JCOSANDRIA POLTGTNIA. 



353 



419. POTENTILLA. Gen.pLs66. 



* Foliis ternatis. 



1. P. assurgen" glabriuscula ; stipulis subulatis, foliis ter- tridentaki 



natis oblongo-cuneiformibus apice tridentatis adpresso- 

 pilosiusculis, corymbo laxo paucifloro, petal is oblongo- 

 obovatis calyce longioribus. — Willd. sp. pi. 2. p. II 10. 



Icon. Jit. kew. 2. t. Q. Engl, lot 



On rocks in Canada and on the highest peaks of the Al- 

 legany mountains, particularly at Grandfather-moun- 

 tains, Carolina. 1}. . June, July. v. s. in Herb. Dick- 

 son. ; v.v. in Hortis. Flowers white. According to 

 Willdenow, and the figure of P. retusa in the Flora 

 Danica, which is quoted as a synonym, the flowers 

 are yellow j but this figure, if correct, presents most 

 ,, certainly a difi^erent plant, as the petals are round, and 

 ,y only the length of the calyx. 



2. P. assurgens, hirsuta; stipulis ovatis integerrimis, foliis emarginala, 



ternatis, foliolis sessilibus approximatis ambitu inciso- 

 dentatis utrinque hirsutis, pedicellis paucis terminali- 

 bus elongatis unifloris, petalis cuneato-oblongis emar- 

 ginatis calyce duplo longioribus. 

 In Labrador. Colmaster. 1/ . v. s. in Herb. Dickson. 

 A small species ; flowers large in proportion. 



3. P. assurgens, lanato-tomentosa ; stipulis ovatis integerri- nivea. 



mis, foliis ternatis, foliolis sessilibus approximatis am- 

 "'■ bitu inciso-dentatis supra hirsutis subtus niveo-tomen- 



tosis, pedunculis paucis terminalibus unifloris, petalis 

 .ioo'^ lato-obcordatis calyce vix longioribus. — fFilld. sp. pi. 2. 

 p. 1109. 

 ,. Icon. Gmel.sib.3.t.36.f.l. Gunn. now. t. 3.f J. 

 In Labrador. Colmaster. % . June^ July. v. s. in Herb. 

 Dickson. Flowers yellow. 



4. P. assurgens, sericeo-villosissima ; stipulis latis membra- villosa. 



naceis integerrimis, foliis ternatis, foliolis sessilibus 

 approximatis ambitu inciso-dentatis, supra villis nitidis 

 adpresso-villosis, subtus cano-tomentosis, pedunculis 

 brevibus aggregatis, petalis obcordatis calyce longio- 

 ribus. 



P. villosa. Pallas in Herb. Lambert. 



On the north-west coast. If., v. s. in Herb. Lambert. 

 This species approaches in general character very near 

 to the foregoing one, but in habit they ditfer striking- 

 ly 3 the last is a more robust plant, covered with shiq- 

 VOL. I. 2 a 



