208 



SAXIFRAGACE^. I. SAXIFRAGA. 



Var. , disstmilis ; leaves with deep broad teeth. I/ . H. Na- 

 tive of Scotland, on the western Highlands. S. dissimilis, G. 

 Don, in Loud. hort. brit. p. 176. 



Var. 77, untflbra (D. C. fl. fr. 4. p. 379. var. a.) plant very 

 minute; scapes 1 -flowered. %. H. Native of Switzerland, on 

 the Alps. S. stellaris ft, pumila, Gauditi, fl. helv. 3. p. 100. 



Var. S, acaulis (Hall. fil. in Meisn. anz. 1818. p. 76 ) flowers 

 sessile, in the heart of the leaves. !(. . H, 



Starry Saxifrage. Fl. June, Jul. Scotland. PI. -J- foot. 



13 S. FOLIOLOSA (R. Br. in Parry's 1st voy. app. p. 275.) 

 radical leaves cuneated, a little toothed ; scape divided : branches 

 bearing 1 flower at the apex, covered below by a fascicle of 

 small leaves ; calyx inferior, obovate ; segments of the petals 

 cordate-lanceolate. 1(.H. Native of Lapland, Melville Island, 

 and other arctic islands. S. stellaris y, Lin. fl. lapp. ed Smith, 

 p. 144. t. 2. f. 3. S. stellaris j3, comosa, Willd. spec. 2. p. 641. 



Leafy Saxifrage. PI. \ foot. 



14 S. LEUCANTHEMIFOLIA (Michx. fl. bor. amer. 1. p. 260.) 

 clothed with clammy pubescence ; leaves crowded, lanceolate- 

 cuneated, acutely and coarsely toothed, quite entire at the base ; 

 scape much branched, diffuse ; petals ovate, acute, unguiculate : 

 3 outer ones the largest. 1. H. Native of the Pyrenees; 

 and of North America, in Behring's Straits, Nootka Sound, on 

 the Rocky Mountains, and at Portage, near the source of the 

 Columbia. Lapeyr. pyr. sax. p. 49. t. 25. Hook, in hot. mag. 

 2959. S. Clusii, Gouan. ill. p. 28. exclusive of the synonymes. 

 Ser. in D. C. prod. 4. p. 40. S. ferruginea, Graham in edinb. 

 phil. journ. 1828. p. 348. Spatularia Clusii and S. leucanthe- 

 inif olia, Haw. enum. sax. p. 48. Petals white : 3 outer ones 

 the largest, and with 2 spots at the base : the 2 inner ones much 

 smaller and spotless. 



Var. (3; plant clothed with pubescent tomentum. y.. H. 

 Native of the north-west coast of America, on Dundas Island, 

 in Queen Charlotte's Sound. 



Leucanthemum-leaved Saxifrage. Fl. June. Clt. 1812. PI. 

 i to foot. 



15 S. MELALEU'CA (Fiscli. in Sternb. rev. sax. suppl. S. t. 3.) 

 leaves roundish ovate, acutish, somewhat denticulated, tapering 

 into the petiole, glabrous ; scape few-flowered, also glabrous ; 

 flowers disposed in a somewhat panicled corymb ; calycine seg- 

 ments ovate, acute ; petals unguiculate. I/ . H. Native of 

 Altaia, on the Alps at the river Tschulyschm, and at Lake Te- 

 letskoje Osero. S. elongata ft, glabra, Sternb. rev. sax. p. 9. 

 Petals obovate, pale sulphur coloured, suffused with violet on 

 the outside ; filaments of a pale violet colour. Leaves greenish 

 yellow ; upper part of plant of a deep violet colour. 



Black and white Saxifrage. PI. ^ to ^ foot. 



16 S. STRIGOSA (Wall. cat. no. 448?) lower leaves sessile, 

 somewhat rosulate, oblong-lanceolate, few-toothed, mucronate 

 at the apex, clothed with strigose hairs ; cauline leaves lanceo- 

 late-linear, acute, entire, much smaller than the lower ones ; 

 stem simple, few-flowered, and is as well as the pedicels beset 

 with numerous capitate hairs ; sepals lanceolate, acute ; petals 

 3-nerved, obtuse ; styles very short ; stigmas thickish. 1. H. 

 Native of Nipaul, on the Emodi mountains at Gosainsthan, and 

 at Kamoon. Leaves almost the size and form of those of 

 A'rabis alplna. Filaments flat. 



Strigose Saxifrage. PI. ^ foot. 



1 7 S. SARMENTOSA (Lin. h'l. suppl. p. 240.) stolons or runners 

 creeping ; leaves orbicularly cordate, lobately crenated, pilose, 

 red beneath ; petals unguiculate, the 2 outer ones large and 

 flaccid. I/ . F. Native of China and Japan, in moist places on 

 mountains, among stones. Schreb. mon. dion. p. 16. t. 2. f. 3. 

 Curt. hot. mag. 92. S. stolonifera, Jacq. icon. rar. 1. t. 80. 

