384 Mr. D. Don's Monograph of the Genus Saxifraga. 



This plant has never, I believe, been introduced into our gardens ; 

 the Saxifraga pensylvanica /3. being often kept under the name. 



41. S. pensylvanica, foliis impetiolatis lanceolatis sinuato-denti- 

 culatis utrinque pilosissimis, scapo ramoso, floribus co- 

 rymboso-capitatis, petalis linearibus calyce longioribus. 



S. pensylvanica. Linn. Sp. PL 571. (exclus. synon. Plu- 

 ken.) Mill. Diet. n. 8. Willd. Sp. PL ii. p. 640. (ex- 

 clus. synon. Plukenetii.) Lam. Encycl. vi. jd.674. Per- 

 soon Synop. i. p. 487. Hort. Kew. iii. p. 65. Pursh Amer. 

 Septent. i. p. 311. 



S. foliis radicalibus denticulatis, caule subnudo piloso ra- 

 moso, floribus confertis capitatis. Gron. Virg. 49- 



S. noveboracensis. Cold. iSoveb. 105. 



S. pensylvanica, floribus muscosis racemosis. Dill. Elth. 

 337. t. 253. /. 328. (bona.) 



/3. minor, foliis laevioribus. 



Habitat a in Noveboracensis et Virginia? pratis humidis: 

 /3 in hortis colitur. % . (v. v. c.) 



Radix fibris longissimis crassis simplicibus instructa. Folia 

 numerosa, impetiolata, late lanceolata, acuta, sinuato- 

 denticulata, utrinque pilis articulatis tecta, saepius pal- 

 maria, basi angustata. Scapus erectus, sesqui- v. bi-pe- 

 dalis, teres, paniculatim ramosus, pilis articulatis patenti- 

 bus viscidis undique dense tectus. Rami alterni divisi ; in- 

 feriores remoti; superiores approximato-conferti. Flores 

 pedicellati, in corymbis densis semiglobosis dispositi. 

 Pedicelli elongati, uniflori, calycesque pilis glanduliferis 

 densissime obsiti. Lacinia calycis ovatse, acutiusculae, 

 obscure trinerves. Petala linearia, obtusa, uninervia, 

 squalido-alba, calyce duplo longiora. 



42. S. semi- 



