170 ACT. BOT. 



Potentilla comarum Dec t Europe and Sibiria. 

 This G. differs from Potentilla by a large spon- 

 giose gynophore andpetals acuminate. Pancovia 

 of Heister and Adanson would be the best 

 nante unless Arum becomes again Arisarum 

 as in Tournefort ; but W. has a Pancovia. 



1246, Com. tomentosa Raf. var. villosum 

 Pers. more robust than last,with broader >eaves 

 obi. ellipt. tomentose beneath North Europe 



1247, Com. digitatum Raf. fl. tel. 199 bo- 

 real America to New York, blended with last 

 by our botanists, very distinct by leaves obi or 

 lanceol. smooth, large flowers &c. 



1248, Com. angustifolium R. fl, tel. '200, 

 Origon and Boreal America, Ohio: very pecu- 

 liar, leaves narrow smooth, fl. small &c. 



1249, Var.parvifolium Raf. folioles 5-7srnall 

 smooth cuneate or elliptic, peliol? membntnose, 

 flowers very small, branches uniflore ; Labra- 

 dor, 3 to 10 inches high, folioles less than un- 

 cial. 



1250, DRYAS intcgrifolia Vahl. tenella 

 Pursh Canada, Labrador, Norway/. Loaves 

 ovatobl. acute, base cordate, margin revolute. 



1251, Drt/as crenata Raf. Spetala O. Alps, 

 Canada? leaves subcordate elliptic obt, crenate 

 lobate or crenate serrate : both sp. have 8 pe- 

 tals. 



1252, ALCHEMILLA alpina O AIps> Canada, 

 Mts. of New England. 



1253, Ale /i. vulgaris O Labrador,Europe. 



1254, Alch.pubescensLs'dim. hybrids, of others 

 Europe. 



1255, APHANES arvensis L. ^Ichera. Apha- 

 nes Lam. Europe. 



1256, POTERIUM angustifolium Raf. caule 

 sulcato foiioso, stipulis cristatis, foliolis 5-9 lin- 



