. 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. Botany. 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; t
. 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. Botany. 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
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