D. purpurea: biennial; leaves long-stalked, ovate or ovate-lanceolate, coarsely veined, downy; flowering stems 2-4 feet high, terminating in a long stately raceme of purple flowers, the corolla 1 1/2 inch long, beautifully spotted and hairy inside. - Dry hilly wastes, and roadsides. Fl. June to August.