SAXIFRAGACE/E. I. SAXIFRAGA. 



207 



Petals white or pale red, furnished at the base with red and 

 yellow spots. 



Far. ft, dentata (Haw. enum. sax. p. 53.) leaves reniform, 

 round, crenately toothed ; petals marked with yellow and red 

 dots. 2/ H. Native on the mountains of Ireland. Robert- 

 sdnia dentata, Haw. syn. p. 323. Sax. dentata, Loud. hort. 

 brit. p. 176. 



Var. y, crenata (Haw. 1. c.) hairy; leaves reniform, round, 

 bluntly crenated. If. . H. Robertsonia crenata, Haw. 1. c. S. 

 crenata, Loud. hort. brit. p. 53. 



Var. S, polita (Haw. 1. c.) hairy ; leaves reniform, roundish, 

 sharply toothed, with the surface naked and smooth. If.. H. 

 Native on the mountains of Ireland. Roberts6nia polita, Haw. 

 I.e. S. polita, Loud. hort. brit. p. 176. 



Geum Saxifrage. Fl. May, July. Ireland. PI. 1 foot. 



5 S. HIRSU TA (Lin. spec. 574.) leaves oval, acutely serrated, 

 rounded at the base or cordate, pilose on both surfaces, when 

 adult erect ; petioles very long, nearly terete, villous ; pedicels 

 elongated, 1 -flowered. I/. H. Native of the Pyrenees and 

 Ireland, on moist rocks ; in Ireland on mountains in the county 

 of Kerry. Lapeyr. fl. pyr. sax. p. 45. t. 23. Smith, engl. bot. 

 2322. Sternb. sax. p. 14. Robertsonia hirsuta, Haw. enum. 

 sax. p. 54. Petals white, furnished with numerous red and 

 yellow dots. S. hirsuta, var. a, serrata, Arnott, in D. C. prod. 



4. p. 42. S. elegans and S. gracilis, Mack, ex Hook, in litt. 



5. polita, Link, et Hort. 



Var. ft ; leaves roundish, cordate, glabrous on both surfaces. 



Var. y, sphceroidea (Haw. enum. sax. p. 54.) leaves broadly 

 oval, somewhat cordate, bluntly crenated, with the surface 

 naked. If. . H. Native of the Pyrenees. Robertsonia sphse- 

 roidea, Haw. syn. 32?. S. sphaeroidea, Loud. hort. brit. 176. 



Hairy Saxifrage. Fl. May, June. Ireland. PI. -|- to 1 ft. 



6 S. UMBROSA (Lin. spec. p. 574.) leaves obovate, retuse, 



cartilaginously crenated, quite glabrous, crowded and spreading 



in the adult state ; petioles short, compressedly dilated ; pedicels 



iew-flowered. 1. H. Native of the Pyrenees and Ireland, 



n the clefts of rocks and on the mountains. In several parts 



of Ireland ; plentiful on a mountain called the Mangeston, county 

 of Kerry ; on the mountains of Sligo ; on Croagh Patrick, near 

 the Lake of Killarney, in great abundance ; in Thorp Arch 

 woods, near Wetherby, Yorkshire ; betwixt Arncliffe and Hor- 

 ton, in Craven. Mill. fig. 141. f, 2. Lapeyr. pyr. sax. p. 44. 

 t. 22. Smith, engl. bot. 633. Sternb. sax. p. 14. Robert- 

 sonia umbrosa, brevipes, et 16ngipes, Haw. sax. p. 55. S. spa- 

 tularis, Brot. fl. his. 2. p. 1 72. Petals oval, of a reddish white 

 colour, full of scarlet and yellow dots, with 3 conspicuous 

 branched nerves. The plant is very variable in habit. 



Var. ft, punctata (D. Don, in Lin. trans. 13. p. 352.) leaves 

 roundish, sharply serrated : adult ones erect ; petioles longer. 



. H. Native of Siberia and Ireland, on the mountains ; also 

 of Kotzebue's Sound. S. punctata, Lin. spec. p. 574. Sternb. 

 suppl. f. 1. S. gracilis, Step, in Sternb. sax. suppl. 1. p. 5. t. 5. 

 but not of Schleich. S. geum, herb. Patrin. S. semidecandra, 

 Worsm. and S. sestivalis, ex Fisch. in litt. Robertsonia punc- 

 tata, Haw. enum. sax. p. 55 Gmel. sib. 4. p. 161. no. 71. t. 66. 



Var. y, serratifblia (D. Don, in Lin. trans. 13. p. 352.) 

 leaves oblong-ovate, deeply serrated : adult ones erect ; petioles 

 longer. If. . H. Native of Ireland, on the mountains. S. 

 serratifblia, Mackay, in lit. Robertsonia punctata ft, serrata, 

 Haw. enum. sax. p. 55. 



Shady Saxifrage, None-so-pretty, or London-pride. Fl. April, 

 June. Ireland. PI. -| to 1 foot. 



