foliosi, pilis glanduliferis confertk tecti. Folia radicalia in rosulis aggregata, stricta, linearia, acuta, plana, glauca, utrinque glabra, argutk argenteo-serrata, basi ciliata ; cau‘lina spa- thulakd, subadpressa, ciliato-semulata. Flures racemosi. Pedicelli subbiflori, incurvi, precedmte breviores, pilis gjarrduliferis crebrk tecti. Culjp pi’lis raris adspersus : laciniae ovatz, obtusE. J’etaln ovalia, obscure. trinervia (nervis simplicibus rectiusculis), .lactea, punt?th minutis roseis raris instructa. FiZatnenta compressa. Styli hre- vissimi.

Linnzus confounded the three preceding species under S. Co- tykedoic, a name which I have preferred retaining to the plant described by him in Flora Lapponka and Flora Suecica, and of

which

which there is a good figure in Flora Danica. They affbrd abundant characters to keep them distinct, and these inarks a l ~ p remain constant in cultivation, and when re-produced from seed. The S. CotyZedon is reniotely distinct from all of them.

5%. S. rnututa, foliis planis spathulatis cartilag.inoo-crEtnatis ci- liatisque, calycibus denst glandulosis : laciniis latk-ovatis acutis, petalis lineari-lanceolatis acuminatis.

S. mutata. Linn. Sp. PI. 570. Jacq. Icon. Rar. 3 . t . 466. (optima,) ejusd. Collect. i. p. 284. C w t . &lug. 351. Willd. Sp. PI. ii. p. 640. Lapeyr. P?yen. Saxif, p . 31. Lam. Encycl. vi. p. 672. Persoon Synop. i . p . 487. Hort. Kew. ed. 2.3. p . 65.

S. foliorurn or$. cartilaginea rarissimb dentat$, petalis inacu- losis.

S. foliorum limbo cartilagineo integro, spica long$, floribus purpureo-croceis. Hall. Neb. edit . prior. s'egu. T 7 w . iii. p . 199. Burs. XVI. 98.

Geum alpinum majus viscosum, foliis oblongo-rotundis, atro-rubentibus et croceis floribus. Scheiicir. I t . ii. p. 124.

Habitat in alpibus Helvetire, Carniolze, Italin. et Pyrenile- orum. X . (v. s. in Herb. Baraks. et Lamb.)

Sternb. Sadf. p . 6.

Hall. Helv. 979. t . 16.

Species distinctissim. Plan ta dens& czespitosa. Caules erecti, palmares v. pedales, foliosi, pilis patentibus glanduliferis confertissimk tecti. Folia radicalia in rosulis lat& expansis, sgathulata, plana, utrinque glabra, margine cartilagineo-crenata, d l i s longis nun-rerosis pzdtentibus fhbriata ; caulina obovata, basi ciliata, apice cartila- gheo-crenata, Flores panicirlati. Pediinculi calycesque pube molli ferrugineh glutinosh dens& tecti. Lueinice CCL-

Zycince ]at&-triangulari-ovatae, acutte, obsoletk nervosze* Petala

Sg6 Mr. D. DON'S Monograph of the Getitis Saxvraga.

PetaZa lineari-lanceolata, acuminata, trinervia, crocea, maculis saturatioribus instructa. Filamenta crocea. An- them fulvae.

53. S. media, foliis radicalibus aggregatis lingulatis integerrimis ; margine cartilagineo supra, punctato, petalis obtusis calyee brevioribus. Smith Prod. FL Grax. i. p . 076.

S. media. Goitan Illust. 27. Poiret in Lam. Encycl. vi. p . 675. t . 372. f. 6. Fl. Grac. Icon. Ined. 376, Sternb. Sarif. p . 6.

S . calyciflora. Lapeyr. Pyren. &'ax$ p . 28. t . 12. (optima.) Persoon Synops. i. p . 487.

S. cacsia. Linn, Mantiss, 382. nec Sp. PI. ex Smithio loc. c i t . S . alpina parva, sedi folio, non serrata. Mich. Plunt. Rom.

et Neap. 72. 704. Habitat in Pyrenzorum rupibus calcareis (Gouan, La Pey-

rouse), in Olympi Bithyni cacumine (Sibthorp). Y . (v. s. in Herb. Banks.)

Plurtta in cespitibus conicis vegetans. Caules erecti, digitales, simplices, rigidi, villis tortuosis ferrugineis viscidis denst: tecti. Folia radicalia in rosulis aggregata, imbricata, lingulata, mucronata, rigida, glauca, utrinque glabra, sypriZ plana, punctata, subths convexa, subcarinata, margine integerrima, cartilaginea, nuda, basi ciliata ; caulina cuneata glanduloso-pilosa. Flores racemosi, bracteati. PerZicelZi breves, unitlori, calycesque villis viscidis dens& obsiti. Catyces campanulati : laciniae brevb-triangulari-ovatie, acutae, rectae, conniventes. PetaIa parva, obovata, atro-purpurea, cum genitalibus ihtra calycem inclusa.

54, s. L a -

Mr. D. DON’S &lonograph of the Genus Suxifruga. 397

54. S. Lapeyrousii, foliis radicalibus aggregatis lingulatis integerrimis : margine cartilagineo, floribus paniculatis, petalis obovatis integerrimis conniventibus calyce longi- onbus.

s. hko-purpurea. .hpeyr . Pyren. sax$. p . 29. t . 14. Lam. Encycl. vi. p . 675. Persoon Synop. i. 487. Sternb. Saxif.

Habitat in Pyrenaeorum rupibus calcareis. La Peyrouse. 2 . PeduncuZi calycesque pube purpure4 viscid& densissimb

vestiti. OBS. Species prorshs mihi incognita nisi ex figurk et de-

scriptione Clariss. Lapeyrouse, a quibus characterem supr$ scriptum desumpsi, verb praxedenti admodhm affinis est ; sed floribus paniculatis et petalis citrinis calyce longioribus videtur differe. Forsan hybrida inter S. medium et sequentem.

p . 7.

55. S. aretioides, foliis aggregatis lineari-lingulatis strictis mucronulatis carinatis glaucis cartilagineoAmarginatis, caule glutinoso-tomentoso, petalis lineari-spathulatis apice cre- nulat i s .

Lam. En- cycl. vi. p . 676. Perioon Synon. i. p . 487. Sternb. S u x f .

S. pyrenaica lutea minima, sedi foliis densissimk congestis. Tournef. Inst. 853.

Habitcit in rupibus calcareis Pyrenaeorum (La Peyrouse), in Helvetice alpibus Badges dictis (Prof. Stromeyer). 3 . (v. s. in Herbar. Ventenat, nunc in Museo Lesser- tiano .)

Planta dens& caespitosa. Radices lignosze. Rosuh semiunciales, confertae, ad bases foliis emarcidis undique

V O L . X I I K . Q F dens6

S. aretioides. Lapeyr. Pyren. Sm$. p . 28. t. 13.

p. 7.

398 M r . D. DoN's .Mloiiograph of i h e Genus Suxfrnga.

dens& 'imbricatz. Caules erecti, sesquiunciales, teretes, foliisque caulinis lingulato-linearibus obtusis tomento glutinoso tecti. FoZia aggregatlm imbriczta, lineari-lingu- lab, stricta, obsoleti: mucronulafa, glauco-viridia, subtbs obtus2: carinata, suprB punctis remotis paucis juxta margines perforata, basi ciliato-denticulata : oris cartilagineis. Flores terni, aurei. Pedicelli calycesque pube glutinos& dens& instructi ; lateralibus medium superantibus. Cabcis laciniiz brevb ovatae, acutze, carnos%e. Pe- tala lineari-spathulata, triplinervia, apice emarginata et creniilata : nervis strictis ; lateralibus bifurcis. Stamina inEqualia pistillis breviora ; Jilamenta pallid& lutea ; an- t h e m aurex.

OBS. Duabus pracedentibus affinis, at notis indicatis et plant& multi, minore distinctissima est.

56. S. burseriana, foliis aggregatis subulatis pungentibus laxi- bus glaucis, caule subunifloro, laciniis calycinis ovatis, petalis subrotundis or= crispatis : nervis ramosis.

S. burseriana. Linn. Sp. PI. p . 57q. l/l/ulfen in Jacq. ~ ! i s c . i. p . 152. t . 17. f. 3 . (optima.) WilM. Sp. PE. ii. p . 642. Lam. Encycl. vi. p . 677. Persoon Synops. i. p.488. Sternb. Sax$ p . 33. t . 10. f. 1.

S. foliis glaucis acutis monanthis, caule folioso. Segu. Ver. iii.

Sedum alpinum, saxifragae albze fiore. Bazih. Pin. 284.

Sedum montanum minimum, caryophylli folio, lacteo Aore.

Sedum alpinum quartum. p. caule subbifloro. Y. Vandelli, foliis ciliatis, mule snbquadrifioro.

p . 201. t. 5 . f. 2.

Burs. XVI. 6.

Raii Hist. ii. p. 1041. n. 8. Col. Ecphr. ii. p . 66. f. 4.

Sternb. Zoc. cit . t. 10. p.

S. bur-

iVr. D. DON'S iUonograpl4 o f tlie Gems Saxfraga. 399

S. burseriana, p. Jacp. Misc. i. p . 153. p 677.

S. Vandelli. Sternb. Saxif. p . 34. t . 10. f. 3. S. burseriana. L a p e p . Pywz. Saxif. p . 35. S. foliis compactis plicatis pungentibus, caule viscid0 pau-

S. f o l k aggregatis subulatis layibus, caule subnudo multi-

Sedum minimum Syriacum, luteolo flore saxifrag= albze. Lobel. Obs. p . 204. Icon.

Moris. Hist. iii.

Ilubitcit a ifi Taurero Radstattiensi (Hoppe), in alpibus Carinthia et CarniolE (IYuVen, Hohenwart, Vest), in montibus Lessinensibus (Seguier), Tridentinis (Ray) . In monte Grappa prope Bassanum in Italiii superiori ipse legi. Sternb. loc. cit.

Lam. E n c p l . vi. Persoon Synop. i. p . 488.

cifloro. I l d . Helv. 983. Act. Helv. vi. p . 10.

floro.

J . Bauh. €list. iii. p . 696. PI. 376.

Vandelli It. Ined. f. 2.. (ex Sternb. 1. c.)

Docl. Pempt. p . 132. n, 3. y. 476. s. 12. t . 8. j: 1.

F. in alpe vicina Ytoi Clagenfurtii. Vest. y. in monte Couza non procul a Lario Lacu (Vandelli), in

Helvetize alpibus (Schleicher, Sternb. loc. cit.) 3 . (v. Y.

a in Herb. Banks.) Planta denst: caespitosa. Radix lignosa, fibris numerosis

'instructa. Stirculi erecti, brevissimi, basi rudimentis foliorum emarcidorum tecti, apice rosulati. Caules plures, erecti, bipollicares, oligophylli, uniflori, pilis glanduliferis brevibus tecti. Folia aggregata, subulata, triquetra, mucronatiL, glabra, rigida, glauca ; caulina pauca, inultG minora, adpressa. FZos magnus, pulcherrimus. Calyx pube glandulosii obsitus ; Zacinia latk ovatz, acutae, conspicuk nervosze. Petala lat& subrotunda, lactea, triplinervia, nervis ramosissimis flexuosis Aavescentibus lineata : or% crispat&.

3 r 2 57. S. 1.e-

402 M r . D . DON’S Monogriiph of the Gcnus Sasiji*aga.

59. S. biJora, caule subtrifloro, foliis planis spathulatis laxis, petalis lineari-oblongis, gcnitalibus coroll& longioribus.

.La- peyr. Q r e n . SnsiJ’. p . 3‘1. t. 17. (optima.) Lcrm. et Decand. Pl. Franc. iv . p . 365. Pcrsoon Synops. i. p . 488. Sternb. Sax$. p . 37. Holienuart e t Reiizcr. I t . i . y. 138. t . 2 . f . 2. ( e s Sternb.)

S . oppositifolia, @. Willd. Sp. Pl. ii. p . 648. Lam. Eizcycl. vi. p . 685.

S . f o b imbricatis ovatis, caulibus reptantibus bifloris. Hall. Helv. 981.

Habitat in Pyrenzorum et Helvctiz alpibus. Y . (v. s.)

013s. Summoperk quidem affinis est S. opposiiifolicr, sed plant& rnajore et laxiore, et notis constantibus in defini- tionibus expressis satis distincta.

S. biflora. Allion. Pedem. 1530. t. 21. f. 1. (bona.)

60. S. ccesia, foliis lineari-oblongis aggregatis cretaceo-glaucis insignitkr recurvatis carinatis, petalis rotundatis unguiculatis, caule oligophyllo multifloro.

S. caesia. Linn. Sp. PI. 571. Jacq. Aust. t . 374. Scop. Carn. ed. ii. 495. t . 15, cycl. vi. p. 676. Lam. et Decand. FI. Franc. iv. p . 363. Persoon Spzops. i. p. 407. Sterizb. sax$ p . 34.

Willd. Sp. PI. ii. y. 641. Lum. En- ’

S. recurvifolia. S. foliis crassis duris recurvis subtds sulcatis, basi ciliatis.

S, alpina minima, foliis cesiis deorshm re,curvis. Segu.

Sedum alpinum album, foliolis compactis. h u h . Pin. 284.

Sedum alpinum minimum, foliis cinercis, flore candido.

Sedi

Lnpeyr. Pyren. Sax$ p. 30.

I-lall. Helu. 982.

Veron. 449. t. 9; j: 2. (bona.)

Moris. Hist. iii. s. 12. t . 7. f. 32.

Schcuch. Alp. 49. 141. t. 21. f. 1.

