"Stems 3–5 dm, often branched from the base, bearded at the nodes and sometimes sparsely hairy on the angles; lvs firm, sessile or subsessile, linear or linear-oblong, 2–7 cm × 3–7(–12) mm, tapering at base, entire or with a few low teeth; verticils usually remote, the bracts entire, lance-linear; cal glabrous or with a few hairs on the upper side, the lobes glabrous, narrowly deltoid, nearly as long as the tube. Moist, usually sandy soil near the coast; Mass. to Ga.; also around the head of Lake Michigan. July–Sept. (S. atlantica)"