. 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 102d meridian. Botany; Botany. URTICACEAE. Vol. I. 4. Urtica chamaedryoides Pursh. Weak Nettle. Fig. 1559. Urtica chamaedryoides Pursh, Fl. Am. Sept. 113. 1814. Annual, sparingly stinging-bristly but other- wise nearly or quite glabrous, stem very slender, weak, ascending, simple or branched, 6'-3° long. Leaves slender-petioled, thin, crenate-dentate, the lower broadly ovate or orbicular, ob
. 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 102d meridian. Botany; Botany. URTICACEAE. Vol. I. 4. Urtica chamaedryoides Pursh. Weak Nettle. Fig. 1559. Urtica chamaedryoides Pursh, Fl. Am. Sept. 113. 1814. Annual, sparingly stinging-bristly but other- wise nearly or quite glabrous, stem very slender, weak, ascending, simple or branched, 6'-3° long. Leaves slender-petioled, thin, crenate-dentate, the lower broadly ovate or orbicular, obtuse at the apex and usually cor- date at the base, i'-ii' wide, the upper ovate or lanceolate, acute or acuminate at the apex, rounded or narrowed at the base, the upper- most very small; stipules lanceolate-subulate; flower-clusters small, glomerate, shorter than the petioles; flowers androgynous. In thickets, Kentucky to Arkansas, south to Georgia and Texas. April-Aug. 2. URTICASTRUM Fabr. Enum. 204. 1759- [Laportea Gaud, in Freyc. Voy. Bot. 498. 1826.] Perennial herbs, armed with stinging hairs, the leaves broad, alternate, serrate, petioled, the flowers monoecious or dioecious, sessile in loose axillary compound cymes. Staminate flowers in our species with 5 imbricated sepals, 5 stamens and a rudimentary ovary. Pistil- late flowers with 4 unequal sepals, the outer 1 or 2 minute, an oblique or nearly straight com- pressed ovary and a subulate slender persistent style; ovule erect. Achene very oblique, flat, reflexed. Seed-coat membranous. Endosperm scanty or wanting. [Latin, star nettle.] About 25 species, mostly of tropical distribution, only the following, the generic type, North American. i. Urticastrum divaricatum (L.) Kuntze. Wood or Canada Nettle. Fig. 1560. Urtica divaricata L. Sp. PI. 985. 1753. Urtica canadensis L. Sp. PI. 985. 1753- Laportea canadensis Gaud, in Freyc. Voy. Bot. 498. 1826. U. divaricatum Kuntze, Rev. Gen. PL 635. 1891. Stem rather stout, erect or
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