Mr. Y. DON’S Moiiograph of the Genus Susijraga. 403

Sedi species minima. @. rnujor, caule robustiore et altiore valdk villoso. Habitat OL in alpibus Helveticis, Austriacis, Pyrenaicis, Baldo; p in LusitaniA (Gage) . 3 . (v. v, c, ets. sp. ; v. s.

Gesn. fasc . 244. t . 11. f. 30.

in Herb. Banks.)

Radia lignosa, ramosa. Surculi erecti, brevissimi, rigidissimi, caespitem planuin et valdb compactum formant. CaziZes plures, erecti, Z--S-pollicares, tenuitkr filiformes, rigidi, fragiles, oligophylli, multiflori, glabriusculi, fucati. FuZicc radicalia aggregata, imbricata, lineari-oblonga, obtusa,-glabra, rigida, cretaceo-glauca, sulnths carinata, supr$ convexa, foraminibus numerosis minutis perforata, basi angustata, ciliata, medio insignitkr recurvata : sub- stantiti fraiigibili crustaceti ; cauliiza pauca, sparsa, parva, squamaeformia, adpressa. B o r e s lactei in paniculam parvam dispositi. Pedicetli in Estivatione decurvati, pos- tremb erecti, calycesque pilis brevissimis glanduliferis parci: suppediti. Lacinia calyciiz~ breves, latk ovak , obtusissimae, obsoletk trinerves, margine inembranaceze. Petala rotundata, triplinervia (nervis lateralibus rainosis), basi unguiculata : limbo orbic’ulato, retuso, patenti. Ge- nitalia corollh breviora.

61. S.

S.

S.

diapensioides, foliis liiiearibus strictis carinatis aggregato- imbricatis cretaceo-glaucis, caule polyphyllo paucifloro dens& glanduloso-piloso, laciniis calycinis -elliptico-oblongis. diapensioides. BeMardi Ac t . h a d . Taw. v. p . 227. e jusd . Append. ad FZ. Pedena. p . 21. t . 3. Sternb. Saxif. p . 35.

cmia, 6. t . 9. (mala.)

Lam. E n c y l . vi. p . 676. Ha bit a 1

.Habitat in alpibus Pedemontanis et Helveticis. 2 . (v. s. in Herb. Lessertiano specim. in cacumine Cenis montis lecta.)

PZanta densissimk cmpitosa. Rndiz lignosa. Surculi lignosi, semiunciales, erecti, conferti, creberrimk foliosi. Caules erecti, teretes, polyphylli, 2- rarissimk 3-pollicares, pilis patentibus glanduliferis undique dens& tecti. Folia surculina linearia, obtusa, stricta, cretaceo-glauca, undique arct& aggregato-imbricata, glabra, subths obtush carinata, margine cartilaginea, basi ciliata, apice punctis 1-2 perforata ; caulina linearia, obtusa, dens& glanduloso-pilosa, recta, sensim parhm latiora. FLores 3-4 vel 5 in capitulum terminalem, campanulati, candidi, S. ccesid majores. PediceZZi breves calycesque pilis patentibus glanduliferis conferti. Cabcis Zacink elliptico- oblongze, obtusze. Y e t a l u basi angustata (unguiculata) : limbo patente, orbiculato, 5-nervi. Stamina pistilla sub- Zquantia ; j lavzenta lutea ; arithercz aureiE.

OBS. Habitu omnind S. c&&, A qu% tamen abundk discrepat: foliis strictis, caule polyphyllo densk piloso paucifloro, Aoribus majoribus, laciniis calycinis elliptico-oblongis.

62, S. fimbriata, rosulis sphzericis, foliis appressk imbricatis or- hiculato-obovatis : marginibus membranaceis ciliisque longis fimbriatis, pedunculo solitario nudo unifloro.

Habitat in Capite Newnham dicto ad oras occidentales Arne- rice borealis. David Nelson. y . (v. s. in Herb. Banks.)

Planta canescens cwpites planos patentes efficiens. Rosulce confertissimae sphaericae. Foolia appressi: imbricata, obovata, trinervia, utrinque glabra, punctis pellucidis fe- nestrata, inths concava, exths convexa, apice orbiculata,

margine

nBr. D. DON’S Monograph of the Genus Saxifi.aga. 405

margine membrang scariosk et ciliis longis cuspidatis inflexis fimbriata. Peduiaculus solitarius, uncialis, uniflorus, nudus. CaZp obconicus : lacinie brevk ovatz,, obtusae, margine ciliatze. Petala mihi ignota.

63. S. serpyllifolia, virens ; surculis repentibus, foliis ovatis obtusis petiolatis denudatis, caule filiformi oligophyllo unifloro, petalis orbiculatis : ncrvis ramosis.

S. serpyllifolia. .Habitat in capite Newnham dicto, ad oras occidentales

AmericE septentrionalis. David Nelson. 1 1 . (v. s. in Herb. Banks,)

Piirsh Arner. Septent. i. p. 310.

Species distinctissima. Plmtta virens, patens, caespitosa. Surculi ramosi, repentes, rigidi, dens& foliosi. Caitlev plures, filiformes, graciles, erecti, 2-3-unciales, paucifolii, uniflori, rubescentes, fucati, glandulis brevissimis levitbr sparsi. Eblia conferta, ovata, obtusa, petiolata, plana, recurvato-patentia, integerrima, utrinque glabra, viridia, nitida, impunctata : caulina linearia, obtusa, multb minora. Flos terminalis, magnus, aureus ? C a l p nitidus parck glandulosus : laciniae breves, latte, obtusac. Petalu orbiculata, b r e d unguiculata, triplinervia : nervis ramosis, rectiusculis. Filumenta brevia, lutescentia ? Anthem flavae ? Styli brevissimi.

64, S. pnmassifolia, caule erecto folioso 3-4-flor0, foliis corda-

Wullich. 2. (v. s. in Herb. tis amplexicaulibus glabris, petalis obovatis 5-nervih~ts.

Lamb.) Habitat in Nepali= alpibus.

Species ab omnibus longk diversa, plantam minorern Par- . nassia pnlustris ni: parhm refert. Caules plures, erecti,

VOL. X I I I . 3 G tripol-

406; M r . D. DON’S Monograph of the Genus Saxijiraga.

tripollicares, teretes, glabri, rigidi, folirssi, 3-4-flori, -J’olia altema, sessilia, cordab, amplexicaulia, obtusa, utrinque glabra, subths- nervosa, margine ghndulis levitbr ciliata. Pedunmli. breves, uniflori, * calycesque glandulis levitkr instructi. Flores lactei. Lacinice calycinte triangulari-ovatse, mueronate, trinerves. PetaEa obovata, 5-nervia (nervis simplicibtis!rcctiusculis), bdsi angustata. Anthere croeeae.

65. S. androsacea, foliis radicalibus confertis ellipticis obtusis pilosis integerrimis tridentatisve, laciniis calycinis obtusissimis, petalis spathulatis, caule nudiusculo subbifloro.

S. androsacea. L‘inn. Sp. PI. 571. Gerard. Fl. Gall. Prov. -423. WiEld. Sp. .PE. ii. p. 641. Lain. ‘Encycl. Ti. p. 674. ejjusd. sF1. Franc. iii. p. 525. Ldm. t t Decand. TI. ’Frtinc. iv. p. 367. Persoon’lSynops. i.

- p . 487. @&nb.‘Stwif.*p. 4%. t:l-l. f. a. :I/thh.Eenb. Car- path. 116.

?j., pyrermaica. ‘Scop. C d m . e&t. 2:as. S . 2 foliis h5rsutis ellipticis et ’ tridentatis, mule paucifloro.

S. alpina, Androsaces villa* habitu. Hall. Comm. Nor.

&durn alphum tertiurn. Col.%cphr:ii. p. 66 et 67. f. ul-

Habitat in Helveti%, AustriA, CarniolA. Y . (v. v. c.)

Planta ‘densissimb caespitosa habitu omninb Androsnces. Ra- dix fibrosa. Caules erecti 2- rarihs 3-pollicares, nudiusculi, subbiflori, pilis glanduliferis articulatis patientibus tecti, saepihs foliis 1-2 muniti. Folia radicalia conferta, elliptica, abtusa, integra, tarihs tridentata, utrinque pilis articulatis instruck, bai in petidurn angustata,

subtits

Jacq. dust, iv. t . 389.

Hall. Helv. 984.

1736. t . 1. f. 3.

tima.

Ibid. I t . Helv. n. 69. p . 292. t . 2.

subtiis conspicub nervosa. Pedicelli brevissimi calyces - que pube viscidf suppediti, C u l p obturbinatus : laciniz ovatze, obtusissimE, nervos:x. Petnlu spathulata, can- tlida, triplinervia (nervis simplicibus, strictis), calyce ferk tripl; longiora. Filumenta brevia, lutea. diitherce flavze.

66. S. spnthidutn, geminifera ; surculis crebri: foliosis, foliis integerrimis spathulatis fimbriatis, laciniis calycis ovato- oblongis obtusis, petalis obovatis, caule nudiusculo subbifloro.

Lam. Eiicycl. vi. p . 692. Persoon Spop . i. p . 489. Sternh.

Dcsfontaitzes. IC . (v. s. in Herb. Lessertiano specim. A Clariss. Desfon- t a in e s c om mi 1 n ic a t a. )

I’laiztn. dens& czspitosa: Srwculi plures, breves, procumbentes, creberrimi: foliosi, foliis emarcidis ad eorum bases persistentibus. Caziles erecti, teretes, capillares, 1--2+pollicares, nudiusculi, pilis brevissiwis rari$ adspersi, 1-3-pluri-Aori & flosculis laterallbus szpihs abor- tientibus (caule unifloro) ferb semper orti. FoZia parva, spathulata, integerrima, fimbriata : lamin4 orbiculata, basi in petiolum brevissimum angastatii ; nonnulla trifida lobis acutiusculis necnon vidi. Pedicelli calycesque pube brevissirn& par& suppediti, Lacinia caZycince ovato-oblongze, obtusze. Petala obovata, triplinervia, lactea, calyce longiora. Genitalia petalis breviora, Sta- mina inzequalia ; Jfiluineritn lutescentia ; antl iere aurez.

O S S . Facie S. gfobulijwe, sed ab e$ satis distincta. Forsin ad ultimam sectionem melihs relata esset.

67. s. SC-

S. spathulata. Desyf’. A t l n n t . ii. p . 342. t . 96. f. (3.

snxzy. p . 58. I lab i ta t in Atlantis cacuniine prope Relide.

n c 3

BIr. I.). Dox's Alonogrnpli of the Gerrt~s Sn3ifraga. 409

trinervia, rnargine glandulis ciliata. Pedtriiciili elongati, capillares, uniflori, terminales, glandulis minutis adspersi. I.'lores minimi, lutescenles. Iminicp c ~ l y c i m ovatir, ob- tusiusculz, trinerves. I'etcrh parva, linearia, inucronu- lata, calycern vix excedentia, trinervia : nervis parallelis simplici bus. Filmnen t (L brevissima, lutea. A 7) fhercr flavte.

The present species is readily distinguished by its sIcnder habit and numerous ascending leafy stems, of' a beautiful green, which are furnished with a few thin and scattered, short, glandular hairs ; by its long, slender, capillary peduncles ; arid lastly, by its small, linear, pointed petals, scarcely exceeding the length of the calyx. I regret having been obliged to differ so widely in opinion from the Count de Sternberg, who certainly has not studied the present species with due care, as is evident from his description and figures, both of which are miserably defective in point of botanical accuracy. The following species, S. tenera, is distinguished froni this, to which it is nearly related, by its much more tufted habit ; by its obtuse leaves, which, together with. the stems, are thickly clothed with glandular hairs ; by the oblong lacink of its calyx ; and in having the flowers double the size, with obovate, retuse petals, nearly twice the length of the calyx, In the figures of 5'. sedioides given by Sternberg, the petals are erroneously exhibited as obovate ; and were it not for the habit, which is clearly that of S. sedioides, I should certainly have been inclined to refer them to the following species. The figure given by him under the name of S. Hohenwartii shows the flowers much more correctly. The variety @ I have not seen : it therefore rests wholly on the authority of Sternberg, who states the petals. and anthers to be of a purplish colour. 'I'he varieties I have, marked agree with S. serlioicles in every essential point ; but liow far they are to be regarded as permanent varieties T lm-e nat had: opportunities of determining.

68. 5'. ie-

410 M r . D. DON’S Monograph oj’tthe Geraus Sasifraga.

68. S. tenera, surcuhs brevibus crebrb foliosis, foliis lineari- oblongis obtusis caulibvsque glandulaso-pi1r)sis, laciniis cidycinis oblongo- ovatis, petalis obovatis retysis calycem superantibus.

S. tenera. Sut. Fl. Helv. i. p . 245. VilI. DelpA. iii. p. 666. Sternb. Saxif. p . 28. t . 9. j : 4.

S. planifolia. Lupeyr. Pywn. $a$$. p. 3 L . Lqm. Encyd. vi. ‘p. 677. Sternb. Saz$ p . 88. t . 7. f. 3 . (mala.)

S. muscoides. Allion. Ped. 1528. t . 61. f. 2. (exclus. sy- now)

S . foliis mollibus ellipticis subhirsutis, caule pauciflsro. Hall. Helv. n. 985.

S. al?ina pallid& lutea, foliis latiusculis non incisis, radice crass$.

Sedum alpinum, tertio simile alterum. Colurn. ii. p . 66. et 67. f. ad tiextram.

&&at in alpibus Helveticis, Pedemontanis, Pyrenaeorum, et in Monte Cenisio. V . (v. s. specim. quae Clariss. ICunth mihi benevolk dedit.)

