stem herbaceous, much branched from the base; branches filiform, dichotomous, diffused, minutely hairy; leaves alternate or opposite at the base, lanceolate, with incrassate, denticulated margins, glabrous; peduncles elongate, axillary, and terminal, capillary, 1-flowered; tube of calyx hemispherical, twice shorter than the setaceous lobes; corolla tubulose, 5-lobed at the apex, nearly as long as the calyx; capsule subglobose. A small annual, 3–4, inches high, with opposite, lower, and alternate upper branches. Leaves 3–4 lines-long, 1 line wide, upper ones narrow, 2–1 line wide, spreading or recurved. Peduncles 1/2 inch long. Flower 1–1 1/2 line. Style glabrous, as long as the corolla. Capsule, which I have not seen in a ripe state, is described by Dr. Buek as 5-celled, scarcely 1 line in diameter.
