A. Belladonna: stems stout, erect, branching, glabrous or slightly downy, three feet high; leaves stalked, large, ovate, entire, with a smaller one usually proceeding from the same point; flowers solitary, in the forks of the stem, and in the axils of the leaves, lurid purple; berry large, globular, shining black, surrounded by the leafy calyx-lobes. - Dwale. - Waste stony places. Fl. June to August.