an annual herb, slightly glandular-puberulous, otherwise glabrous, shining, simple or divaricately branched, erect at first or in flower, afterwards especially in fruit decumbent or ascending, 1/2–2 ft. high, yellowish-green when alive, quickly turning black in drying; stem sulcate; branches opposite, sulcate, slender; leaves opposite or subopposite, pinnatisect, 1/2–2 1/4 in. long; segments filiform, fistular, distant, spreading, 1/8–1 1/8 in. long, with small whitish lenticular or oblong warty tubercles; flowers axillary, several, about 1 1/2 in. long, sulphur-yellow or pale-rosy; peduncles 1/20– 1/6 in. long, bibracteolate at or below the apex; bracteoles filiform, about 1/8 in. long, spreading; calyx campanulate, at length saucer-shaped, deeply 5-lobed; segments from an ovate concave base abruptly produced into an erect or at length spreading acumen, 1/5– 3/5 in. long; Corolla-tube very slender, cylindrical, funnel-shaped towards the apex, about 1 1/2 in. lung, straight or nearly so; limb very delicate, openly spreading-hemispherical, veined, 1/2– 2/3 in. in diam.; lobes 5, rounded, about 1/4 in. in diam.; stamens shortly included within the Corolla-tube; anthers narrowly oblong, about 1/12 in. long; style equalling the stamens; stigma club-shaped, somewhat hairy-glandular, erect; ovary conical, somewhat compressed, glabrous; capsule obliquely rounded at the base, beaked, somewhat compressed, 3/8– 1/2 in. long. null
