. 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. RANUNCULACHAE. Vol. 6. Thalictrum dasycarpum Fisch. & Lall. Purplish or Tall JMeadow- Rue. Fig. 1937. Lall. Ind. Sem. S: 72. 1842. Stout, erect, purplish, 4°-/° high, leafy, branching above, pubescent or glabrous; leaves 3-4-ternate, those of the stem sessile or short- pctioled; leaflets oblong or obovate, dark green above, commonly somewhat pubescent, but ne
. 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. RANUNCULACHAE. Vol. 6. Thalictrum dasycarpum Fisch. & Lall. Purplish or Tall JMeadow- Rue. Fig. 1937. Lall. Ind. Sem. S: 72. 1842. Stout, erect, purplish, 4°-/° high, leafy, branching above, pubescent or glabrous; leaves 3-4-ternate, those of the stem sessile or short- pctioled; leaflets oblong or obovate, dark green above, commonly somewhat pubescent, but neither waxy nor glandular beneath, and with 3 main apical pointed lobes; panicle compound, leafy, 1° long or more; flowers dioecious or perhaps sometimes polygamous; filaments narrow, slightly widened above; anthers linear or linear-oblong, cuspidate; achenes ovoid, glabrous or pubescent, short-stipitate, with 6-8 longitudinal wings. In copses and woodlands. New Jersey to North Dakota, Saskatchewan, Nebraska and Arizona. Illustrated in our first edition as T. purpurascens L. June-Aug. 7. Thalictrum venulosumTrelease. Veiny Meadovv-Rue. Fig. 1938. Thalictrum renulosum Trelease, Proc. Bost. Soc. Nat. Hist. 23: 302. 1S86. T. campestre Greene. Erythea 4: 123. 1896. T. confine Fernald, Rhodora 2: 232. 1900. Glabrous, pale green and glaucous, stem erect, or assnrgent at the base, 6-2° tall. Leaves 3-4-ternate, long-petio!ed; leaflets firm, obovate or suborbicular, rounded at the , cuneate, obtuse or subcordate at the base, 4"-8" long, 3-S-lobed,^ the lower surface rather prominently rugose-veined; panicle narrow, its brandies tiearly erect; flowers dioecious; stamens 8-20; filaments slender; anthers linear, slender-pointed; achenes ovoid, nearly sessile, tapering into a short beak, thick-walled, slightly 2-edged. In gravelly and rocky soil. Nova Scotia to Maine, New York, Manitoba, Washington, South Dakota and Colorado. Has been confused with T. occidentale A. Gray.
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