 Ligularia sarmentosa, Duval, pi. sec. p. 11. ex Haw. enum. sax. 



p. 50. Diptera sarmentosa, Borkh. in Rcem. mag. 1. p. 29. 

 S. ligulata, Murr. comm. 1781. p. 26. t. 1. S. Chinensis, Lour, 

 coch. p. 281. Petals white : 3 inner ones cordate ; of these 3 the 

 lateral ones are marked by a yellow spot at the base ; and the 

 central one by 2 scarlet spots at the base : but the 2 outer petals 

 are large, flaccid, and 3-nerved. 



Var. ft, cuscutceformis (Ser. in D. C. prod. 4. p. 43.) plant 

 much smaller ; stem usually 3-flowered ; leaves ovate-roundish, 

 coarsely and simply toothed ; flowers less irregular ; petals 

 more acute. 1(..F. Native of China. S. cuscutaeformis, Lodd. 

 hot. cab. t. 186. Ligularia minor, Haw. enum. sax. p. 151. 

 The stolons or runners resemble dodder very much. 



Creeping Saxifrage. Fl. June, July. Clt. 1771; ft 1815. 

 PI. | foot. 



18 S. EROSA (Pursh, fl. amer. sept. 1. p. 311.) leaves lanceo- 

 late, acute, glabrous, runcinately serrated ; panicle divaricate, 

 pyramidal; pedicels elongated, 1 -flowered ; petals oblong-oval, 

 obtuse, unguiculate. 1. H. Native of Carolina, on the higher 

 mountains, in stony rivulets. S. Caroliniana, gracilis, and erosa, 

 Schleich. cat. 1821. p. 63. Robertsonia micranthifolia, Haw. 

 syn. succ. 322. Aulaxis micranthifolia, Haw. enum. sax. 

 p. 47. Petals white, 3-nerved, with a yellow spot at the base. 



Var, ft; leaves hairy. 



.Enwe-leaved Saxifrage. Fl. May.Ju. Clt. 1812. PI. ltol|ft. 



19 S. ? NU'DA (Haw. enum. sax. p. 47. under Aulaxis) 

 leaves naked, doubly and deeply toothed. I/ . H. Native 

 country unknown. 



Naked-leaved Saxifrage. Fl. May, Ju. Clt. ? PI. | to 1 ft. 



SECT. III. LEIOGVNE (from Xttoc, leios, smooth ; and ywr/, 

 gyne, a female ; in reference to the stigmas being beardless). 

 D. Don, in Lin. trans. 13. p. 344. Calyx deeply 5-cleft (f. 

 41. a.). Petals (f. 41. 6.) sessile in most of the species. Sta- 

 mens inserted in the throat of the calyx (f. 41. c.); filaments 

 subulate. Styles straight ; stigmas orbicular, flattish, beard- 

 less. Capsule free from the calyx (f. 41. rf.). Seeds roundish. 

 Humble herbs, rarely subshrubs. Roots fibrous, but in many 

 of the species they are granular. Stems flexuous, usually 

 many-flowered and many-leaved. Leaves in all reniform and 

 lobed. Flowers white or yellow. 



20 S. ROTUNDIFOLIA (Lin. spec. p. 576.) leaves reniform, un- 

 equally and coarsely toothed : cauline ones petiolate ; petals 

 lanceolate, acute. TJ. . H. Native of Austria, Switzerland, and 

 Siberia. Mill. fig. t. 141. Curt. bot. mag. t. 424. Lapeyr. 

 pyr. sax. t. 26. Micropetalum rotundifolium, Haw. enum. 

 sax. p. 16-17. Petals white, marked with scarlet dots, 3-nerved. 



Var. ft, repanda (D. Don, in Lin. trans. 13. p. 361.) plant 

 larger and more robust; leaves broader. If. H. Native of 

 the Alps of Caucasus. S. repanda, Sternb. rev. sax. p. 17. t. 5. 

 S. rotundifolia, Bieb. fl. taur. 1. p. 315. Micropetalum majus, 

 Haw. enum. sax. p. 17. 



Round-leaved Saxifrage. Fl. May, Ju. Clt. 1596. PI. 1 ft. 



21 S. HY'BRIDA (Sternb. sax. p. 17. t. 8. f. 3.) radical leaves 

 petiolate, roundish- cuneated, crenated : cauline ones minute, 

 entire; stem panicled. l/.H. Native of the Pyrenees. Very 

 like S. rotundifblia, but differs in the smaller stature and slen- 

 derer habit ; in the leaves being acute at the base, not cordate, 

 and in the cauline ones being minute, entire, and nearly sessile. 



Hybrid Saxifrage. PI. 1 foot. 



22 S. DivERSirbuA (Wall. cat. no. 452.) leaves thickish, 

 more or less pilose, of many forms ; lower ones cordate, petio- 

 late : cauline ones petiolate, or sessile and stem-clasping, en- 

 tire, of a different colour beneath, reticulately veined, marked 

 above by small depressed dots ; flowers in panicled corymbs ; 

 bracteas and calyxes more or less ciliated with short, capitate 



