. 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 102d meridian. Botany; Botany. 15. Potentilla emarginata Pursh. Arctic Cinquefoil. Fig, 2241. Potentilla emarginata Pursh, Fl. Am. Sept. 353. 1814. Potentilla nana Willd. 296. 1815. Schlecht. Berl. Mag. 7 : Stems villous-pubescent, tufted, ascending or erect, i'-4' high. Stipules ovate or oblong, membranous, mostly obtuse, entire; leaves 3-foliolate, the basal slender-petioled; leaflets obov
. 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 102d meridian. Botany; Botany. 15. Potentilla emarginata Pursh. Arctic Cinquefoil. Fig, 2241. Potentilla emarginata Pursh, Fl. Am. Sept. 353. 1814. Potentilla nana Willd. 296. 1815. Schlecht. Berl. Mag. 7 : Stems villous-pubescent, tufted, ascending or erect, i'-4' high. Stipules ovate or oblong, membranous, mostly obtuse, entire; leaves 3-foliolate, the basal slender-petioled; leaflets obovate, 2"-6" long, incised-dentate with acute teeth, of which the terminal one is generally the largest, generally villous on both sides, the terminal one narrowed or cuneate, the others sometimes broad at the base; flower solitary, rarely 2, yellow, s"-7" broad; calyx- lobes ovate, obtuse, pilose, equalling the ob- long bractlets, shorter than the obovate ob- cordate petals ; stamens about 20; style filiform ; achenes glabrous. Labrador, Greenland and arctic America to Alaska. Also in eastern Siberia and Spitzbergen. Summer. 16. Potentilla Robbinsiana Oakes. Cinquefoil. Fig. 2242. Robbins' Potentilla Robbinsiana Oakes ; T. & G. Fl. N. A. i : 441. 1840. Potentilla minima A. Gray, Man. 122. 1848. P. frigida A. Gray, Man. Ed. 5, 154. 1867. Not Vill. 1789. Depressed, ¥-2' high, tufted from a thick woody base, villous-pubescent. Stipules ovate, obtusish, loosely villous; basal leaves petioled, 3-folioIate, those of the flowering stem sessile, small and 3-Iobed; leaflets obovate, villous on both sides, and especially so beneath, 2"-4" long, deeply 3-7-dentate above, cuneate or narrowed at the base, obtuse at the apex; flowers solitary, terminal, slender-petioled, yt\- low, about 3" broad; sepals and bractlets nearly equal, obtuse, slightly shorter than the obcordate petals; stamens about 20; style filiform; achenes glabrous. White Mountains of N
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
