Family, Mint. Color, pale greenish yellow. Calyx, bell-shaped, with 5 unequal teeth. Corolla, 2-lipped, the upper lip 2-lobed, lower 3-divided, with the middle lobe wavy, toothed. Stamens, 4, in pairs, which cross one another. Flowers, in terminal spikes, 2 to 6 inches long, thickly interspersed with long, pointed bracts. Leaves, coarsely toothed, petioled, ovate, acute.

A very tall mint, 6 feet high or less, with a stout, smooth, sharply 4-angled stem. Vermont to North Carolina, west to Texas.