Mr. D. Don's Monograph of the Genus Saxifrage 3§0 



42. S. semipubescens, foliis impetiolatis obIongo-o\ alibos ofctQHl 

 glaberrimis denticulatis, scapo rainoso, tioribus corym- 

 boso-capitatis, petalis ovalibus calycem suba (juantibus. 



S. semipubescens. Sweet. Hort. Suburb. 97. 



Micranthes semipubescens. Haworth Synop. Succul. ap- 

 pend. 321. 



S. marilandica. Hortor. 



Habitat in America boreali? 1/ . (v. v. c.) 



Radix fibris longissimis simplicibus crassis instrncta. Folia 

 impetiolata, patentia, oblongo-ovalia, obtusa, crassius- 

 cula, avenia, supra nitida, margine denticulata. Scopus 



erectus, pedalis et ultra, ramosus, pilis articul.itis <:!;m- 

 duliferis leviter tectus. Rami alterni ; inferiores remoti, 

 divisi ; superiores simplices, conferti. Flores pedicellati 

 in corymbis densis semiglobosis dispositi. Peclicelli elon- 

 gati, unirlori, calycesque pilis glanduliferis instrueti. La- 

 cinict calycime triangulari-ovatae, acutae, sub microscopum 

 trinerves. Petala ovalia, obscure trinervia, rlavida, ca- 

 lycem subaequantia. 



This plant has been cultivated for many years in our gardens 

 under the name of S. marilandica ; hence it is supposed to be 

 native of North America, which is very probable, from its affi- 

 nity with S. pensylvanica. I cannot however find it mentioned 

 in any of the books which treat of the plants of that country ; 

 and it does not appear to have been even taken up by any one, 

 until Mr. Haworth, the author of Miscellanea Naturalia and 

 Synopsis of Succulent Plants, noticed it in his appendix to the 

 latter work. No doubt can be entertained of its being suffi- 

 ciently distinct from S. pensylvanica, to which it is nearest allied. 

 It is distinguished from it by its oblong-oval, obtuse, and quite 

 smooth leaves, the margins of which are simply denticulated, 



not 



