An illustrated flora of the 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 Addison Brown's Leather-flower. 945- C. Addiso)ui Britton, Mem. Torr. Club 2: 28. 1890. Viorna Addisonii Small, Fl. SE. U. .S. 439. 1903. .'\scending or suberect, l°-3° long, simple or branched, tufted, glaucous and glabrous. Lower leaves simple, entire or 1-4-Iobed, obtuse, deep bluish-green above, glaucous be


An illustrated flora of the 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 Addison Brown's Leather-flower. 945- C. Addiso)ui Britton, Mem. Torr. Club 2: 28. 1890. Viorna Addisonii Small, Fl. SE. U. .S. 439. 1903. .'\scending or suberect, l°-3° long, simple or branched, tufted, glaucous and glabrous. Lower leaves simple, entire or 1-4-Iobed, obtuse, deep bluish-green above, glaucous beneath, sessile, clasping, 2'-4' long; upper leaves pinnate, or sometimes simple, tendril-bearing; leaflets 2-4, ovate, sessile; flowers solitary, terminal and axil- lary, purplish, nodding; ovoid, 9'-is' long, s'-y' broad, contracted near the summit; sepals thick, lanceolate, acute, their tips re- curved ; stamens numerous, pubescent above, filaments twice as long as. the anthers; achenes flat, nearly orbicular, silky-pubescent; persistent styles I'-iY long, brownish-plumose throughout. Banks, southwestern Virginia and North Caro- lina : recorded from Tennessee. May-June. Clematis viornioides Britton is a hybrid between this and V. Viorna, Roanoke, Va. 3. Vioma Pitcheri (T. & G.) Britton. Pitcher's Leather-flower. Fig. 1946. Clematis Pitcheri T. & G. Fl. N. A. i: lo. 1838. V. Simsii Small, Fl. SE. U. S. 438. 1903- Not Clematis Simsii Sweet. A high climbing vine, the branches more or less pubescent. Leaves pinnate; leaflets entire, lobed or trifoliolate, thick, reticulated, generally mucronate: flowers solitary; calyx campanu- late, less than i' long, purplish, pubescent; sepals with recurved margined tips; filaments hairy; persistent styles more or less pubescent. about 1' long. Southern Indiana to Missouri. Nebraska and Texas. May-Aug.


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