334 NORTH AMERICAN FLORA [Voruomy 22 
112. Potentilla flabellifolia Hook.; T. & G. Fl. N. Am. 1: 442. 1840. 
Potentilla gelida 8S, Wats. Proc. Am. Acad. 8: 559, 1873. Not P. gelida Meyer. 1831. 
Perennial ; stems froma scaly rootstock, minutely puberulent, 2-3 dm. high, few-leaved ; 
stipules usually very broad, elliptic and obtuse, thin, 0.5-1 cm. long; leaves ternate, 
very thin, short-pubescent or glabrate; leaflets cuneate-flabelliform, rarely broadly obovate, 
sometimes petiolulate, deeply incised-serrate with obtuse teeth, entire toward the base and 
the lateral ones somewhat oblique ; flowers 1.5-2 cm. in diameter; hypanthium minutely 
puberulent, or glabrous, in fruit nearly 1 cm. in diameter; bractlets oval, obtuse or acutish, 
about equaling the ovate acute sepals, which are 5-6 mm. long; petals obovate, cuneate, 
‘deeply emarginate, 8-10 mm. long; stamens about 20; pistils many; styles filiform. 
TYPE LOCALITY: Summit of Mount Ranier, Washington. 
DISTRIBUTION : Mountains from British Columbia to central California. — . 
ILLUSTRATIONS: Lehm. Rev. Potent. p/. 51; Mem. Dep. Bot. Columbia Univ. 2: #/. 31, 
f. 6-10. 
113. Potentilla Friesiana Lange, Fl. Dan. 17": 8. 1880. 
Potentilla maculata Fries; Lange, Fl. Dan. 1759; 8, asasynonym. 1880. 
Perennial ; stems several from a thick rootstock, 1 dm. high or more, ascending or 
erect, pilose with long hairs; basal leaves numerous, short-petioled, glutinous, long-pilose, 
especially beneath ; stem-leaves 1 or2; leaflets broadly obovate, crenately 3- or 4-toothed at 
the apex; stipules ovate, entire, the lower acute, the upper obtuse; cyme several-flowered, 
ccrisp-lanate and glandular; bractlets elliptic, obtuse, half as long as the ovate acute sepals; 
petals twice as long as the sepals, broadly emarginate; 
TYPE LOCALITY: Kuanersuit, Disco, Greenland. 
DISTRIBUTION: Known only from the type locality. 
ILLUSTRATION: FI. Dan. pf. 2965. 
114. Potentilla fragiformis Willd.; Schlecht. Ges. Nat. Freunde 
Berlin Mag. 7: 294. 1815. 
Potentilla grandifiora fragiformis Seringe, in DC. Prodr. 2: 572. 1825. 
Perennial, somewhat tufted; stems several from the caudex, more or less villous, 
ascending or erect, 1-2 dm. high, few-leaved and few-flowered, with rather long erect 
branches ; stipules ovate, the lower scarious, brown and acute, the upper herbaceous and 
obtuse or acute; leaves ternate with sessile leaflets, more or less villous, the odd leaflets 
larger, ovate with cuneate base, the lateral ones obliquely elliptic or obovate, all 
with obtuse and more rounded teeth than in P. emarginata; bypanthium villous, in fruit 
10-15 mm. in diameter; bractlets usually broadly elliptic and obtuse, equaling or often 
exceeding the ovate rather acute sepals, which are 6-7 mm. long; petals obcordate or 
broadly cuneate and deeply emarginate, about 8 mm. long; stamens about 20; pistils 
numerous. 
TYPE LOCALITY: Aleutian Islands. 
DISTRIBUTION : Siberia, and the Aleutian and Behring Sea Islands. 
ILLUSTRATIONS: Lehm. Monog. Potent. p/. 15; Mem. Dep. Bot. Columbia Univ. 2: fl. 31, f. 
115. Potentilla emarginata Pursh, Fl. Am. Sept. 353. 1814. 
Potentilla nana Willd.; Schlecht. Ges. Nat. Freunde Berlin Mag. 7: 296. 1815. 
Potentilla groenlandica R. Br. in Ross, Voy. 142. 1819. 
? Potentilla frigida Grev. Mem. Wern. Soc. 3: 430. 1821. 
Potentilla verna Hook. in Scoresby, Greenl. 431. 1823. 
Potentilla nivea 8 R. Br. Chlor. Melv. 19. 1823. 
Potentilla Fragaria emarginata Seringe, in DC. Prodr. 2: 586. 1825. 
Potentilla nivea arctica Schlecht. & Cham. Linnaea 2: 21. 1827. 
Potentilla nivea concolor G. Don, Gen. Hist. 2: 550. 1832. 
Potentilla fragiformis parviflora Traut.; Nathorst, Oefv. Sv. Vet.-Akad. Férh, 1884: 23. 1884. 
Cespitose perennial, with a short caudex; stems 2-10 cm. high, generally 1-2-flowered, 
pilose or softly villous-hirsute ; stipules ovate or lanceolate, scarious and brown; leaves ter- 
nate, pilose on both sides, short-petioled ; leaflets 0.5-1.5 cm. long, broadly obovate, with 
a cuneate base, and with broad teeth; hypanthium pilose-hirsute, in fruit 5-10 mm. 
broad ; bractlets oblong to elliptic, acute or obtuse, 4-6 mm. long, about equaling the ovate 
