92 MEMOIRS from; THE DEPARTMENT OF BOTANY OP COLUMBIA UNIVERSITY 



Closely resembles P. [mlchclla, but is still smaller and differs in the smaller flowers, 

 the lack of the long hairs, and the stalked terminal leaflet. It is a native of Spitzbergen 

 and Greenland, but one specimen at least has been collected on the arctic coast of the 

 American Continent ; this was sent to Dr. Torrey from Dr. Hooker, under the name P. 

 pulchdJn, but the collector's name does not appear on the label. 



77. Potentilla pulchella R. Br. 



PotftifiJIa pulchella R. Br. in Ross' \''oy. 142 ; Ed. 2, 193. 



Sprengel, Syst. 4 : part 2, 198 ; Seringe in DC. Prod. 2 : 582 ; Lehm. Mon. Pot. 

 Suppl. 1: 14; Stirp. Pug. ;j : 25; Don, Card. Diet. 2: 556; Dietr. Syn. PL 3: 185; 

 Walp. Rep. 2 : 33 ; Ann. 2 : 474 ; Lehm. Rev. Pot. 36. 



Eat. I\ran. Ed. 7 : 459 ; Torr. & Gray, Fl. N. Am. 1: 439 ; Eat. & Wr. N. Am. Bot. 

 374; Wats. Proc. Am. Acad. 8: 554; Rydb., Bull. Torr. Bot. Club, 23: 265. 



R. Br. in Parry's 1st ^^Jy. Supp. 277 ; Hook in App. Parry's 2d Voy. 15 ; Parry's 

 3d Voy. 202; Hook. Fl. Bor. Am. 1: 191 ; Seemann, Bot. Herald, 29 ; Durand, Journ. 

 Acad. Phil. 1856 : 190; Lange, Consp. Fl. Groen. 4^ and 234; Rosenvinge, ibid. 654; 

 Nathorst. Afv. Kong, ^\■t. Ak. F6rh. 1884 : 23 ; Macoun, Cat. Can. PI. 137 and 517. 



Potentilla ^eriem Grev. in ]Mem. Wern. Soc. 3 : 430, Eat. & Wright. N. Am. Bot. 374. 



PotcntiUa Kcilharii Sommerf. (Bidr. Spitzb. Fl.) in Mag. Naturv. 2: 244;* Lindb. 

 Regensb. Bot. Zeit. 2 : 485. 1842.* 



Potentilki viven piilcheUa Durand, Proc. Acad. Phil. 1863 : 94. 1803. 



Illustrations: Lehm. Mon. Suppl. 1: pi 7, f. 1. Fl. Dan. 13: pi. 223^. Plate 

 36, f. 6; dissection of flower, /. 7; pistil, /. ,V; stamen, /. 9; fruiting hypanthium and 

 calyx,/. 10. 



Cespitose, or with short prostrate branches from a perennial caudox covered with the 

 brown scarious stipules. Stem generally less than 1 cm. long, subscapose, few-flowered, 

 Silky-hirsute with yellowish hairs. Leaves short-petioled, pinnate, with 2 pairs of leaflets 

 and a sessile terminal one, yellowish-silky and also a little tomentose beneath; leaflets 

 obovate-cuneate in outhne, deeply dissected into linear-lanceolate segments, the lower pair 

 smaller and often entire. Hypanthium yellowish-silky; bractlets oblong, shorter than 

 the ovate sepals. Petals obovate, retuse, a little exceeding the calyx. 



P. pnJchcUn is generally a very small plant, tufted with many spreading stems from 

 the perenmal root. The stems are generally less than 1 dm. long, but in one specimen 

 seen fully .,. dm . I he leaves ha^■e only two pairs of leaflets, and the terminal leaflet is 



' Also var. elaiior. 