Lam. et Decand. FI. Franc. iv. p. 367.

Mich. PI. Rom. et Neapol. 829.

Herba densissimb czespitosa. Surculi brevissimi szepihs tamen unciales aut ultra, creberrimb foliosi, ad basin foliis emarcidis aggregato-imbricatis. Caules capillares, 1-2- pollicares, erecti, simplicissimi, 1-3-flori, pilis glanduliferis brevibus undique dens& tecti. Foia radicalia et surculina lineari-oblonga, obtusa, conferta, mollia, utrinque pilis brevibus glanduliferis tecta ; caulina ovali-oblonga, in cEteris, radicalihus similia. FZores ochrolepci S. sedioidi dupM majores. Calyces obconici, dens& glanduloso-tornentosi : lacink oblongo-ovatac, obtusac. Pe- tala obovata, retusa, calycem f e d duplb excedentia,

tripli-

Mr. I>. DON'S Monograph of the Genus Susifruga. 411

triplinervia : nervis simplicibus ; lateralibus incurvis ; 1 &edio recto. Stamina sub-aqualia ; JiZamenta lutescen-

tia ; anthera atwee. Styli graciles, recti, stamina sub- aequantes.

OBS. A S . sedioide facik distinguitur : foliis cauleque dens& b olandutloso-pilosis, petalis o bqvatis retusis ~ l y c e m duplh excedentibus.

Ah examinatioh of specimens of the S. tenera of Suter, and of the S.pZani$oZia of La Peyrouse, prove that they are the same; not even varieties: I have therefore preferred that of Suter as being the less objectionable name.

Q. FoZiis 5-3-partitis petiolatis.

69. S. geranioides, foliis reniformi bus 3-5-1obo-pa1rnatis pubescentibus long&-petiolatis : segmentis cuneatis inciso- dentatis, paniculA coarctati multiflorh., laciniis calycinis lineari-lanceolatis obtusis, petalis oblongis planis.

S. geranioides. Linn. Sp. PI. 578. .Amm. Acad. iv.-p. 271. W i l d . Sp. PE. ii. p. 652. (exclus. synon. G m d . Sib.) La- petjr. Pyren. Sasif. p . 66. t . 43. (bona.) Lam. Encycl. vi. p . 691. Lam. e t Decand. Fl. Franc. iv.,p. 372. Persoon Synop. i. p . 489. Sternb. Sax$. y. 49.

..

Hart . Kew. iii. p . 70.

S. quinquefida. Lam. Franc. iii. p. 533. S . foliis radicalibus palmato-quinquelobis trifidis ; laterali-

bus coalescentibus ; rameis subulatis, 1acinSis calycinis dilatatis. Gouari Illust. 28. t . 18. f. 2.

S. pyrenaica, tridactylites 'latifolia. Ribitat inPyrenais. y . (v. v. c . )

Ptm&a. dens& caspitosa. f i d i z sublignosa, ratdinrentis f o b -orurn emarcidorurn mprh dens& instructa, Swouli breves,

conferti,

Tournej'. Imt. 253.

conferti, rigidi, erecti, rubescentes. Coules erecti, palmares, rigidi, rubri, pilis glanduliferis undique instructi. Folk radicdia long& petiolata, erecta, 3-~-lobo-palmatd, cucullata, utrinque pube brevi dens% valdk glutinosd dens& obsita : lobi cuneati, inciso-dentati : dentibus magnis obtusis ; cazdiria pauca sessilia inferiors digit& ; superiora indivisa : segmentis lanceolatis. Petioli semiteretes, pilis viscidis suppediti. Yuniculu coarctata, multiflora. Bractea lanceolatat, integrae, obtusze. FZores mmpanulati, candidi. CaZyces ut et pedicelli pube glutinosh omninb tecti : lacinise lineari-lanceolatze, trinerves, apice reflex=, obtusz . I’etukt oblonga, triplinervia : nervis simplicibus, strictis. Stcimina inkqualia ; filamerlta elongata, lutescentia ; aut/zer.ce awe=. StTZi breves, staminibus dupld breviores.

70. S . irrigua, foliis villosis ; radicalibus 5-partito-palmatis long& petiolatis ; caulinis digitatis : segmentis cuneato-oblongis mucronatis trifidis, paniculii lax%, laciniis calycinis linearibus acutis, petalis spathulatis.

Fisch. H o r t . Gorenk. Spreiig. C e n t . Spec. minus cognit. p . 36. Marscfi. d Bieberst. Cent . Plaii t . Rar. Ros- sic. ii. t . 73. Steven de Sax$. Cauc. in Mem. Mosq. iv. p . 82. 11. 12. Sternb. Sasif . p . 6’0.

S. irrigua.

S. petraea. S. aquatica. Marsch. d. Bietjerst. Fl. Taur. Caw. i. p. $17.

(exclus. synon. L a p e y r . et Persoon.) S. foliis radicalibus reniformibus 5-lobis multifidis ; caulinis

linearibus, caule subnudo. Gmel. Sib. iv. p . 171. (exclus. synon. Lim.)

l labi tut in Tauri% inter rupes ad fontes Salghir (Pallus, Narschall d Biebvs te in) , in Sibirig nempb in udis pratis

sylvosis

Pall. I d . Taur. Hnbl. Tuur. p . 147.

Mr. D. DON'S Monograph df the Genus Sasifiwga. d i l 2

sylvo$s ab Aldano ad Urak (GmeZin), in altissimis prze- ruptis Jaikze (PnZlus). 'y . (v. v. c. et s. sp. in Herb. Pal- las. minc Lamb.)

PZanta caespitosa, herbacea, magnitudine prmedentis at multb mollior et laxior, nunquam surculosa. CauZes erecti, palmares, flexiliores, villis articulatis suppediti, virides. Folia radicalia cucullata, reniformia, 5-partito-palmata, Iongk petiolata ; caulina trifida sessilia : segmenta radica-, lium cuneato-oblonga, trifida : lobis tridentatis : dentibus acutis, aristatis ; caulinorum lanceolata, indivisa, mucronata. PetioZi semiteretes longissimi, lenti, erecti, suprd canaliculati, undique villis longis, articulatis, viscidis dens& tecti. PanicuZa laxa, multiflora. Bractece pal- matae. FZores majores, campanulati, pulchri, candidi. Calyces cum peduncdis villis viscidis instructi : laciniac lineares, acutae, inths concavae. Petala spathulata, triplinervia : nervis simplicibus, rectis. Stamina inEqualia ;

Jilamenta viridia ; anthem lute=. Styli elongati, staminibus subsequales.

This is a very distinct and well-marked species, readily distinguished from the preceding by its loose, herbaceous habit, slightly covered with long villous hairs; leaves much more deeply divided ; lobes acute ; stem limber, green, villous. Pa- picles loose, many-flowered ; Zacinie of the calyx acute ; petals broader, spathulate ; limb spreading. Marschall von Bieberstein in his Supplement to the FZora Taurico-Caucasica mentions the petals as being unequal, and slightly three-toothed at the apex; but these marks are by no means constant ; for I have never observed them either io cultivated or in dried specimens.

VOL, X I I I . 3 I1 71. s. ma-

71. S. maderensis, surculis ligiiosis, foliis confertis cuneiformibus long&-petidatis basi acutis apice inzqualitbr inciso-lobatis, laciniis calgciiiis lati: ovatis acutis.

Ilahitat in Ins. Madeira. Mosso i i . I./ . (v. s . in Herb. Banks.)

P’Zrrrita dens& cmpitosa. Sitrcuh erecti, rigidi, lignosi, basi rudimentis foliorum einarcidorum crebrk instructi. Caules phres, adscendentes, 4-unciales, filiformes, graciles, oligophylli, pauciflori, pilis brevissimis glanduliferis levitkr sparsi. Folia radicalia conferta, cuneiformia, long& petiolata, pubescentia, basi acuta, apice inaequalitbr inciso-lobata : lobis brevk ovatis, acutis ; caulina inferiora palmata ; superiora, indivisa, acuta. I’etioli filiformibus, teretibus, rigidis, levitkr villis ciliati. Calyx obconicus, ut et pedicelli pube glutinosA tectus : lacinize triangulari- ovatae, acutae. Petala non vidi.

72. S. pedatifida, foliis radicalibus reniformibus pedatifidis viscidis subvilIosis : segmentis lineari-lanceolatis acutis, pa- nicultt fastigiatk, laciniis calycinis lineari-lanceolatis mucronatis, pe talis angust& spathulatis.

S . pedatifida. Ehrh. Exzsicc. 91. 15. Smith i‘n Act. SOC. Linn. x. p . 340. Engl. Bot. t . 1278. (optima.) Com- yend. FI. Brit. p . 67.

S. quinquefida, var. p. l adan f t ra , glabra ; foliis profunditts sectis cauleque glu-

tinosis. S. ladanifera. Lapeyr. Saxif. Pyren. p . 65. t . 42. Lam.

Encycl. vi. p . 691. Earn. et Ilecand. Fl. Franc. iv. p . 373. Persocin S p . i. y. 490.

Habitat tb in Helvetize alpibus (Ehrhnrt), in Pyrenaeis (Tour- nefort), in rupibus Scotiae montium ( G . Don e t J . Mac- k .~) : p in I’vrenzis, La Peyr. 2 . (v.v. c . et s, sp. a et p. )

Herba

Lam. FZ. Fr. iii. p . 533?

Mr. 1). DON’S &fonograph of the Gentis Sasif7.aga. 415

Herba in czespitibus densis, conicis, vegetans, villis mollibus praesertim folia et petioli, instriicta; et tota succo glutinoso tecta, in (qu2e nuda est) densiore et ladano sirnili nitido, et e quo venit gratus et subtilis odor, spi- rare quem memorat Clariss. La Peyrouse, et ipse obser- vavi. Surculi erecti, sublignosi, 3-4-pollica~es, basi rudimentis foliorum emarcidorum tecti. Cnules erecti, palmares, glabriusculi, rubri, nitidi. Pet ioli longi, com- pressi, villosi (in ,G nudi), basi dilatati et caulem am- plexantes. Fdia radicalia numerosa ; adultiora patentia ; juniora erecta ; omnia profundb tripartita : segmentis lateralibus 2-3-fidis, interrnedio cuneato-trifido ve] inte- 3 crerrimo : lobis lineari-lanceolatis acutis aristatisque ; CQU-

linn b r e d petiolata, profundk tripartita : segmentis linearibus integerrimis ; supremis et rameis simplicibus, lineari-Ianceolatis, scutis. Paniczdcz confer&, fastigiatz, multiflorz. Pedicelli cnlycesque pube brevissimk glutinos& tecti. Flows campanulati, candidi, S. geraniojde multb minores : limbo patente. Ca{ycis lucinia lineari- lanceolate, mucronatae : mucrone aristato, inflexo. Pe- tala angust& spathulata, triplinervia : nervis simplicibus. ,

Stamina pistillis subzqualirt ; Jilarnenta pallid& luteo-vi- rcscentia ; ant/ierie aureke.

Plures Botanici cum S. geyanioide, cui in pluribus sed prFsertim habitu convenit, confusi sunt ; tamen characteribus indicatis ab e% etiam abund& discrepat. Var. ,G parhm in habitu re- cedit, et fer& villorum absentitl nec non succo ladano &- mili densihs teeto; sed ut species diversa neyuaquam habenda sit.

Ous. Species ab omnibus satis distincta.

416 Mr. D. DON’S Motlograph of the Gems Saxifraga.

73. S. ceratophylla, surculis lignosis, foliis bi- tri-partitis petiolisque rigidis glabris : segmentis subulatis corneo-mucronatis, caule glutinoso, calycibus fucatis glabris : laciniis ovatis apice recurvis mucronatis, petalis oblongis.

Dryunder in Hort. K e w . iii. p . 70. S. ceratophylla. S. trifurcata. Schrad. Hort. GZtt. fasc. i. p . 13. t .7 . Sternb.

Surf. p . 49. S. petrzea. Herb. Pavon. Habitat in Hispank Pavon. Y . (v. v. c. et s. spont. A

Clar. Pavon comm. in Herb. Lamb.)

Plunta denst5 caespitosa, tota glaberrima. Surculi numerosi, breves, lignosi, stricti, rigidissimi, fragiles. Cnules numerosi, erecti, palmares, ramosi, rigidi, fragiles, basi rubescentes, succo viscid0 undique fucati. Petioli longissimi, filiformes, rigidi, fragiles, nudi, sup& canaliculati. Folia profundb bi- tri-partita, carnosa, glaberrima : segmentis subulatis, divaricatis, supra, canaliculatis, apice mucrone corneo, recurvo instructis ; caulina petiolata, tripartita : segmentis simplicibus. FZores numerosi, candi- dissimi, in paniculam ramosam laxam dispositi. CaZyces urceolati pedicellique succo viscoso undique obsiti et niti- dissimh fucati : laciniae ovatz, erect=, cotmiventes, extbs convexae, margine membranaceae, apice mucrone corneo recurvato instruct=. Petala oblonga, obtusa, integerrima, demhm flaccida, triplinervia : nervis simplicibus strictis.

