. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 6. Potentilla NicoUetii (S. Wats.) Sheldon. Nicollet's Cinquefoil. Fig. 2232. Potentilla sufina var. NicoUetii Proc. Am. Acad. 8: SS3. 1873- Potentilla NicoUetii Sheldon, Bull. Geol. Nat. Hist. Surv. Minn. 9 : 16. 1894. to P. paradoxa, but more spreading and more branched; lower leaves only pinnate, with several leaflets; upper leaves 3-foliolate; teeth of
. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . 6. Potentilla NicoUetii (S. Wats.) Sheldon. Nicollet's Cinquefoil. Fig. 2232. Potentilla sufina var. NicoUetii Proc. Am. Acad. 8: SS3. 1873- Potentilla NicoUetii Sheldon, Bull. Geol. Nat. Hist. Surv. Minn. 9 : 16. 1894. to P. paradoxa, but more spreading and more branched; lower leaves only pinnate, with several leaflets; upper leaves 3-foliolate; teeth of the leaflets acute; inflorescence elongated, 'falsely racemose; flowers about zV broad; spar- ingly hirsute, short and broad; bractlets and calyx- lobes ovate-oblong, mucronate, li" long, petals obo- vate-cuneate, about as long as the calyx-lobes; stamens 10-15; style fusiform; achenes corky- gibbous. In sandy soil. North Dakota to Missouri and Kansas. June-Sept. 7. Potentilla millegrana Engelm. Diffuse Cinquefoil. Fig. 2233. Potentilla millegrana Engelm.; Lehm. Ind. Sem. Hamb. 1849 : Add, 12. 1849, Potentilla rivalis var. millegrana S. Wats. Proc. Am. Acad. 8: 553. 1873. Potentilla leucocarpa Rydb. in Britt. & Brown, III. Fl. 2 : 212. 1897. Decumbent or ascending, annual, usually weak and diffusely branched, 6-3° high, softly villous- pubescent, or glabrate. Stipules ovate or ovate- lanceolate, entire or sparingly dentate; leaves all but the uppermost petioled, 3-foliolate; leaflets oblong, cuneate, thin, flaccid, more or less pubescent, incisely serrate, i'-li' long; flowers several, terminal, loosely cymose, yellow, about 2" broad; calyx-lobes ovate, acute, about equalling the lanceolate bractlets, ex- ceeding the obovate petals; stamens about 10; style slightly thickened below, terminal; achenes small, glabrous. In damp soil. Illinois to Minnesota. Manitoba, New- Mexico. California and Washington. May-Sept, t., a western species which may reach o
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