. 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 . 4. Parnassia palustris L. Marsh or Xorthern Grass-of-Parnassus. Fig. 2148. Parnassia palustris L. Sp. PI. 273. 1753. Scape slender, 3-12' high, bearing a clasping ovate leaf below the middle, or rarely leafless. Basal leaves slender-peti- oled, ovate, obtuse at the apex, usually cor- date at the base, 9"-i8" long; flower 6"- 12" broad; calyx i-i shorter 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 . 4. Parnassia palustris L. Marsh or Xorthern Grass-of-Parnassus. Fig. 2148. Parnassia palustris L. Sp. PI. 273. 1753. Scape slender, 3-12' high, bearing a clasping ovate leaf below the middle, or rarely leafless. Basal leaves slender-peti- oled, ovate, obtuse at the apex, usually cor- date at the base, 9"-i8" long; flower 6"- 12" broad; calyx i-i shorter than the elliptic few-veined sessile petals; stamino- dia 9-15 at the base of each petal, slender, united below. In wet places, Newfoundland. Quebec and Labrador to the Canadian Rocky Mountains and .-Maska, south to Minnesota. Michigan, North Dakota, and in the Rocky Mountains to Wyoming. Also in Europe and Asia. July- Sept. 5. Parnassia parviflora DC. Small-flowered Grass-of-Parnassus. Fig. 2149. Parnassia parviflora DC. Prodr. i: 320. 1824. Scape 4-12' high, very slender, usually bearing a clasping oval leaf at about the middle. Basal leaves petioled, oval or ovate, narrowed at the base, not cordate, 6"-i2" long; flower 4"-8" broad; sepals equalling or somewhat shorter than the elliptic sessile petals; staminodia 5-7 at the base of each petal, slender, united below. In wet places. Newfoundland and Labrador to Alaska, Quebec, Michigan, Wisconsin, and in the Rocky Moun- tains to Colorado and Utah. July-Sept.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