74. S. obtusijda, surculis lignosis, foliis tripartitis petiolisque angustissimis rigidis glabris : segmentis linearibus obtusissimis, calycibus pubescentibus : Saciniis ovatis obtusis, petalis obovatis. ’

Habitat in E-IispaniA. P a m i . II . (v, Y. in Herb. Pavon. nunc Lamb.) ’

P k i n t a

Mr. D. DON'S Monograph of the Genus Srazifi*aga. 417

Pjknda densissimk cmpitosa, glaberrima, intens& viridis. SurcuZi erecti, 1- aut l+-pollicares, lignosi, rigidi, foliosi. Caules erecti, 4-unciales, oligophylli, glabri, 4-5-flori. Petioli angustissimi, simplices, glabri, subths carinati, rigidissimi. FoZia profund& tripartita : segmenta linearia, obtusissima, glabra, nitida ; lateralibus porrectis, distanti- bus, saepihs Midis. Pedicelli uniflori, pubescentes. FZores campanulati, albi. Calyx pubescens : laciniis ovatis, obtusis. YetaZa integerrima, obovata, triplinervia : nervis apice bi- vel tri-furcatis. Stamina stylos 2equantia ; J ~ Q -

menta lutescentia ; anthem AavE.

.

OBS. Species distinctissima, praxedentis habitu.

75. S. ajugifdia, surculis procnmbentibus, foliis 5-partitis ; segmentis lanceolatis mucronatis, caule ramoso, laciniis calycinis ovatis mucronatis, petalis planis obovatis.

S. ajugifolia. Liiin. Amen. Acad. iv. p. ,271. Sp. PI. 578. Gerard. Fl. Galloprov. p . 224. J W d . Sp. PI. ii. p . 653. Lapeyr. FZ. Pyren. Saxif. p . 56. t . 31. (mnln.) Lam. En- cycl. vi. p . 692. Lain. e t . Decand. Fl. Franc. iv. p . 371. Persoola Synop. i. p . 489. Hort. Kew. iii. p . 70. Sternh. Sax$ p . 46. Wahlenb. Carpath. 122.

Habitat in Galloprovinciae montibus, et etiam in Pyrenaeis.

Herha virens, villis mollibus, raris, viscidis ad petiolos den- sioribus instructa, ante anthesin dense czespitosa, post- modi, laxa, surculosa. Surczcli elongati, lax& procumbentes, rubescentes. Caules adscendentes, 4-6-unciales, ramosi, flexuosi, multiflori, villis viscidis levitkr adspersi, basi rubescentes. Folia radicalia et surculina long& petiolata, profundk 5-partita : segmentis lanceolatis, recur- vat& mucronatis, divaricatis, utriaque glabris, margine

ciliatis ;

3 . (v. v. c.)

420 &!r-. D. DON'S Moraograp?& of the Genus Saxijkaga.

imperfect specimens of it, I am unable to decide positively to which of the two it is nearest allied. It appears to be neaier akin to S. obtus$da ; still, however, I think they are specifically different. At the suggestion o€ Sir James Edward Smith, I have taken the liberty of changing the termination of the specific name, as being less consonant to established rules.

78. S. ZatiJida,+surculis erectis brevibus, foliis radicalibus surcu- linisque latb-cuneatis glaberrimis 3-5-lobis : lobis latb- ovatis acutis, calycibus glabris : laciniis ovato-lanceolatis mucronulatis, petalis spathulatis : nervis simplicibus.

S. adscendens. Herb. Pavon. Habitat in Hispania. Pavon. 2. (v. s. in Herb. Lamb.)

PZanta glaberrima, I&&-virens, caspitosa. Surculi erecti, 8-pollicares, rigidiusculi. Caules erecti, palmares, ramosi, glabri, polyphylli, .multiflori. FoZia radicalia et surculina latb-cuneata, glaberrima, 3-5-loba : lobis latb- ovatis, rnucronulatis, planis ; caulina inferiora conforrnia sed profundihs lobata : lobis lanceolatis ; superiora indivisa. YeduncuZi elongati, subhiflori, glabri. Calyces glabri : lacinise ovato-lanceolatae, mucronulatae. Petah spathulata, candida, triplinervia : nervis simplicibus. Sta- mina pistillis breviora ; JiZarnenta lutescentia ; anthem aureae.

79. S. decipiens, villosissima ; foliis 5-fidis trifidisve : segmentis ovato-oblongis obtusis muticis, laciniis calycinis triangulari-ovatis obtusis muticis, petalis orbiculatis.

S. decipiens. Ehr-hart. Beytr. v. p. 47. Persoon Synop. i. p. 490. Sternb. Sax$ p. 55, t. 23.

S. czespitosa. Fl. Dan. t . 71. S. petrxa.

nfr. D. DON'S 21fonograph of fhe Genus Saxifragn. 421

S. petraea. Both Tent. i. p . 184. With. Brit. 890. S. palmata. S. villosa. PYilld. Enurn. 462. Habitut in apricis saxosis Gerniaiiiae ( Ehrhart, Schreber,

Panxer), in rupibus Cambro-Britanniae (Grzfith), Bolie- miae (Sternberg). 3 . (v. v. c.)

Uerba villosissima, capescens, ante anthesin dens& caespitosa, postmodb laxa, surculosa. Surcd i elongati, procumbentes. Caiiles erecti, foliosi, multiflciri, 4-6-unciales. Folia radicalia 5-fida vel trifida: segmenta latk oblongo-ovata, obtusa, mutica ; caulina ima saepihs partita ; superiora indivisa, lanceolata. FZores magni, patentes, lactei. Calyces pedunculique pube can& viscidti densk tecti : lacinize triangulari-ovatz, obtusae, muticz, obsoletb trinervosae. Pet& plana, orbiculata, integerrima, triplinervia : nervis simplicibus, rectiusculis.

Smith Brit. ii. p. 456. Eng. Bot. t . 455.

80. S. hirta, villosissima ; foliis radicalibus 5-fidis ; surculinis trifidis : segmentis ovato-lanceolatis acutis, laciniis calycinis triangulari-ovatis acutis, petalis obovatis.

S. hirta. Dorm Cant. ed. 5. 107. Engl. Bof. t . 2291. Smith Compend. Fl. Brit. p. 66.

Hubitat in rupibus Hiberniz ( J . 7'. -Wackuy), Scotiz occi- dentalis (G. Don). 3 . (v. v. c. et s. spont.)

Iierba villosissima, canescens, ante anthesin densissimk caespitosa, posted laxa, surculosa. Surculi decumbentes, flexuosi. CauZes erecti, 3-5-pollicares, palyphylli, pauciflori, villis viscidis dens& instructi, basi rubescentes. FoZia radicalia 5-fida ; surculina trifida petiolis dilatatis subzequalia : segmenta ovato-lanceolata, acuta ; caulina inferiora profundk tripartita : segmentis linearibus, mu-

YOL. x I r I . 3 1 cronatis ;

cronatis ; superiora indivisa. Fdores albi, pricedente minores. CaZyces pedicellique pilis glanduliferis confertis- simi: tecti : lacinix lath triangulari-ovatse, mucronatk acutE. PelnZa obovata, integra, triplinervia : nervis simplicibus, strictis. Stamina stylos subEquantia ; filaments flavida ; untherce lute=.

Sir J. E. Smith has justly remarked in English Botany, that this species approaches very near to S. decipiens (paltnata, Sm.) ; still, however, I think with him that it is specifically distinct. It differs from decipiens in its less robust habit, acute segments of its leaves, and acute lacink of its calyx, its smaller flowers, and obovate petals. My friend Mr. J. T. Mackay first discovered this species on the Irish mountains. It has also been observed by the late nilr. G. Don of Forfar, on rocks in the Western High- lands. The Scottish specimens in Mr. Don’s Herbarium agree exactly with Irish ones from Mr. Mackay, and with the admirable figure in English Botany.

81. 8. ykitipetala, d o s a ; surculis elongatis, fobis S-3-partitis : segmentis linearibus acutis aristatisque, laciniis calycinis ovatis mucronatis, petalis orbiculatis.

S. platipetala. Engl. Bot. t. 2276. (optima.)

Habitat in Scotise alpibus, G . Don ; in alpibus Carnbro-Bri- tannicis, Damson Turner. 3 . (v. v. spont.)

Herba villosa, ante anthesin densissimi: caespitosa, posteii laxb diffusa, surculosa. SurcuEi numerosi, longissimi, pro- strati. Caules erecti, 5-6-unciales, foliosi, multiflori. Folk radicalia profiindk partita ; surculina tri- rarihs quinque-partita, petiolis angustk linearibus dupli, vel triplh breviora : segmenta linearia, acuta, set$. longA tenui

terminata ;

Smith in Act. SOC. Linn. x . p . 391. Compend. $7. Brit. 66.

terminata ; cazdina inferiora profundb 5-partita ; superiora indivisa, lanceolata, acuminata. FZores patentes, lactei, majusculi. Calyces pedunculique pube glandulosh densk suppediti : lacink triangulari-ovatE, mucronak (mucrone recto), conspicuk trinerves. Petala orbiculata, plana, integra, e x t h przesertim in zestivatione, ad apicem rosea, basi parhm angustiora, triplinervia : nervis lateralibus incurvis, ramulosis ; medio recto, simplici. Sta- mina zqualia, stylis vix longiora ; jilamenta pallida ; an- t h e m lutea.

3

82. S. incurvijilia, glabriuscula ; foliis radicalibus 5-fidis ; surculinis trifidis : segmentis lanceolatis obtusis incurvis, laciniis calycinis ovatis acutis, petalis subrotundis emarginatis.

S. incurva. Muckay in literis. Habitat in Hibernk rupibus alpinis. J. T. Mackay. y..

(v. v. c.) ,

Platata virens, densissimk czespitosa, ante anthesin glaber- . rima, postmodhm villis‘ longis viscidis adspersa. Surculi

breves, erecti. CauZes stricti, tripollicares, foliosi, 2-3- iiori. Folk radicalia aggregata, 5-fida, palmata ; surculina trifida petiolis latk dilatatis vix breviora: segmenta lanceolata, obtusa, incurvata ; caulina inferiora palmati- fida ; superiora indivisa. Flores albi”. Calyces pedicel- iique pilis glanduliferis suppediti : laciniae latk ovatae, acutae, muticze. Petala subrotunda, emarginata,‘ triplinervia : nervis simplicibus.

‘The present species has, I believe, been, found no where else Having cultivated it for many years, I do

3 1 2 not except in Ireland.

424 Mr. D. DON’S .Monograph of the Genus Sas$wgQ.

not hesitate to give it with confidence as a distinct species. Its short upright shoots ; its inflected leaves, and emarginate petals ; its stems never bearing above two or three flowers ; and lastly, its being nearly smooth, will always prevent its being confounded with the three preceding species. In some respects, but especially in habit, it approaches near to S. cesppitosa, Linn. It dif- fkrs however from it by its emarginate petals ; by the longer and inflected segments of its leaves ; and likewise by the whole plant being almost smooth, and nearly double the size.

85. S. denudata, glaberrima ; foliis radicalibus 5-fidis ; surculinis tripartitis : segmentis lineari-subulatis acutis, laciniis calycinis lanceolatis mucronulatis, petalis obovatis emarginatis.

Hubitat in montibus Grampianis in An@% ScotiE. G . Doti. x . (v. v. spont.)

Hwba glaberrima, I&& viridis, in czespitibus densis parvis wgetans. SurcuZi brevissimi, conferti, erecti, crebrk foliosi. Caules erecti, sesquipollicares, oligophylli, subbiflori, purpurascentes, pilis glandnlosis levitkr instructi. Folk radicalia 5-fida ; surculina tripartita : segmenta lineari-subulata, acuta, arist& terminata, carnosa, glabra, nitida ; cazdina ima tripartita, caeteris indivisis. FZores campanulati, candidi. Cahces pilis glanduliferis par& suppediti : laciniae lanceolatae, mucronulatae mucronulo reflexo. Petah obovata, emarginata, trinervia : nervis simplicibus strictis. Fihmenta hteo-virescentia. A n t h e m aureze.

The late Mr. G. Don discoveredthis species many years ago on rocks on the summits of the mountains of Angus, near the con- fines of Aberdeenshire, where it grows in little dense tufts, flower-

ing

Mr. D. DON’S 3Ionograph of the Genus Saxifraga. 4%

ing in June. The stem has never more than one or two flowers. The leaves are quite smooth and shining, except the petioles, which are slightly fringed with soft villous hairs. The narrower segments of its leaves, which are acute, straight and awned, and the laiiceolate lacinise of its calyx, as well as its obovate petals, at once distinguish it from S. incurvijolia. It cannot be confounded with S. ccpspitosa, as will be seen on a comparison of their characters. The late Mr. Don cuItivated it under the name of S.,Zavis; but it is very distinct from the Zavis known in the gardens, which is the S . condensata of Gmelin’s FZ. B11- clensis,

84. S . Sternbergii, glabra ; foliis radicalibus palmatifidis ; stir- culinis trifidis indivisisve : lobis ovatis acutis muticis, laciniis calycinis ovatis mucronatis, petalis obovatis : nervis ramosissimis.

S. Sternbergii. Willd. Enum. p . 462. Sternb. Saxif. p . 56. t . 24. (mala.)

S. palmata. Pam. in Sturm. Deutsch. FZ: 26. H e f t . t . 10. f. 2. (ex Sternb. 1. c . )

Habitat in Agro Norimbergensi Germaniae. Panxer. 2. (V’ v. c.)

Herba laetk virens, glaberrima, densk czespitosa. Surculi brevissimi, conferti. Caules erecti, 3-4-unciales, glabri, 2-3- rarihs 4-flori. Folia radicalia 5-fida, palmata ; surculina trifida aut indivisa : lobis ovatis acutis muticis ; caulina omnia indivisa, cuneata, acuta, glabra, nitida, conspicuk nervosa. FZores magni, albi. Calyces pedicellique pilis glanduliferis brevissimis adspersi : Iaciniae ovati mucronatse trinerves : mucrone recurvo. P e t a h obovata, triplinervia : nervis flexuosis, rarnosissimis.

O B S .

