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 . 38 ASCLEPIADACEAE. Vol. 3. Vincetoxicum hirsiitum (Michx.) Vincetoxicum. Fig. 3418. Gonolobns hirsutus Michx. Fl. Bor. Am. i : 119. hirsutum Britton, Mem. Torr. Club 5 : 266. 1894. Stem down}, slender. Leaves ovate, acuminate atthe apex, deeply cordate at the base, downy, 2-4long, i-2i wide, the sinus narrow, or the lobessometimes overlapping; petiol
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 . 38 ASCLEPIADACEAE. Vol. 3. Vincetoxicum hirsiitum (Michx.) Vincetoxicum. Fig. 3418. Gonolobns hirsutus Michx. Fl. Bor. Am. i : 119. hirsutum Britton, Mem. Torr. Club 5 : 266. 1894. Stem down}, slender. Leaves ovate, acuminate atthe apex, deeply cordate at the base, downy, 2-4long, i-2i wide, the sinus narrow, or the lobessometimes overlapping; petioles slender, pubescent,¥-2 long; peduncles usually about equalling thepetioles, sometimes longer; umbels few-several-flowered; corolla brown-purple to greenish yellow,ovoid in the bud, its segments oblong, very obtuse,3-4 long, minutely puberulent without, about 4times as long as the densely pubescent calyx; crowncup-shaped, fleshy, about as high as the anthers, themargin lo-crenate; follicles lanceolate, 3-5 long,muricate, puberulent; seeds entire. In thickets, Maryland to Florida, west to milkweed. Negro-vine. July-Aug. 4. Vincetoxicum obliquum (Jacq.) Britton. Fig. 3419- Cynanchum hirtum L. Sp. PI. 212. 1753?Cynanchum oh
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
