L. sylvatica: stems 1 1/2-2 feet or more; leaves linear-lanceolate, hairy; flowers in large, loose, compound panicles, the perianth-segments broad, bristle-pointed, equalling the capsule. - Woods. Pl May, June.
L. spicata: stems 3-12 inches high; leaves short, hairy; flowers small, in dense clusters, all sessile, forming an ovoid or oblong terminal spike, more or less drooping. - Lofty mountains. Fl. July. [See also p. 73.]