426 Mr. 1). DON'S Monograph of the Genus Salcifraga.

O m . Figura Sternbergii, quze dubia ob habitum diversum et caulem ramosum hirsutum, ad S . decipientem potids spectare videtur.

85. S . pulchella, glabra ; f o h radicalibus 5-fidis ; surculinis trifidis : segmentis linearibus obtusis, laciniis calycinis latk- ovatis obtusis, petalis orbiculatis : nervis ramulosis.

f labitat in Germaniii? q . (v. v. c.)

IIerba glabra, saturatk virens, densissimb cmpitosa, ad anthesin pilis brevibus glanduliferis adspersa, surculosa. Surcrili breves, erecti. Caules erecti, 2+--3-pollicares, 2-3-flori, nitidi, pilis glanduliferis pare& suppediti. Foliu radicalia 5-fida, palmata ; surculina trifida : segmenta linearia, obtusa, carnosa, marginata, apice mucronulo tenui instructa ; cutdina inferiora digitato- 5-partita ; su- . periora tripartita. Plores lactei, magnitudine ferk praecedentis. Calyces pedicellique pube glandulosii instructi : laciniae latb-ovatae, obtusze. PetuZa suborbiculata, triplinervia : aervis ramosiusculis. Stunzina brevia ; $la- menta virescentia ; anthem luteer:.

My friend Mr. Anderson, of the Chelsea Botanic Garden, received this species from Germany under the name of S. Stern- bergii. I t is, however, in several respects very distinct from that species. I do not remember to have seen it any where else but with him, nor have I met with specimens of it either in the Her- bariums of London or Paris. #

86. S. tridentata, glabra ; foliis radicalibus 5-fidis ; surculinis long& petiolatis acut& tridentatis, Iaciniis calycinis triangulari-ovatis rnucronatis, petalis spathulatis.

Habitat . . . . . . . . . . . . . . . . . . . . . . 3 . (v. v. c . ) 11 erba

M r . D. DON’S 2llonoSraph of the Gelius Saxifraga. 427

Herba densissimb caespitosa, ante anthesin glaberrima, posteii surculosa, villis viscidis levitbr sparsa. Surculi brevissimi, ereeti, conferti, crebrk foliosi. Caules erecti, tri- unciales, graciles, oligophylli, pauciflori, purpurascentes, nitidi, pilis glanduliferis parcb tecti. Folia radicalia patentia, 5-fida ; surculina erecta, ‘longk petiolata (petiolis b Uracilibus villis ciliatis), spathulata, plerumque tridentata : dentibus brevibus ovatis mucronulatis ; lateralibus minoribus. PecZiceZZi breves, uniflori, calycesque pube brevi viscid% tecti. Flores nivei. Cabcis lacinie triangulari-ovatz, mucronatze. Petala spathnlata, triplinervia : nervis simplicibus, strictis. Stamina inaequalia ; filaments viridia ; anthere aureae.

I met with this plant in Mr. Knight’s exotic nursery, King’s Road, Chelsea. It is specifically distinct from all the species with which I am acquainted. Its native country, however, I have not been able to ascertain.

87. S. andicola, villosissima ; foliis radicalibus trifidis : segmentis lanceolatis acutis ; surculinis superioribus linearibus simplicibus acutis, laciniis calycinis ovatis acutis, petalis obovato-orbiculatis : nervis ramosis.

S. villosa. Pavon Mss. Habi ta t in frigidissimis Peruviz. Pavon. 3 . (v. s, in Herb,

Pavon. in Mus. Lamb.)

Herba villosissima, densissime caespitosa. Surcu€i breves, decumbentes. Cnules erecti, sesqui- vel hi-pollicares, foliosi, 3-4-floriY villis viscidis confertissimk obsiti. Folia radicalia patentia, trifida, brevk-petiolata (petiolis dilatatis subths nervosis) ; surculina inferiora trifida : segmentis lineari-lanceolatis, acutis, subths conspicuk tri-

nervibu s ,

488 Mr. D. DON'S Monograph of the Gews Saxfruga.

nervibus, supcriora indivisa, lineari-lanceolata, acuta, subths trinervia ; caulina ima tripartita, superioribus ia- divisis. Bores lactei, subcorymhosi. CaZyx dens& glanduloso-pilosus : laciniae ovatE, mucronulatz. Petula oh- ovato-orbiculata, triplinervia : nervis lateralibus, conniventibus, ramosis ; medio recto, subsimplici. Filamenta brevia, lutescentia. Anthere flavae.

Nothing is probably more interesting to botanists than species of those genera, which are chiefly confined to the colder zones, from tropical climates. Among the rich and highly interesting harvest of plants discovered by the celebrated authors of the Plom Peruviana, Ruiz and Pavon, are several species of Saxi- f i ggo ; of each of which there are excellent specimens in the IIerbarium of Don Jose Pavon, now in the possession of A . B. Imnbert, Esq. The present is totally distinct from every other species. I would have most willingly retained the name given to it by its discoverer ; but as that name has been already applied to a very different plant, namely, S. decipiem, to prevent any ambiguity or confusion I have judged it best to change it.

88. S. cmpitosa, foliis radicalibus aggregatis 5-3-fidis indivi- . sisve : segmentis lineari-lanceolatis obtusis, caule oligo-

phyllo paucifloro, laciniis calycinis ovatis obtusis, petalis conniventibus obovato-rotundatis.

S. cEspitosa. Linn. Sp . PI. 578. FL Suec. ii. n. 376. FI. Lapp. edit. alter. 148. Gunn. Norv. n. 1047. t . 7. f. 3. an etiam f. 4? Smith Br i t . ii. p . 455.. Engl. Bot. t . 794. PTod. Fl. G r m . i. p . 277.

5. grenlandica Sp. PI. 578. Gunner. Norv. 689. t . 7. f. 1. (optimal) LapeJr. Pyren. Soxif. p . 39. t . 19. Per- soon Synop. i. p . 490. Sternb. Saxif. p . 53.

S. foliis

Wahlenb. Lapp. 119.

nfr. D. DON’S Monograph of the Geiius Saxifi.a,..a. 429

S . foliis petiolatis trifidis, caule subfolioso viscido. Hall. Helu. n. 989.

S, tridactylites grenlandica, cauliculis valdb foliosis. Dill. Eltham. p . 337. t . 353. f . 329.

S. tridactylites alpina minor et villosa. Tourn. Inst. 252. Sedum tridactylites, alpinurn minus. Bauh. Pin. 284. .Prod.

131. Hubitcit in Lapponk, Suecie, EIelvetiz, NorvegiE et Py-

reneorum alpibus ; etiam in Grenlandi& et rupibus alpinis Cambro-BritanniE. y . (v. v. c. et s. spont.)

f’lanta densissimb czespitosa, pilis glanduliferis brevibus confertissimk suppedita. Surczcli brevissirni, creberrime foliosi, basi foliis emarcidis den& imbricati. CnacZes erecti, 1-2-unciales aut rarihs ultri‘i, teretes, oligophylli, 1-3-flori, in cult$. szepihs 4-flori. Folio radicalia aggregata, imbricata, szepius 5-fida, nunc 3-fida aut indivisa : seginenta lineari-lanceolata, obtusa, carnosa, obscurk nervosa; cauEina ima palmata, summis plerumque tripartitis : segmentis linearibus. Pedicelli breves, uniflori, calycesque pube brevissimii viscid& tecti. FZores ma-jusculi, lactei. Lucinicz c a l y c i m ovatze, obtusE, carnose, obsoletb trinerves. YetaZa obovato-rotundata, conniventia, calyce cluplb longiora, triplinervia : nervis simplicibus ; medio recto ; lateralibus curvatis. Filamenta lutea. Anthem Aavx.

Much confusion has existed, and still exists, even in our latest works on Saxifrag&, regarding this species, which appears to have arisen chiefly from the improper synonyms Linnaeus added to his plant. No doubt, had LinnEus seen the plant those authors which he quoted intended by their imperfect figures and descriptions, he would have been at once convinced of its being widely

V O L . X I ~ I . 3 K different

different froin the Swedish and Lapland plant. Jndeed no two species can be more dissimilar than it and the S . miiscoides of Wulfen, which La Peyrouse and Sternberg in their excellent works still insist on as being the real capitosa of Linnaeus.

S. cmpitosa varies much in size, and in the number of flowers on each stalk, as well as of its cauline leaves. Iliere are specimens from the Linnaeaii Herbarium, collected by the late Dr. Solander on the Lapland alps, and preserved in the Bank- sian Herbarium, which accord exactly with Gunner’s figure 3 . ‘rhey are taller and stronger than the general state of S. ccpspitosa; but in no essential points do they differ. Gunner’s figure 4, notwithstanding the greater number of flowers, ought also to be referred to this plant ; it certainly does not represent S. deciyieiis. I am inclined to think Willdenow’s cQspitosa belongs more probably to S . esaratu tlian to this.

r t

89. S. stellato, foliis creberrimis appressk iinbricatis 5-fidis trifidisve : segmentis lineari-oblongis obtusis, caule bifloro, laciniis calycinis ovatis acutis, petalis obovatis.

S. stellata. Pmon &fss. Habitat i n frigidissimis Andium Peruviae. Pavolt. y . (v. s.

in Herb. Pavon. nunc in Mus, Lamb.)

Ilerba dens& caespitosa, Fragosce corynbose (Fl. Per.) habitu admodum similis, pube glandulosA tech. SurcuZi erecti, conferti, foliis undique crebrb imbricati. CauZes erecti, vix unciales, grades, biflori. FoZia creherrima, appressb irnbricata, omnia 5-fida vel trifida : segmenta lineari-oblonga, obtusa, carnosa, subths uninervia ; caulina simplicia, linearia, obtusa. Petioli breves, latissimk dilatati. Flores lactei, majusculi. Calyces pube g1andulosA brevi dens& tecti: lacinis ovate, acute. Petalu obovata, triplinervia : nervis simplicibus strictis.

O B S .

OBS. A S. cespilosd long& discrepat : habitu, foliis creberrimis appressb imbricatis, petiolis latissim& dilatatis, laciniis calycinis acutis et petalis obovatis,

91. S. Bonplmdii, pubescens ; foliis congestis 5-fidis trifidisve : segmentis linearibus obtusis, laciniis calycinis lanceolatis acutis, petalis obovatis.

S. peruviana. S. alpina. Povoii M s s . Elabitat in Andium Peruviaiiortim suinmis Cordilleras dictis.

Pavon, Bonplarid. Y . (v. s. in Herb. Pavon. nunc in Mus. Lamb.)

Herba densissimb czspitosa, pilis brevissimis glanduliferis confertissimk obtecta. SzircuZi breves, adscendentes, crebrb foliosi. Caules numerosissimi, unciales, erecti, oligophylli, glanduloso-tomentosi. Folia radicalia et surculina congesta, imbricata, quinque- vel tri-partita : segmenta linearia, obtusa, carnosa, enervia ; caulina inferiora tripartita : summis simplicibus lineari-lanceolatis. Petioli brevissimi, lineares. Flores albi, terminales, terni, capitati, subsessiles, rarihs solitarii. Calyces obconici, tomento glanduloso dens& tecti : laciniae lanceolata:, acutze, rectse. Petala ohovata, triplinervia : limbo orbiculato, patente : nervis simplicibus ; lateralibus incurviy. Stazniiin stylis longiora ; filaments alba ; anther@ Aav;ie.

This is the only species of SusiJrcrga discovered by the illus- trious travellers Humboldt and Bonpland in South America. While in Paris, my esteemed friend M. Kunth, the celebrated editor of the Nova Genera e t Species Planturum, had the kindness to permit me to examine the speciniens of this plant in the Humboldtian Herbarium. These specimens appeared more dif- fuse and stronger than those of S. alpina (Pavon) in the Lam-

3 K 2 bertian

Bonpland in Sternb. Strxif . 13. 55. t . 22 .

432 Afr. D. DON’S Monograph of the Genus Saxifraga.

bertian Herbarium ; but in every essential point they seemed to coincide.

91. 5’. magelkunica, caulibus caespitosis procumbentibus, foliis linearibus trifidisve confertissimis glabris, ramis floriferis nudis axillaribus brevissimis unifloris. Lam. Encjc l . vi. p . GS6.

S . magelluzzica, foliis congestis viscoso-pubescentibus ; inferioribus trifidis ; superioribus simplicibus, floribus sub- binatis subsessilibus. Persoon Synop. i. p . 491. SternG. Saxzy. p . 39. t . 1 1 . a.

Habitat ad Fretum Xilagellanicum. Conmerson. Ylantn caspitosa. Caules breves, procumbentes, foliosi.

Folia inferiora trifida ; superiora indivisa, linearia, obtusa, glabriuecula. FZores solitarii, brevissimk peduncu- lati. Pedunculi nudi. Calyx glaber : laciniis linearibus, obtusis. Petalu obovata, calyce duplb longiora. Lam. Zoc. cit. (ex Gall. vers.)

I am sorry that while at Paris I neglected to examine the specimens of this in Commerson’s Herbarium ; I have therefore followed Lamarck, as being the first who described it, in yrefe- rence to Persoon and Sternberg, whose descriptions, and also the figure of the latter, disagree with Lamarck’s description in some important points.

92. S . exarata, pubescens ; foliis radicalibus quinque- tri-partitisve ; surculinis tripartitis : segmentis linearibus obtusissimis sup& exaratis, caule multifloro, laciniis calycinis ovato-oblongis ohtusis, petalis obovatis : nervis simplicibus.

S . exarata. Lam. et De- C i d . Fl. Franc. iv, p . 374.

S. uer-

Villars. Delph. iv. p . 674. t . 45.

