D. Stramonium: annual; stems coarse, glabrous, 1-2 feet high, with spreading, forked branches; leaves large, ovate, with irregular angular teeth; flowers solitary, on short peduncles, in the forks or at the ends of the branches; calyx loosely tubular; corolla white, fragrant; capsule roundish-ovate, very prickly, with numerous wrinkled seeds. - A roadside weed, but scarcely naturalized. Fl. July.