272 DECANDRIA— DIGYNIA. Saxifraga. 



Sedum tridactylites tectorum. Bauh. Pin. 285. Moris, v. 3. 479. 



sect. 12. t.9.f.3l. 

 Paronychia altera. Dod. Pempt. 112./. 

 P. rutaceo folio. Ger. Em. 624./. 

 Nasturtiolum petroeum. Gesn. Fasc. 1. 26. t. \.f. 34. 

 Rue Pride. Pet. H. Brit. t. 61 ./ 8. 



On walls, roofs, and dry barren ground, common. 



Annual. Jpril, May. 



Root small, tapering. Herb downy and glutinous, tinged with 

 more or less of a rich brown or red hue, and very variable in 

 luxuriance. Stem erect, 3 or 4 inches high, alternately branched, 

 leafy. Leaves fleshy, oblong-wedge-shaped ; palmate in their 

 upper half, with 3 blunt lobes, or pedate with 5, their base 

 elongated and tapering ; the floral ones lanceolate, undivided. 

 Fl. small, white, on alternate, simple, upright stalks. Cat. per- 

 fectly superior, erect, short and obtuse, coloured, clothed with 

 viscid hairs. Pet. obovate, small, white. Stigmas downy. Caps. 

 ovate, membranous, of 2 cells, crowned by the permanent calyx, 

 and clothed with prominent viscid hairs. Seeds small, angular. 



13. S. muscoides. Mossy Alpine Saxifrage. 



Leaves linear, obtuse, smooth, triple-ribbed, undivided, or 

 with two small lateral lobes. Flowers few^, corymbose. 

 Petals nearly linear. Calyx almost naked. 



S. muscoides. IVulf. in Jacq. Misc. v. 2. 123 : 7iot 125. Willd. Sp. 



PL V.2. 656. Don Tr. of L. Soc. v. 13. 437. 

 S. caespitosa. Huds. 181 j excL the sijn. of Linn, and Fl. Dan. 



" Lapeijr. Pyren. 59. t. 35." 

 S. moschata. With. 406. 

 S. n. 988. Hall. Hist. V. 1.422. 

 S. pyrenaica, foliis partim integris, partim trifidis. Hall. Opusc. 292. 



t. 1 . / 1 . Segu. Veron. v. 1 . 45 1 . ^ 9. / 4. 



On rocky mountains, very rare. 



On mountains above Ambleside, Westmoreland. Hudson; con- 

 firmed by specimens sent from thence. Mr. D. Don. Cultivated 

 in Kew garden, in 1781, as the true plant of Hudson. 



Perennial. May. 



Herb composed of many dense, crowded, leafy tufts. Leaves 

 crowded, linear, obtuse, deep green ; strongly triple-ribbed 

 above the base ; smooth on both sides ; slightly fringed occa- 

 sionally ; some of them furnished with 2 lateral lobes, smaller, 

 and more acute, than the middle one. Flowering branches ter- 

 minal, solitary, erect, somewhat downy and viscid, bearing 2 or 

 3 distant undivided leaves, and terminating in 2, 3, or 4, co- 

 rymbose, downy, bracteated, single-flowered stalks. Germen 

 hemisplierical, downy and viscid. Cal. superior, obtuse, nearly 



