36 MEMOIRS FROM THE DEPARTMENT OF BOTANY OF COLUMBIA UNIVERSITY 
ing pubescence tinged with red, at first upright or adsurgent, later decumbent or pros- 
trate and flagelliform, 4-6 dm. long. Stipules ovate or lanceolate, often 2—5-cleft or 
toothed, with acute divisions. Basal leaves with slender petioles 4—6 em. long, silky-stigose, 
digitately 5-foliolate or 3-foliolate with the lateral leaflets divided in two. Leaflets 2-4 
em. long, oboyate or cuneate-oblong, coarsely and generally doubly serrate. Stem leaves 
similar but short-petioled and often somewhat fascicled. Flowers solitary from the axil 
of the second or some subsequent leaves, on slender pedicels 3-10 cm. long, 10-12 mm. in 
diameter. Hypanthium silky, in fruit about 8 mm. in diameter. Bractlets lanceolate, 
about equalling the ovate or lanceolate sepals. Petals yellow, obcordate, exceeding 
the sepals by about one-third. 
Common from Maine and North Carolina to Indian Territory and Minnesota. Ih 
have seen one specimen collected in Nevada by W. H. Shockley, but this was undoubt- 
edly introduced. 
Potentilla Canadensis simplex (Michx.) T. & G. 
Potentilla simplex Michx. Fl. Bor. Am. 1: 308. 1803. 
Poir. in Lam. Enc. Meth. 5: 596; Persoon, Syn. Pl. 2: 55; Nestler, Mon. Pot. 25 & 
40; Lehm. Mon. Pot. 27 & 142; Sprengel, Syst. Veg. 2: 538; Tratt. Ros. Mon. 4*; Ser- 
inge in DC. Prod. 2: 575; Don, Gard. Dict. 2: 52. 
Pursh, Fl. Am. Sept. 354; Ell Sk. Bot. 5. C. & Ga. 1: 574; Nutt. Gen. N. Am. PI. 
1: 310: Eat. Man. Ed. 2: 379; Ed. 3: 407; Ed. 5: 344; Ed. 6: 280: Hid. we 457- 
3igel. Fl. Bost. 124; Ed. 2: 204; Pl. Bost. 917; Bart. Comp. FI. Phil. 1: 286; Torr. FI. 
U.S. 497; Comp. 210; Beck, Bot. 106: Darl. Florula Cest. 65; Fl. Cest. 804; Eat. & 
Wr. N. Am. Bot. 373. 
Lehm. in Hook. Fl. Bor. Am. 1: 192. 
Potentilla Canadensis simplex Yorr. & Gr. Fl. N. Am. 1: 443. 1840. 
Walp. Rep. 2: 34; Ann. 2: 513; Lehm. Stirp. Pug. 9: 72; Lehm. Rev. Pot. 187. 
Gray, Man. Hd. 2: 118; Ed. 5: 154; Wood, Class Book, 348; Wats. Proce. Am. Acad. 8: 
563; Rydb. Fl. Neb. 21: 13; Macoun, Cat. Can. Pl. 141 and 518. 
Potentilla Caroliniana Poir. in Lam. Ene. Meth. 5: 595: Persoon, Syn. Pl. 2: 56. 
Potentilla sarmentosa Muhl.; Willd. En. Hort. Ber. 554; Bigel. Fl. Bost. Ed. 2: 
904: Eat. Man. Ed. 5: 344; Ed. 6: 280; Hd. 7: 457; Bigel. Pl. Bost. 217; Eat. and 
Wr. N. A. Bot. 378. 
Inzusrrations: Nestler, Mon. Pot. pl. 9. f. 2. PLATE 4. f. 1; dissection of flower, 
f. 2; pistil, f. 3; stamen, f. 4; fruiting hypanthium and calyx, f. 5. 
