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 . ed2illustratedflo02brit Year: 1913 SAXIFRAGACEAE. Vol. II. I. Saxifraga cernua L. Nodding or Drooping Bulbous Saxifrage. Fig. 2166. Saxifraga cernua L. Sp. PI. 403- 1753- Stem weak, slender, ascending, pubescent but scarcely glutinous, 4'--i2' long. Leaves alternate, the basal and lower ones petioled, broadly reniform, palmately 5-7-lobed, usually less than l' wide; upper
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 . ed2illustratedflo02brit Year: 1913 SAXIFRAGACEAE. Vol. II. I. Saxifraga cernua L. Nodding or Drooping Bulbous Saxifrage. Fig. 2166. Saxifraga cernua L. Sp. PI. 403- 1753- Stem weak, slender, ascending, pubescent but scarcely glutinous, 4'--i2' long. Leaves alternate, the basal and lower ones petioled, broadly reniform, palmately 5-7-lobed, usually less than l' wide; upper leaves smaller, sessile, 3-lobed or entire and bract-like, often bearing small bulblets in their axils; flowers 1-3, terminal, nodding, white, 8'-io' broad; petals obovate, sometimes retuse, 3-4 times as long as the ovate calyx-lobes. Newfoundland. Labrador, and through arctic America to Alaska. Also in arctic and alpine Europe and Asia. Summer. 2. Saxifraga rivularis L. Alpine Brook Fig. 2167. Saxifraga rivularis L. Sp. PI. 404. 1753. Densely tufted, glabrous or sparingly pubescent, matted, 1-3' high. Leaves alternate, the basal and lowtr ones slender-pctioled, reniform, 3-S-lobed, seldom more than 3' wide; petioles dilated at the base; upper leaves lanceolate or ovate, entire or slightly lobed, mainly sessile; flowers i-S, terminal, erect, white, about 3'-5' broad; ovate, obtuse, slightly shorter than the ovate-oblong petals; tips of the capsule widely divergent, its base adnate to the calyx. Alpine summits of the White Mountains, Labrador, arctic America and south in the Rocky Mountains to Colorado. -Mso in arctic and alpine Europe and Asia. Summer.
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