N r . D. DON'S Monograph of the Genus Saaifr.aga. 433

S. nervosa. Lapeyr. Pyren. Sax$ p . 63. t . 39. Persoon Synop. i. p . 490.

Lam. En- Marsch. d- cycZ. vi. p . 696.

Bieberst. FI. Taur. Cam. i. p . 316. Sternb. Saxg. p . 52. S. hypnoides. AZlion. P e d . 1538. t . 21. f. 4. (excl. synon.) p. pubescens, foliis radicalibus surculinis yue profundk tri-

partitis : segmentis lateralibus bifidis, floribus longk pedunculatis subcorymbosis.

S . pubescens. Poir. A c t . Toul. iii. p . 327. Lam. et Decand. Fl. Franc. iv, p . 375.

S. mixta a et 6. Per- soon Synop. i. p . 490.

S. caespitosa. Villars. DeZph. iv. p . 67-2. (excl. syn.) IVuven in Jacq. CoZZect. i. p . 290 ?

y. intricata, foliis radicalibus confertis patentibus cuncatis 5-fidis, pedunculis divaricatis.

S . intricata. Lam. et Decnnd. PI. Franc. iv. y . 374. Persooil Spnop. i. p . 490.

Ilabi tat tc in summis alpibus Pyrenzeorum ( L a Peprouse), Delphinatus (ViZZars), Sabaudize et Pedemontis ( A ZZioni), Caucasi (IlIarschaZl ct Bieberstein) ; p et y in PyrenEis (La Peyrouse), 0 etiam in TerrA NOVA (Herb . Banks.) y . (v. v. c. a, et s. spont.

Sternb. S a x q . p . 53. Lapeyr. Pyren. Sm$" p . 41. t . 21.

IVilld. Sp. PI. ii. p . 656 ?

Lapeyr. Saxg. Pyren. p . 58. t . 33.

et y . )

Planta ante anthesin densissimi: caespitosa, posteii surculosa, pilis brevissimis glanduliferis denst! pubescens. Surculi erecti, bi- vel tri-unciales, rigidiusculi. Caules erecti, 3-4- rarihs 5-pollieares, multiflori, pube brevi viscidis- simk conferth suppediti. Folia radicalia 5-3-partita, de- Aexo-patentia, rosulata ; surculina erecta, tripartita, rarissimb indivisa : segmenta linearia, obtusissima, supra nervis lineatis exarata ; cadina profundt: tripartita : seg- trientis lateralibus sap& biiidis. Perioli lineares plani,

conspicti&

conspicuk trinerves. Pedunculi filiformes, uniflori, folio profundk tripartito bracteam mentiente ad basin cujusque instructi, laterales subEquales ; terminali breviore. Flores candidi. Cabces obconici, pube brevi dens$, instructi : lacinize ovato-ohlonga, obtusz, carnosae, obso- let& trinerves. YetnZcs obovata, calyce dupld longiora, triplinervia, apice retusa : nervis simplicibus, strictis. Stanha subEqualia ; Jilumerita lutea ; anthers aureE.

I have reduced to this plant the Saxfraga intricata and rnixta of La Yeyrouse, and the pubescens of Poiret, as neither of them affords sufficient or permanent characters to establish them as distinct species. I t varies much in size and in the number of the segments of its leaves ; and likewise in the number of flowers on a stalk ; but its prominent features are always the same.

gs. S. Pauonii, pubescens ; foliis tripartitis : segmentis linearibus acutis nervosis, petiolis linearibus dilatatis subths costatis, laciniis caly cinis lineari-lanceolatis acutis, petalis obovatis.

Habitat in Andium Peruvianorum locis frigidissimis. Pavon . y . (v. s. in Herb. Pavon. nunc in Mus. Lamb.)

Herba pubescens, in empitibus densis, planis vegetans. Szimdi brevissimi, basi foliis emarcidis crebrb instructi. Caules erecti, 4-5-unciales, oligophylli, 3-5-flori, pilis brevissimis glanduliferis tecti. Fohn omnia tripartita, subtlls insignitkr costata ; inferiora def-lexo-patentia ; superiora erecta : segmenta linearia, acuta ; lateralibus rarissimk unidentatis ; caulina inferiora tripartita ; superiora simplicia, lineari-lanceolata, acuta. PetioZi dilatati, lineares. Pedunculi elongati, uniflori calycesque pube brevissimh glandulosft dens& tecti. Flores lactei, ad sic-

cationem

cationem lutescentes. CnZycis Zacinicr! lineari-lanceolat?c, acutae. P e f a l n obovata, triplinervia : nervis rectiusculis, simplici bus.

Q D S . A praxedente distinctissirna : segmentis foliorum acutis, laciniis calycinis lineari-lanceolatis acutis et aliis cha- racteri bus.

94. S. pedemonfnna, pubescens ; foliis aggregatis cuneato-spathulatis digitato-sectis exaratis : segmentis lineari-oblongis integris triclentatisve, floribus corymbosis, laciniis calycinis lineari-elongatis acutis, petalis oblongo-syathulatis.

Allion. I'ecE. 1 1 . 1540. t. 21. f. 6. (optima.) Imn . e t Dccnncl. l". Frunc. iv. p . 372. Persoon Synop. i.

S. pedemontana.

p . 490. S . cymosa. S. heterophylla. fl'ubitcrt in alpibus Pedeinontanis ( AZlioni, BeEZurdi, et BuZ-

bis), Marmaroszensibus (lVuEdstein et KitaibeZ). 3 , (v. s. in I-lerb. Ventenat. nunc in Mus. Lessertiano).

If'crEdst. e t Ir'it- PI. Rar. H21119. p . 91. t . 88. Stei.116. Suxzy. p . 50. t. 20. f. 1. et 2 .

PZnnta den& caespitosa. Itadis fusca, folioruin emarcidorum rudimentis densissinib tecta. Surciili brevissimi, den& foliosi. Ccizrles erecti, teretes, 4-5-pollicares, multiflori, pube brevissimli glutinos& undique tecti. Fo- Ein aggregata, cuneato-spathulata, levitkr pubescentia, digitatirn secta, suprh exarata, subtiis costata ; adultiora deflexo-patentia ; juniora erecta : segmentis lineari-oblongis, acutis, integerrimis tridentatisve ; caulina inferiora cuneata, digitato-secta ; suprema tripartita : seg- rnentis linearibus acutis. FZores magni, campanulati, eandidi, corymbosi. CaZyces profundk 5-partiti pedicellique pube brevi viscidA dens& tecti : lacink lineares,

eionga t ic,

436 Mr. D. DON'S Monograph of the Genus Su,aijhga.

elongate, acutix, recte. Petalu oblongo-spathulata, triplinervia : nervis rectis, simplici bus. Genitalia petalis breviora ; cfiZamentn capillaria, lutescentia ; crntherce au- re=. StgZi erecti, staminibus breviores.

I had an opportunity, while in Paris in August 1821, of examining several very fine specimens of this triily distinct species in the Herbarium of the late M. Ventenat, now in the possession of Baron Benjamin De Lessert. I take this opportunity, therefore, of acknowledging my thanks to M. De Lessert for his kindness in permitting me to examine his extensive and valuable collection. These specimens were collected on the Pedemontese alps by Drs. Bellardi and Ballnis, who communicated them to M. Ventenat. The Count de Sternberg is of opinion, that 'the cgspitosa of Wulfen is the same as this species ; but I am rather inclined to think (judging from the description) that Wulfen's plant belongs to S. esaratn.

95. S . moschatn, pubescens ; foliis radicalibus trifidis ; surculinis trifidis indivisisve nervosis : segmentis linearibus acutiusculis, caule filiformi subracemoso, petalis angust&-ovalibus calycem vix superantibus.

S . moschata. Wulfela in Jucq. Misc. ii. p . 128. t . 21. f. 2. (bona.) r#Wd. Sp. PI. ii. p . 656. Lapeyr. Pyreit. Snx$ p . 61. t . 37. (medin.) Lam. Encycl. vi. p . 695. Persoon Spop. i. p . 490. Sternb. SUZ$. p . 41. t . 11. f. .3.

Murr. Syst. Veg. xiv. p . 414.

S. caespitosa. S. exarata. AZlion. Ped. 1539. f. 2. (mall .) S. muscoides. Sternb. Sax$. p . 39. t . ll.f. 2. (omiss. var. 0

Sedulum quod moschatellina alpina lutea vocari potest.

Scop. Cam. 494. t . 14.

et y , et exclus. synon. Smith Brit.)

Gem. fnsc. xxv. t . 6 . f. 31. Tri dacty li t cs

Tridactylites alpina. Habitat in alpibus Carinthiacis, Carniolicis, Sabaudicis,

Salisburgensibus, inque Pyrenzis. 2. (v. v. c.)

P h t a ante anthesin dens& caspitosa, laeviuscula, postmo- dilm surculosa, glandulis brevissimis densk pubescens. Surculi erecti, elongati, graciles. Cnules erecti, filiformes, graciles, 2-3-unciales, nudiusculi, 3-5-flori. Folia radicalia triiida, patentia, long&-petiolata ; surculina plerumque trifida racibs indivisa, erecta, etiam long& petiolata, omnia supra lineis exarata : segmenta linearia, acutiuscula. Petioli angustk lineares, tenues, submembranacei, suprd line& exarati. Flores racemosi, brevb pedicellati, ad basin cujusque pedicelli folio tripartito bracteam mentiente instracti. Calyces obconici , dens& glandulosi pubescentes : laciniae lineares, obtusze. Petah angustk ovalia, acutiuscula, lutea, triplinervia, calyce parllm Iongi- ora : nervis simplicibus, strictis. Filaments brevissima, virescentia. Anthera lute=.

Bauh. Hist. iii. p . 754. ($g. bend.)

The Count de Sternberg’s t . 11. f. 3. is a very good repre- sentation of this plant, and not inferior to Jacquin’s ; but he has inadvertently confounded it with the two following, from which it is very distinct. His variety 3/ I have no doubt belongs to S. pygmaa.

96. S. muscoides, glaberrima ; foliis radicalibus integris trifidisve ; surculinis omnibus linearibus indivisis obtusis enervibus, caule gracillimo subtrifloro, petalis linearibus calyce parbm longioribus.

S. muscoides. Wulfen in Jacq. &!isc. ii. p . 125. HWd. Sp. PI. ii. p . 656. (exclus. synon. Scop. Carn.) Lam. En- cjcl . vi. p . 697. Lam. e t De-

V O L . X L I I . 3 L card.

k

Persoow Synop. i. p . 491.

438 &lr. D. DON'S Momgraph of the Germs Saxi f rap .

cand. Fl. Franc. iv. p . 376. Narsch . d Bieberst. Fl. Tuur. Cam. i. p . 316.

S. caespitosa. Huds. Angl. p . 181. (exclus. synon. Linn. e t Fl. Dan.) Lapeyr. Pyre?). Saxif. p . 59. t . 35. mi item t . 34? Stern!). Saxif. t . 1 1 . .f. 1 (mrdin . )

S. moschata. With. Brit. ii. p . 406. S. pyrenaica. Vill. Delph. iii. p . 671. $. pyrenaica, foliis partim integris partiin trifidis. Tournef.

Inst. 253. Segu. Veron. iii. p . 205. e t i. p . 451. t . 9. f. 4. (bend.)

S. foliis integris et trifidis, caule subnudo pamcifloro. I I d . Hell). 988.

.Hubitat in alpibus Carinthiacis (Wzdfen), Helveticis ( H d l e r ) , Tridentinis (Seguier), Delphinatis ( ViZZars), Gilanensibus Persix! (Herb . Pallas), Caucasicis (Mrirschall ii Bieber- stein), Pyrenzoram ( L a Peyrouse), in montibus supra Ambleside in Westmorlandiii (Hudson). Y. (v. v. c.)

Sternb. S a z f . p . 39.

Hall. Opusc. 292. t . 1.

Planta virens glaberrima, densissimt.. cmpitosa. Surculi erecti, longiusculi, graciles. Cnules erecti, biunciales, nudiusculi, filiformes, gracillimi, plerumque triflori, levith a ulandulosi. FoEia radicalia, integra vel trifida : lobis brevibus obtusis ; surculina omnia linearia, indivisa, obtusa, enervia, niarginata, utrinque glaberrima nitida, ra r ih ad margines glandulis brevissimis parcissimk instructa. Pe- dz'celZi breves, graciles ; laterales medio longiores calycesque glandulis brevissiinis suppediti. Lcrcinic~ calying lanceolatze, obtusissimz, trinerves. Petaln linearia, pallid& lutescentia, obtusa, emarginata, trinervia, cal yce parhm longiora : nervis parallelis, simplicibus. Genitalia brevissima ; filameiztn pallida ; a n t h e m fuscce.

'l'he above species, not~~-ithstanding its being probably the mosl

most distinct of the whole section, has given rise to much confusion. It has been regarded by most authors as the real ccespi- toss of Linnzus, as I have already shown in speaking of that plant. I am glad in being able to fix it as a British species, and also to restore to it the synonyms of Hudson and Withering, which I have done without hesitation from specimens collected at Ambleside in Westmoreland, and which had been sent to my late father, and preserved in his Herbarium.

97. 8. pygmuw, glaberrima ; surculis brevissimis rosulatis, fdiis lanceolatis enervibus glabris apice obscindente-obtusis, laciniis calycinis laC& ova tis, petalis ovalibus vix calyce longioribus .

