. 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 . I. Dryas octopetala L. White Mountain Avens. Fig. 2284. Dryas octopetala L. Sp. PI. 501. 1753. Dryas chamaedrifolia Pers. Syn. 2: 57. 1807. Stems prostrate, woody at the base, branched, 3'-6' long. Stipules linear, ad- nate to the petiole; leaves oval or ovate, coarsely crenate all around, green and gla- brous above, densely white-canescent be- neath, generally obtuse at eac
. 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 . I. Dryas octopetala L. White Mountain Avens. Fig. 2284. Dryas octopetala L. Sp. PI. 501. 1753. Dryas chamaedrifolia Pers. Syn. 2: 57. 1807. Stems prostrate, woody at the base, branched, 3'-6' long. Stipules linear, ad- nate to the petiole; leaves oval or ovate, coarsely crenate all around, green and gla- brous above, densely white-canescent be- neath, generally obtuse at each end, i'-i' long; scape terminal, erect, i'-5' long, pubescent; flower white, about i' broad; sepals linear, acute or acutish, glandular- pubescent, persistent; style about i' long, plumose and conspicuous in fruit. Labrador and Greenland and throughout arctic .America, south in the Rocky Mountains to Utah, Colorado, and to British Columbia. Also in arctic and alpine Europe and Asia. Wild betony. June-Aug.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
