. 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. 21. Potentilla pectinata Raf. Coast Cinquefoil. Fig. 2247. Potentilla pectinata Raf. Aut. Bot. 164. 1840. P. litloralis Rydberg, Bull. Torn Qub 23: 264, 1896 Perennial, tufted, stems ascending or decum- bent, branched above, 6-2° high, appressed-silky, or glabrate. Stipules ovate-lanceolate, cleft or entire, acute; basal and lower leaves petioled, pinnately 5-7-foliol
. 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. 21. Potentilla pectinata Raf. Coast Cinquefoil. Fig. 2247. Potentilla pectinata Raf. Aut. Bot. 164. 1840. P. litloralis Rydberg, Bull. Torn Qub 23: 264, 1896 Perennial, tufted, stems ascending or decum- bent, branched above, 6-2° high, appressed-silky, or glabrate. Stipules ovate-lanceolate, cleft or entire, acute; basal and lower leaves petioled, pinnately 5-7-foliolate, the leaflets approximate or apparently digitate; leaflets oblanceolate or obovate, incised-pinnatifid into oblong obtuse segments, grayish-pubescent beneath, green and glabrate above, i'-2*' long; flowers yellow, cymose, 4"-s" broad; petals obovate, equalling or slightly exceeding the ovate acute veined sepals and the lanceolate bractlets; stamens 20-25; style thickened below; achenes glabrous. Coast of Newfoundland and Labrador to Hudson Bay, Quebec and New Hampshire. June-July. 22. Potentilla pennsylvanica L. Prairie Cinquefoil. Fig. 2248. Potentilla pennsylvanica L. Mant. 76. 1767. P. pennsylvanica sirigosa Pursh, Fl. Am. Sept. 356. 1814. P. sirigosa Pall.; Tratt. Ros. Monog. 4:31. 1824. Stem generally erect, 15-30' high, tomentose and more or less villous. Stipules ovate, often much divided; leaves pinnately 5-15-foliolate, grayish tomentose beneath, glabrous above; leaflets oblong or oblanceolate, cleft halfway to the midrib into oblong lobes, margins scarcely revolute; cymes dense, the branches erect; petals yellow, obovate, truncate or slightly emarginate, about equalling the ovate triangular acute sepals and the lanceolate bractlets; stamens 20-25; style thickened below; achenes gla- brous. On plains, Hudson Bay to the Yukon. British Colum- bia, Kansas and New Mexico. Summer. '7. Please note that these images are extracted from scanned page images that m
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