S. pygmzea. S. muscoides y hemisphzerica. Lapeyr. Pyren. &'ax$ p . 60.

S. moschata. S. moschata, p. S. moschata y .

Habitat in Yyrenzeis, .La Peprouse. P h t a glaberrima, densissimk czspitosa, patula, humi de-

pressa. SuimZi brevissimi, rosulati, crebrk foliosi. CauZes filiformes, grades, paucifolii, 3-&flori, glandulis brevissimis suppediti. PoZiu lanceolata, patentia, rosulata, carnosa, enervia, margin&, glabra, nitida, apice obscin- den te-obtusa. Flores hujus sectionis omnium minimi ful- vo-lutescentes. Calyces pedieellique glandulosi : laciniae breves, latk-ovatae, obtusissimae, trinerves. Pet& ovalia, integra, vix calyce longiora, viridi-lutescentia, punctis nitidis suprk adspersa, trinervia : nervis simplicibus, fusco-rubris. Fiilamentcl: brevissima, purpurea. Anthem minuh, f t t l v ~ ~

s L 2 01;s-

IIaworth Mist. Nut. p . 168.

t.36. (optima.) Persoon Syrtop. i . p . 491. EiagZ. I3o.f. t . 2214. (exclus. synon.)

Lapeyr. 1. c. p . 62. t. 38. Sternb. Saxif. t . 11. 0. f. 2.

440 Mr. D. DON'S Monogrupii o f the Genus Sasijhga.

Oss. Prsecedenti valdb affinis, sed satis differt : hurniliore et densiore, surculis vix ullis, foliis lanceolatis brevioribus crassioribusque apice obscindente-obtusis, laciniis calycinis brevibus latb-ovatis, petalis ovalibus integris : nervis fusco-rubris, filamentis purpureis, antheris fulvis.

Mr. Haworth first distinguished this species in his Miscellanea NaturaZia, and gave it the very apt name which it now bears. This plant is given in English Botany as a British species, and, on the authority of the late Mr. James Donn of Cambridge, is said to be a native of Scotland : but some other plant must have been intended ; for I doubt much whether the present has been ever found any where in Britain. In Scotland I am certain it has not.

98. S. tricuspiduta, foliis radicalibus aggregatis cuneiformibus ciliatis acutb tridentatis, cattle adscendente racemoeo, petalis lanceolatis calyce tripld longioribus. TViZZd. S'. PI. ii. p . 657.

S. tricuspidata. Rottb. Ac t . I3'u-fn.x. p.446. t.6. Gunn. No;.- veg. 1046. Fl. Dan. b . 976. (bona.) Retx. Prod. FZ. Scand. ed. ii. n. 522. Lam. Encycl. vi. p . 693. Persoon Synop. i. p . 490. Sternb. Sasif. p . 54. Pursh Amer. Sept. i. p . 313.

Ijlabitat in GrenlandiA et TerrA Nov%. Y . (v. s. in I-Ierb. Banks.)

Plnnta densissimb czspitosa, glabra. Surculi brevissimi. Caules laterales, adscendentes, teretes, 4-5-unciaIes, oligophylli, glabriusculi, multiflori. FoZk radicalia aggregata, oblongo-cuneata, apice acutk tridentata : dente inedio majore triangulari ; lateralibus mucronatis : pagin% utrinque glabrh : margine ciliato ; caulina inferiora tridentata ; superiora indivisa. PedicelZi elongati, uniflori, calycesqne levitbr glandulosi. Bores lutei, magnitudine

s. IIir-

Mr. D. DON'S Monograph of the Genus Saxifraga. 441

S. Hirculi. Lacinie cul'ycina breves, ovatae, ob tuse Pe- tala lanceolata, calyce tripld longiora, punctata, triplinervia : nervis parallelis, simplicibus. Filaments lutescentia, stylis longiora. Anthera crocetz.

99. S. tridactylites, foliis primoidialibus integris spathulatis ; caulinis quinquefidis trifidisve, calycibus urniformibus : laciniis brevissimis, petalis obovatis apice truncatis.

S. tridactylites. .Linn. Sp. PI. 578. Fl. Suec. 353. 375. Gerard. Fl. Gall. 422. Gouan Monsp. 910. Gunn. Norv. 544. Scop. Carn. 550. Pollich. Pal. 403. Huds. Angl. 182. Lightf. Scot. 224. Curtis Lond. fa sc . ii. t . 28. Vill. Delph. IV. p . 669. Roth Germ. i. 184. ii. 469. With. Brit. 406. Hofrn. Germ. 145. Wilhl. Sp. PI. ii. p . 654. Lam. Encycl. vi. p.693. Smith Brit. ii. p.455. Engl. Bot. t . 501. (media.) Lam. e t Decnnd. Fl. Franc. iv. p. 369. Persoon Synop. i. p . 490. Mursch. d Bieberst. FZ. Taw. Cauc. i. p . 315. Sternb. Saxif. p . 44. t. 17. W'hlenb. Lapp. 218. ejusd. Carpath. 121.

S. annua. Lapeyr. Pyren. Sax$ p . 53. is. foliis omnibus trilobis basi angustis, caule erecto. Linn.

S. foliis petiolatis trilobatis, caule erecto ramoso et folioso.

S. foliis trifidis basi angustis, caule erecto. Roy. Lugd. Bu-

Sedum tridactylites tectorum. Bauh. Pin. 285. Moris.

Paronychia altera. Dod. Pempt. 113. Tabern. 805. Paronychia rutaceo folio. @. alpicola, major ; foliis radicalibus congestis; caulinis nume-

rosioribus plerumque 5-dentatis, Aorihus duplh majoribus. S . tridac-

FZ. Lapp. 173.

Hall. Helv. 986.

tau. 457. Sauv. Monsp. 208.

Hist. iii. p . 478. s. 12. t. 9. f. 31. (bona.)

Hort. Claf. 168.

BZackw. t . 212.

. S. tridactylites, p. Lim. Sp. Pl. ed. i. p . 404. 3'1. S w c . 353. 375.

S. adscendens. Sp. PI. ed. altera 579, U a n t . p . 884. Allion. Ped. 1537. 5.22. j'. 3' Wtclfen upud Jacq: CdZ. i. p. 197. t. 11. 12. j'. 1. 2 . S. petrim. Gurzsi. Xom. 427. t. 9. J: 1. 3. (exclus. synon. et descrip. Linn.) Vahl. in Act. Nist. N a t . Hafn. 2 . 1. p . 10. WiZld. Sp. PE. ii. p . 654. (exclus. synon. Lii2n.) Lam. Encgcl. vi. p . 694. (exclus. synon. Lint,.) Lam. et Decand. lX 1;i.anc. iv. p . 370. W a h l e d . Lupp. 219. (exclus. synon. Linn.) ejusd. Car- path. '6%. (exelus. synsn. Linn.)

9"1. Lapp. 173. (exclus. synon. Pona.)

Persoon synop. i. p . 490.

FZ. Dan. t . 680.

S. hypnoides. S. Scopolii. S. controversa. Sedurn tridactylites alpinurn, caule folioso. Bauh. Pin. 284. Habidtit cc in Europae arenosis copiosb; 6 in Lapponize,

Norvigie, Sabaudiae, Carinthiq Carpathorum alpibus. 0 . (v. v. spont. a, /3 v. s.)

$cop. C a m . 499. t . 16. Vill. Delph. IV. p . 670.

Sternb. Suxij'. p . 43. t . 16. j ig. omnes.

Radix fibrosa, annua. Caules erecti, ramosi, teretes, Aexuosi, multiflori, pilis brevibus glanduliferis instructi. Folia radicalia conferta, spathulata, patentia, indivisa, petiolata ; caulina cuneiformia, carnosa, quinquefida aut trifida vel rarihs tridentata : basi angustata petiolique glandulis ciliata, lobis obtusiusculis. Peduncuii recti, filiformes, subuniflori, calycesque pube viscid& brevi tecti. Flores parvi, candidi. Calyes urniformes : lacink bre- vissimze, obtusze, obscurk trinerves. PetaZa obovata, trinervia, apice truncato-obtusa, calyce Paul0 majora : nervis simplicibus, rectis. Filameiita alba, brevissirna. An- therce lute=. Styli recurvati.

100. s. pe-

Mr. D. DON'S Monograph of the Geiius Sasifragn. 443

100. S. petraa, fdiis radicalibus 5-lobo-palmatis ; caulinis tri- pai.titis incisisque, pedunculis longissimis unifloris, laciniis calycinis linearibus acutis, pctalis obovatis apice truncatis emarginatisque calyce duplb majorihus.

Y. petraxi. Litin. Sp. 1'1.579. (exclus. plerisq. synon.) JYuZ- fill ~ T Z , h q . COX i . p . 200. , lacy. hit. l h ~ . i . t . 81. ( lonu.) I3ofiW~. Germ 145 ?

S. geranioides. I-lost. Synop. 931. S. rupestris. S. Ponz. Sternb. Sax$ 11.47. f. 18. ( m c t k ( 1 . ) e t t . 21. f : ti. S. alba petrzca. Yoi ia 13nZl. apid Clits. His t . ii. 11. 337. ~21112

$gurC"c b o d . Poila I t . p . 283. Segc. Veron. i. p . 447. S. bianca. Calceol. It. 12. Sedum tridactylites inajus album. Uauh. Pin. 284. Prod. 31.

Raii Hist. XIX. p.'1043. fiioris. Hist. iii. p . 379. s. 12. t . 9. J: 28. (bend.)

Sanicula aizoides alpina trifido folio major alba. Plukeiz. A h . 331. t . 222. J: 3.

Habitat in praxuptis saxosis Montis Baldis (Porirr, Seguier, Sternberg), in CarinthiE alpibus (IVulfen). 0 . (v, s. in Herb. Banks.)

TVilld. Sp. 1'). ii. p . 6 3 .

Planta diffusi: rarnosa, pilis patentibus glanduliferis instructa. Radix fibrosa, annua. Cnules erecti, basi ra- rnosi, 4-5-unciales. jttcrmi elongati, subfastigiati. Folia radicalia long& petiolata, 5-lobo-palmata, basi subre- niformia : lobis latb ovatis, obtusis ; cadina omnia petiolata, ima tripartita ; summa indivisa, elliptica, utrinque acutil, multinervosa : segmentis inferiorum cuneatis ; lateralibus bifidis medio plerumque trifido : lobis acutis. Pedunculi longissimi, uniflori, calycesque pube viscid& tecti. Flora candidi, illis S. triclncfyliiis yuadruplb.

majores.

444 Mr. D. DON'S Moizograph of the Genus Saxfraga.

majores. C a b s urceolatus : lacinia: lineares, acutze, trinerves. Pet& obovata, calyce dupl3 majora, triplinervia, apice truncata et emarginata : nervis simplicibus.

The above description was taken from a specimen collected on Mount Baldo, and preserved in the Banksian Herbarium. Notwithstanding the very accurate figure which Pona has given of this plant, authors have been much disagreed regarding it. I t is undoubtedly the plant Linnaeus intended by his S. pqtrea, although his synonyms are very incorrect. The learned Gunner justly remarks, in speaking of his pe tma (tridactylites P), that it ill accorded with the description in the Species PZan.turum, which has evidently been taken from figures or specimens of the present species, although Linneus regarded them as the same.

101. S . adscendens, foliis profundb tripartitis : segmentis cuneatis multifidis, pedunculis multifloris, petalis ovalibus integris, caule adscendente paniculato.

Vahl. in Act. Hist. Nat . Hafn. 2. 1. y. 12. WiZZd. Sp. PI. ii. y. 655. (exclus. omnib. synon. praeter Vahlii et Gouanii.) Lam. EncycZ. vi. p . 695. (exclus. plerisq. synon.) Lnm. et Decand. FZ. Franc. iv. p . 370. (exclus. syn. Linn.)

Gouan Illust. 29. t . 17. f. 3. (bona.)

S. adscendens.

S. petraea. S. aquatica. Lapeyr. Pyren. Saxy. p . 53. t . 28. (optima.)

Persoon Synop. i. p . 490. Sternb. Sax$ p . 48. t . 19. f. 1. et 2 . (bone.)

0. caule virgato, foliorum lobis acutis subpinnatis, petalis lutescentibus. Lapeyr. Zoc. cit. t . 29.

Habitat tz et /3 in scaturiginosis Pyrenaeorum. 'U . (v. s. tz in Herb. Vent. nunc in Mus. Lessertiano, et item in Herb. Banks. )

Radix

M r . D. DON’S Monograph of the Genus Saxifraga. 445

BacZis fibrosa, perennis, czespitosa. Szrrculi plures, breves, foliosi. Cariles adscendentes, pedales aut ultra, foliosi, crassitie pennze anserinE, succulenti, pilis glanduliferis patentibus conferti: suppediti. Folia radicalia petiolata, 5-lobo-palniata, carnosa, utrinque glabra : segmentis latk cuneatis, incisoldentatis ; caulina ornnia petiolata, profundk tripartita : seginenta in Zobis lanceolatis obtusiusculis niultisecia. Petioli breves, ad bases praesertim radicaliuin latissimb dilatati. Flores coarctato-paniculati, albi, rari As lutescent e s . Pedzr ii c 11 Zi mu1 tiflori calycesqu e pube glandulosii tecti. crrly,~. obconicus : laciniae ovato- oblong=, obtusiuscth. PetuZu svalia, integra, triplinervia : nervis simplicibus, rubescentibus. Stamitza inzequalia stylis longiora ; Ji/anzeteta lutescentia ; a n t h e m aurez.

This, which is a very distinct species, is the largest of the whole section, often exceeding a foot in height. I have retained Vahl and Villdenow’s name in preference to that of La Peyrouse, on account, of its priority.

102. S. cziitentrr, glabra ; foliis iaaferioribus longk-petiolatis cuneatis 5-lobatis ; superioribua subsessilibus lanceolatis indivisis, caule adscendente paniculato, petalis oblongis.

S . cuncata. L n m . EncycZ. v i . 11. 700.

