JGI Alir. ROT. 



sinipl. subnudis trifloris. fol. radic. petiolatis 

 quinatis subrot. foiioiis sess. proximisobov. laci- 

 niatis, ciliatis fol. caulinissessil. ternatis parvis, 

 stipulisobl. integris, calicib. obl. obtusiusc. pe- 

 talis obcord. cal, subeq. — In Labrador, near P, 

 emarginata Pursb, bat several disparities,stems 

 4 to G inches with only 2 leaves, flovvers rather 

 lar<Te pale yellow, perenniat 



1203, Pot. tridentata O. from Groenland to 

 Matawan JVIts. in the JSouth only on Mts. and 

 larfrer, 4 to 8 inches high, flowers white. 



1204, Pot. peclinata Raf. Pensylv. Lr. Tor. 

 rare sp. of Canada and Boreal America, not of 

 Pennsylvania: ieaves hardly pinnatiform,rather 

 digitate, 3-7foIioles cuneate narrow pectinate, 

 stipulcs lanceol. 2-3parted. stem bifurcate, calix 

 linear lanceol. hirsute. t The pensyhanica of 

 Beck isa very different plant see 1244. 



1205, Pot. hirsuta Mx. 0. Canada and Al- 

 leghanies, stem simple erect oftensemipedal, in 

 Labradoronly 2 or 3 inches, annual. 



1206, Fot. cespitosa Raf. an villosa ? Pursh. 

 hirsuta cespitosa diflfusa, foK ternatis, radic. pe- 

 tiol. foliolis sessil. obov. lacin. caulinis sessil. fo- 

 liol. obl. stipulis membran. lato lanceol. pedunc. 

 axil. et term. cal. obl. subeq. petalis obcord.cal. 

 brevior — summits of Allegh. Mts. perennial. 

 stems diffuse 2-4 inches long, it differs from P. 

 villosa as described by teaves not tomentose, 

 nor petals Jonger-than calix &c. 



1207, Po^ A^ norvegica O, boreal Europe, 

 Asia T?nd America, here extending as far as Ca- 

 rolina, large plant 2 or 3 feet high, it varies with 

 leaves thin or broad and narrow. Of subg. 

 Aplenta, 



1208, Pot. A. flexuosa Raf. glabriuscula, 

 caule crasso ilexuoso ramoso, fol. pctiol. terna- 



