Family, Mint. Color, yellow, spotted with purple. Calyx, tubular, downy, especially hairy in throat, with short teeth. Corolla, tubular, its limb 2-divided, the upper lip long, narrow, arching over the stamens, deeply spotted with purple; the lower unequally 3-divided, spreading. Flowers, in heads or clusters, axillary or terminal, surrounded by and mixed with floral bracts which are more showy than the flower, yellow and purple. Stem, perennial, rough, hairy, 2 to 3 feet high. Leaves, lance-shaped or linear, acute at both ends, petioled, distantly serrate. Small ones, sessile, are clustered in the axils of the larger ones. July to October.