418 Mr. I). Don's Monograph of the Genus Saxifraga. 



ciliatis ; caulina omnia indivisa, lanceolata, acuminata. 

 Flores magni, Campanulati, albi. Calyces peclicellique 

 pilis glanduliferis obsiti : lacinia; ovata?, trinerves, mucro- 

 natae, mucrone recurvo. Petala obovata, triplinervia : 

 nervis simplicibus, rectiusculis. 



76. S. affirm, surculis procumbentibus, foliis 5-partitis : segmen- 

 tis linearibus mucronatis, laciniis calyeinis linearibus aris- 

 tatis, petalis oblongis : marginibus intlexis. 

 Habitat 7/ . (v. v. c.) 



llerba jucunde virens, vilHs mollibus et viscidis adspersa, 

 ante anthesin dense caespitosa, postea laxa, surculosa. 

 Surculi procumbentes, elongati, rubescentes, villis vis- 

 cidis parce ins true ti. Caules adscendentes, tripollicares, 

 laeves, nitidi, pauciflori. Folia radicalia 5-partita, sur- 

 culina plerumque tripartita : segmenta linearia, mucro- 

 nata : mucrone recurvo aristato ; caulina omnia indivisa, 

 linearia, mucronata. Pedicclli elongati, uniflori, calyces- 

 que pube viscida obsiti. Flores albi praccedente minores. 

 Catych lacinia: lineares, trinerves, aristata\ Petala ob- 

 longa, triplinervia, margine intlexa : nervis rectiusculis, 

 simplicibus. 



I first noticed this species in the Royal Botanic Garden at 

 Edinburgh, where the zeal and industry of my esteemed friend 

 Mr. Macnab has brought together so many rarities. There I 

 observed it for several years successively ; and having since seen 

 it in several collections about London, I am convinced of its 

 being sufficiently distinct from its nearest ally S. ojugifolia, with 

 which it is not unfrequently confounded. Both it and ajugifolia 

 being cultivated together in the Edinburgh Botanic Garden, on 

 comparing them 1 found the following, and which subsequent 



obser- 



