. 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. 1817. Procumbent or floating, glabrous, rooting at the nodes, succulent. Stems branching, 4-15' long; leaves opposite, oval, ovate or spatulate. acute or obtuse at the apex, 6"-i2" long, narrowed into slender peti- oles ; flowers axillary, solitary, sessile, about l" broad; bractlets at base of the calyx usu- ally none: calyx-lobes triangular, acute; pe
. 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. 1817. Procumbent or floating, glabrous, rooting at the nodes, succulent. Stems branching, 4-15' long; leaves opposite, oval, ovate or spatulate. acute or obtuse at the apex, 6"-i2" long, narrowed into slender peti- oles ; flowers axillary, solitary, sessile, about l" broad; bractlets at base of the calyx usu- ally none: calyx-lobes triangular, acute; petals small, reddish or often wanting; cap- sule slightly longer than wide, about ij" high, somewhat exceeding the calyx lobes. In muddy ditches and swamps. Nova Scotia to Manitoba and Oregon, Florida. Louisiana, California and Mexico and the West Indies. Widely distributed in the Old World. Also called false or bastard loose-strife. Water- purslane. Phthisic-weed. June-Nov. 2. LUDWIGIANTHA Small, Bull. Torr. Club, 24: 178. 1897. .Annual or perennial fleshy herbs. Stems prostrate, creeping, usually little branched; leaves opposite, sessile, numerous. Flowers axillary, solitary, perfect, yellow, on slender bracted peduncles. Calyx narrowly obconic, its 4 segments narrow. Petals conspicuous, surpassing the calyx-segments. Stamens 4; filaments elongated, very slender; anthers ovoid. Ovary 4-celled; united styles filiform, elongated; stigma 4-lobed; ovules numerous. Capsules club-shaped, curved at the base at a right angle to the peduncle, about as long as the per- sistent calyx, crowned by a 4-lobed stylopodium. [Derivation as in Ludwigia.] Two species of the southeastern United States, the first typical. Peduncles much longer than the leaves; calyx-lobes linear-lanceolate. i. L. arcuala. Peduncles shorter than the leaves ; calyx-lobes lanceolate. 2. L. brevipcs. I. Ludwigiantha arcuata (Walt.) Small, Long-stalked Ludwigiantha. Fig. 3014. Luduigia arcuata Walt. Fl. Car. 89. 17
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