S. crurcifdia. Hobi ta t in T-lispalliac niontibus frigidis juxta Castellfort.

Wi/ld. Sp. PI. ii. 1). 658. Persoon Sjiiop. i. p . 43.0.

Cnvtitt. Icoii. iii. 1). 25 . C. 248.

CavaniZlts. 2 . Raclis fibrosa, perennis. Cciziles plures, adscendentes, gla-

bri. J’olict inferiora longh petiolata (petiolis fiiforinibm), cuneata, utrinque glabra, basi integerrima, apice 5-loba (lobis ovafis, acxt is) ; supwiom inclivisa, scssilia, 1:tiic~-

l.01,. X I I I . *s 7I olata*

446 MY. D. DON’S Monograph of the Genus Sirst$vga.

olata, acuta. Fhrcs pariiculati. Yetltmciili elongati, filiformes, stricti, unitlori, calycesque lzviusculi. Ln- cinia caZycim ovatLE, acutz. I’etcila oblonga, obtusa, candida. Stamina corollil breviora. Cuuun. Zoc. cit.

OBS. Exernpla hujus speciei nunquam h me visa; attamen ex descriptione et figura Clariss. Cavanillesii speciein ab omnibus esse satis diversam licet judicare. An rectk in hac sectione aut melills in quart& sit collocanda?

103. S. globulifera, gemmifera ; surculis brevibus, foliis surculinis 5-fidis trifidisve nunc simplicibus lanceolatis acutis nristatisque, Aoribus paniculatis, laciniis calycinis ovali- ohlongis obtusis, petalis obovatis.

Lum. Encycl. vi. p . 699. Persoon Synop. i. p . 490. Sternb. S a x f . p . 45.

Habi ta t in cacumine Atlantis. Desfontaiws. v . (v. s. in Herb. Lessertiano, specim. B Clar. Desfontainio commu- nicata.)

Plan tn cEspitosa. Xaclix fibrosa. Stwculi I-2-unciales, foliosi, basi rudimentis foliorum emarcidorum instructi. Caules erecti, filiformes, tripollicares, foliis paucis minutis muniti, glabri. Folia radicalia et surculina, petiolata, 5-fida vel trifida (segmentis lanceolatis), nunc simplicia lanceolata, acuta, set$ diaphanh terminata, triplinervia : nervis divisis. Petioli ciliati. A d l a foliorum gemmis subrotundis, pedunculatis, & foliis (simplicibus) ciliatis appressb imbricatis, posteriorum surcu- lorum formatis instruct=. FEores candidi, S . hypnoicle duplb minores, 5-7 in paniculam dispositi. PediceZZi tenues calycesque pube gSlutinos$ levitkr suppediti. Ln- cinia ctdycina ovali-oblongae, obtusae. Petala obovata,

S. globulifera. Desf. Atlant. ii. y . 342. t . 96. f. 1.

citlyce

calyce dupli, longiora, triplinervia : nervis simplici bus rectis.

013s. S. Iiypnoidi affinis, sed satis distincta.

104. S. hypnoides, gemmifera ; surculis longissimis procumbentibus, foliis iadicalibus quinque- tri-partitisve ; surculinis simplicibus linearibus rigidis cili a t’ is mucronato- aristatis, laciniis calyciiiis triangulari-ovatis aristatis, petalis subrotundo-obovatis.

S. hypnoides. Sp. 1’1.579. FL Dan. t.348. Mill. Dict. 12. .C€trds. Aiigl. 152. Lightf . Scot. 224. ?P;th. Brit . 407. Villurs DeZph, iv. p . 674. t . 45. W k l . Sp. 1’1. ii. p . 658. Lapeyr . Pyreit . Sail.if. p . 57. t . 32. Smith Brit. ii. p . 457. Eiigl. Bot. t . 454. (mala.) L a m . Eiicycl. vi. p . 698. Persoon Syilop. i. p . 490. L a m . e t Decancl. Fl. Franc. iv. p . 376.

S. procumbens ; f o l k linearibus integris trifidisque. Wort. Chf . 168. Boy. Lugdb. 453. SUUV. Monsp. 208. Govt. Gelr. 248.

Sedum alpinum, trifido folio. Batil~ Pin. 284. itforis. Hist. iii. p . 479. s. 12. t . 9. f. 26. (bend).

Sedum muscosum, trifido folio. Sedum alpinum 7. P. viscosa, mollior et laxior; floribus majoribus. S. viscosa. €lortorum. y. nngustijoliu, surculis adscendentibus, foliis longioribus. S. angustifolia. IIortidrrnonm. 6. muscosa, dupli, minor et tenerior ; segmentis foliorum.

minimis, floribus minoribus. E . pulchella, robustior ; surculis crassioribus rigidiori bus-

que, gemxnis obtusis confertioribus, foliis surculinis latioribus suprk sulco exaratis, petalis latioribtis.

:3 .\r 2 1Tlrhi f t r f

Sternb. Snsif. p . 45.

R a i i S p . 354. Chis. P a m . p . 491.

Hobitat in alpibus Helveticis, Ailstriacis, Pyrenaicis, Cambro-Gritannicis, AngliLt borealis ; in Scotize inontibus passim; p, y , 6, E in alpibus Scoticis. y . (v. v. spont.)

Herbn ante anthesin densissimb cmpitosa, glaberrinia, posteA laxa, surculosa, villis nnollibus adspersa. Sur- crili procumbentes, longissimi, rigidiusculi, rubescentes. Codes erecti, ~-4-unciales, rubescentes, nitidi, fragiles, 2-4-flori. Folin radicalia quincpe- vel tripartita rarihs indivisa, glabra, margine villis parcis ciliata : segmentis linearibus, aristatis ; surculina omnia inctivisa, linearia, acutissima, arist% long$ terminatd, ad asillas gemmis ovatis, acutis instrncta ; cordirin pauca, lineari-lanceolata, indivisa. Peduiiculi elongati, sub- umiflori calycesque pube hrevissimii viscid& dens& suppediti. Lacinice caZycinci: triangulari-ovatE, trinerves, niucronato-aristatz : niucrone recto. PetuZn subrotundo- obovata, plana, conspicuk triplinervia, candida, apice exths rosea : nervis sirnplicibus, rectis.

105. S. co7icleizsata, surculis procuxnbentibus abbreviatis, foliis radicalibus 5-partitis ; surculinis trifidis : segmentis linearibus glabris aristatis, laciniis calycinis triangnlari- ovatis acutis muticis, petalis ovalibus.

S. condensata. S. densa et lxvis. Hortulanortm. l l ab i tn t in Sponhemiar: rvlpibus ( C h e l i n ) , in alpibus Scoti-

cis (G. Doat). Y. (v. v. spont.)

H e r b a glaberrima, nitida, jucundb viridis, ante anthesin densissimb caespitosa, postinodt surculosa. Srirciili procumbentes, abbreviati, gemmis destituti. Caulks plures, erecti, bi- rarihs tri-pollicares, nudiusculi, glaberrirni,

nitidi,

Gmel. Fl. Bacleii. ii. p . 226. t . 3.

nitidi, 2-3-flori. FoZin radicalia 5-partita ; surculinu trifida ad axillas nuda : segmenta angustk linearia acuta et b r e d aristata. Peclunculi glabri, nitidi, uniflori, in zestivatione curvati. CaLy pube brevissima levitkr instructus : lacinike ovatE, acutz, muticae. I 'etnln ovalia, alba, triplinervia, apice extiis rosea : nervis simplicibus, strictis.

This species appronches near to the preceding ; but having proved it in cultivation, I am now fully satisfied of its being a distinct species. Its habit is so different, that it may be known at all times of the year by it alone. Its siwci i l i are three times shorter than those of hypnoides, always quite smooth and green, never red, and destitute of the bulbous buds so remarkable in S. itypnoides. The latter species is found alike in the plains, as well as on the tops of mountains. The S. coiiclenstttii, 011 the contrary, is met with only in elevated regions. Jt is not confined to one spot alone, but cxtends over all the Scottish inoun- tains.

106. S. eZonc~~l lu , surculis erecbis brevibus, foliis radicalibus 5- tri-fidisve ; surculinis plerumque tridentatis : dentibus mucronulatis, laciniis calycinis ovatis muticis, petalis obovatis.

S. elongella. Engi. not. t. 2277. (exclus. synon. Donn Cantab.) Conipeiid. 1% Brit. 66.

Hahitot in Angusih Scotiae in rupibus humidis juxta Lin- tratlien. G . D o n . 'y . (v. v. c.)

S m i t h in A c t . SOC. Lirin. x. p . 340.

I-lerbn clensissimi: cxspitosa, ante antliesin glaberriina, yost- modhm villis tenuissimis parcissimk instrueta. Swczili erccti, breves, rigidiiisculi, basi foliis ernarcidis crebrk

instruct i

instructi. CazrZes erecti, bi- rariiis tri-unciales, subnudi, 2-3-flori, glabriusculi. Polin radicalia 5-fida aut trifida, (segmentis lanceolatis,) rarissimi: simplicia ; surculina plerumque tridentata aut rarb indivisa : dentibus lati: ovatis, mucronulatis. Yetioli tenues, dilatati. Pedmz- culi longissimi, uniflori, calycesque pilis glanduliferis levitbr sparsi. Lacillice ca l jc ina ovatx, acutz, muticae, trinerves. I’etaln obovata, utrinque alba, triplinervia : nervis lateralibus, curvatis, ramulosis ; medio simplici, recto.

This species is totally distinct from all the varieties of S . hypnoides, one variety of which is often cultivated in the gardens under the name, and mentioned in Donn’s C a m b ~ i d g e Catalogue. I am therefore happy in having an opportunity of giving a full description of the real plant. In its native habitat it frequently bears long solitary peduncles, terminated by only one flower : but culture alters it in this respect.

107. S . Zeptoph/ZZr, surculis procumbentibus longissimis, foliis radicalibus 5-partitis ; surculinis tripartitis iiidivisisve : segmentis lineari-lanceolatis acutissimis divaricatis, laciniis calycinis oblongo-ovatis, petalis spathulatis integris.

S. leptophylla. PPrsooih S:pop. i. p. 490. S. retroflexa. Ilortzilniiortim. @, angust$&, tenerior ; segmentis foliorum angustioribus. S. angnstifida. Horttikarawum. Habitat cc in alpibus Helveticis, et in Cambro-Britannia:

inontibus; p inmontibus Cambro-Britannicis. x . (v.v. c.)

I’ltrtzta ante anthesin glaberrima, densissimk czspitosa, posstdt lax;> diflusa, surculosa, villis viscidis 1eviti.r

sparsa.

sparsa. Surmli decumbentes, filiformes, graciles, longissimi, virides, gemmis destituti. Caiiles plures, erecti, 3---4i-pollicares, flexuosi, glabriusculi, nitidi, multiflori.

J'oZ~Q radicalia profundk 5part i ta ; surcnlina tripartita rarihs inctivisa, in axillis nuda : segmentis lineari-lanceolatis, acutissimis, aristatis, divaricatis ; lateralibus hori- zontalitkr porrectis. * Flares cerniii, candidi . Pedrin- cuii elongati calycesque pilis glanduliferis suppediti. Laciriia caZycina oblongo-ovat.Lu, trinerves, mucrone re- Aexo apice instruct=. Petala spathulata, intcgerrima, triplinervia : nervis simplici bus, rectis. Stari2ilrcc aqualia ; Jilamcntci alba ; a n t h e m aurenl.

This species, as well as its variety p, is cultivated by my friend Mr. Macnab, of the Royal Botanic Garden, Edinburgh, who received them from Wales. I have since my arrival in London had an opportunity of examining flowering specimens of it. The spreading divaricated segments of its leaves are a very striking character, and readily distinguish it from its congeners ; but nevertheless it affords sufficient marks besides that to rank it as a species.

108. S. htevirens, surculis procumbentibus elongatis, foliis 5---3- partitisve : segmentis linearibus acutis, laciniis calycinis lanceolatis mucronatis, petalis spathulatis emarginatis.

i

Habitat in Scotiae alpibus. G . Don. 21. (v. v. spont.)

Herba 1aetissimP virens, ante anthesin densissimk cmjpitosa, glaberrima, poste2t laxb diffusa, surculosa, villis longis adspersa. Siwciili elongati, procumbentes, gemmis destituti. Cnules pauci, erecti, tripollicares, glabri, oli- gopliylli, subtriflori raritis uniflori. Fdia radicalia 5- pnrtita : snrculina omnia tripartitn : segmentti linearia,

acuta,

acuta, apice recurvata ; cazilinn ima 5-fida, superiora indivisa lanceolata, acuminata. N o r a campanulati, candidi, in ixstivatione cernui. CnZyes pedicellique pube viscid% instructi : lacinia: lanceolatz, trinewes, mucronatz : mucrone recurvo. Petalu spathulata, triplinervia, apice emarginata : nervis simplicibus, strictis, vi- ridihus,

This very distinct and elegant species was first discovered by the late R4r. G, Don of Forfar, on the mountains of Angusshire and Aberdeenshire, where it grows on moist rocks in very elevated situations. I have also observed it myself subsequently on hills to the north of Loch-Lomond. Plants of it from that quarter are now growing in the garden of my highly valued friend, Pa- trick Neill, Esq., Secretary of the Wernerian Natural History and Caledonian ITerticulti~ral Societies of Edinburgh.

In concluding this Monograph, I have to make (p. 348) an important alteration in the specific character of S. Zigzdata, namely, to substitute glabris for utriiique Iiirsritis. ; the pagine of the leaves being qiiite smooth. A similar altcration is also ne- cessary in the description of the same spc ics .

Documents

XIX. A Monograph of the Genus Saxifraga