IGI Alir. ROT. 



simpl. subiuulis trifloris. fol. radic. petiolatis 

 quinatis subrot. fo'.iolis sess. proximisobov. laci- 

 niatis, ciliatis fol. caulinissessii. ternatis parvfs, 

 s^ipulisob!. integris, calicib. obi. obtusiusc. pe- 

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

 emarginata Pursh, bat several disparities,stems 

 4 to G inchfes with only 2 leaves, flowers rather 

 lar^e pale yellow, perennial.. 



1203, Pot. tridentata O. from Greenland to 

 Matawan Mts. in the vSouth only on Mts. and 

 lari^er, 4 to 8 inches high, flowers white. 



1204, Pot, pectinata Raf. Pensylv. L-. Tor. 

 rare sp. of Canada and Boreal America, not of 

 Pennsylvania: leaves hardly pinnatiform,rather 

 digitate, 3-7folioles cuneate narrow pectinate, 

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

 linear lanceol. hirsute, t The pensylvanica of 

 Beck is *a very different plant see 1244. 



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

 leghanies, stem simple erect often semipedal, in 

 Labrador only 2 or 3 inches, annual. 



1206, "Pot. cespitosa Raf. an villosa ? Pursh. 

 hirsuta cespitosa diflfusa, fol, ternatis, radic. pe- 

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

 liol. obi. stipulis membran. lato lanceol. pedunc. 

 axil, et term. cal. obi. subeq. petalis obcord. cal. 

 brevier — summits of Allegh. Mts. perennial., 

 stems diff'use 2-4 inches long, it differs from P. 

 villosa as described by teaves not tomentose, 

 nor petals jonger-than calix &c. 



1207, Fot. A, norvegica O. boreal Europe, 

 Asia T3nd 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, Fot. A. flexuosa Raf. glabriuscula, 

 caule crasso flexuoso ramoso, fol. petiol. terna- 



