Color, blue. Calyx, bell-shape, 2-lipped, the upper lip with the hood-like swelling which marks this genus. Corolla, rather large, 2-lipped, the lips distinct, but nearly equal in length. Stems, whitish with minute down, 6 inches to 2 feet high, generally simple. Leaves, the upper short - petioled or sessile, thin, linear; the lower, roundish, long-petioled, slightly toothed. Bracts under the flowers, which grow in terminal long racemes or panicles. May to July.