7 S. cuNEirbLiA (Lin. spec. p. 574.) leaves cuneiform, re- 

 pandly crenated, glabrous : adult ones crowded, spreading ; 

 petioles linear, very narrow, naked ; calycine segments oblong, 



acute; petals spatulate. 1.H. Native of the Pyrenees, Alps 

 of Switzerland, Styria, Hungary, and Norway. Scop. earn, 

 t. 13. Schmied. fasc. t. 12. no. 37. Waldst. et Kit. hung. 1. 

 p. 43. t. 44. Sternb. sax. p. 14. S. punctata, Gunn. fl. norv. 

 no. 1076. act. hafn. 10. p. 445. t. 3. f. 10. Gesn. fasc. 19. 

 t. 12. f. 37. Morretti, tent. sax. p. 31. Gaudin, fl. helv. 3. 

 p. 97. Robertsonia cuneifolia, Haw. enum. sax. p. 56. S. 

 cuneifolia diversifolia, Ser. in Meisn. anz. 1818. p. 73. Plant 

 tufted. Petals spatulate, furnished with a solitary yellow spot. 



Var. ft, Davurica (D. Don, in Lin. trans. 13. p. 354.) leaves 

 opaque, toothed; flowers larger. If.. H. Native of Siberia. 

 S. Davurica, Hort. but not of Willd. Robertsonia Daurica, 

 Haw. enum. sax. p. 56. 



Wedge-leaved Saxifrage. Fl. May, June. Clt. 1768. PL ^ 

 to | foot. 



8 S. PAUCIFLORA (Sternb. rev. sax. suppl. 1. p. 6. t. 4. f. 2.) 

 root tufted ; leaves roundish or ovate-roundish, toothed, cu- 

 neated at the base, running down the petiole, which is short ; 

 petals ovate, unguiculate, longer than the calyx. 7. H. Na- 

 tive of Siberia and Kamtschatka. Petals spotted. 



Few-flowered Saxifrage. PI. -| foot. 



9 S. SPICA'TA (D. Don, in Lin. trans. 13. p. 354.) leaves on 

 long petioles, orbicularly cordate, sharply serrated, veiny, pilose; 

 petioles dilated at the base ; raceme elongated, spike-formed ; 

 calycine segments very short. If. . H. Native of Sledge 

 Island, on the west coast of America. S. geum, Pursh, 

 fl. amer. sept. 1. p. 311. but not of Lin. Plant tufted. Petals 

 elliptic-oblong, dotted, 3-nerved, with the nerves branched. 



<$7M'A:e-flowered Saxifrage. PI. 1 foot. 



10 S. NELSONIA'NA (D. Don, in Lin. trans. 13. p. 355.) leaves 

 orbicularly-cordate, somewhat peltate, deeply serrated ; petioles 

 very long, filiform ; thyrse ovate. I/. H. Native of the north- 

 west coast of America, at Cape Newnham, and at Kotzebue's 

 Sound. Hook, et Arn. in Beech, bot. p. 124. t. 29. Flowers 

 on short pedicels ; petals oval, white, dotless ; filaments white. 

 A beautiful species. 



Nelson's Saxifrage. PL -| to 1 foot. 



US. ARGU'TA (D. Don, in Lin. trans. 13. p. 356.) leaves 

 roundish-reniform, deeply serrated, glabrous ; petioles filiform ; 

 scape slender, smooth ; calycine segments oblong, acute. If. . H. 

 Native of the western coast of America. Flowers white, size 

 of those of S. stellaris. 



Sharp-cul-\ea\ 7 ed Saxifrage. PI. -j foot. 



12 S. STELLA'RIS (Lin. spec. p. 572.) leaves aggregate, rhom- 

 boid-ovate, sessile, acutely toothed, but narrowed, and quite 

 entire at the base ; petals ovate, acute, equal, unguiculate ; 

 scape nearly simple. %. . H. Native on most of the mountains 

 of Scotland, north of England, and nearly throughout the whole 

 of Europe, Siberia, and the western coast of America, on wet 

 shady rocks, and by the sides of rivulets. Fl. dan. t. 23. Jacq. 

 coll. 1. p. 202. t. 13. Scop. earn. 1. p. 292. t. 13. Smith, 

 engl. bot. t. 167. Sternb. sax. p. 11. S. Nootkana, Moc. icon, 

 ined. t. 422. Spatularia stellaris, Haw. enum. sax. p. 49. 

 Petals white, elegantly 3-nerved, furnished with 2 yellow spots 

 at the base. 



Var. ft, elata (D. Don, in Lin. trans. 13. p. 357.) scapes nu- 

 merous, a foot high. If. . H. Native of Siberia. 



Var. y. angustifolia (D. Don, 1. c.) leaves narrower and 

 longer, with few teeth at the apex. % . H. Native of Siberia. 



Var. c, Schleicheri (D. Don, 1. c.) leaves obovate, repandly 

 crenated ; scapes humble, flexuous. If. . H. Native of Swit- 

 zerland, on the Alps. S. stellaris, Schleich. in litt. 



Var. e, Belldrdi (D. Don, 1. c.) plant stemless ; leaves roundish, 

 repand; flowers sessile. 1{,.H. Native of the Alps of Pied- 

 mont. S. Bellardi, Allion. pedem. no. 1536. t. 88. f. 1. 



