Sola'num Dulcama'ra, Dulcamara, Bittersweet, N.F. -- The dried stem with not more than 2 p.c. of foreign organic matter; Europe, Asia (N. America). Climbing pubescent shrub, around dwellings, in thickets; leaves cordate, halberd-shaped, pubescent beneath; flowers purple, whitish; fruit oval red berry, many-seeded. Stem woody at base, branching 3-4.5 M. (10-15 degrees) high, collected when 1-2 years old, autumn or early spring, cut into short sections, 8 Mm. (1/3') long, 5 Mm. (1/5') thick, cylindrical, hollow, angular, striate, warty; bark thin, greenish-brown, glabrous, wood yellowish, in 1-2 concentric rings; odor slight; taste bitter, then sweet. Powder, greenish-yellow -- tracheae with pores, markings, wood-fibers, bast-fibers, cork cells, few hairs, starch grains, numerous microcrystals; solvents: diluted alcohol, water partially; contains dulcamarin (picroglycion, dulcarin) .4 p.c., solanine, resin, gum, wax, benzoic acid, starch, calcium lactate. Narcotic, diuretic, diaphoretic, alterative, deobstruent; large doses produce vomiting, faintness, vertigo, convulsive muscular movements, dryness and constriction of the throat, thirst, diarrhea, weakened heart action, paralysis. Cutaneous eruptions, rheumatism, gout, bronchitis, whooping-cough, nasal, vesical, and pulmonary catarrhs, mania with strong venereal desire, neuralgia. Poisoning: Same as for belladonna. Dose, 3ss-1 (2-4 Gm.); 1. Fluidextractum Dulcamarae (diluted alcohol), dose, 3ss-1 (2-4 cc.).