Atropa
a genus of plants belonging to the order solanaceæ, or nightshades. It contains the well-known species, A. belladonna, or deadly nightshade. It is three or more feet high, has its ovate leaves paired, large and small together, drooping lurid purple flowers, and blackberries of the size of a small cherry, which if eaten produce delirium, dilation of the pupils of the eyes, and death. The flowers and fruit largely used by the homœopathic school. are both powerful medicinal agents. It is