SCROPnULARIACE^. (fI0W01:T FAMILY.) 301 



laterally compressed, and enclosing the four didynamous stamens ; the lower 

 lip short, 3-lolied : anther-cells ohlong-linear, unequal ; the outer one fixed by 

 the middle, the inner pendulous. Capsule loculicidal, many-seeded. — Herbs, 

 with alternate entire or inciscly-lohed leaves, the uppermost colored. Flowers 

 in leafy spikes or racemes. 



1. C. COecinea, Sj)rcng. Stem hairy; radical leaves clustered, nearly 

 entire; those of the stem pinnatifid, with the lobes linear; the floral ones 3- 

 lohed, briirht scarlet at the summit; corolla greenish-yellow. — Damp soil in 

 the upper districts. June - Aug. (2) — Stem 1° - 1 ^-° high. 



22. SCHWALBEA, L. 



Calvx tubular, oblique, 10- 12-ribbed, 4-toothed, the upper tooth very small, 

 the lowest elongated, 2-cleft. Corolla bilabiate ; the upper lip oblong, arched, 

 enclosing the four didynamous stamens ; the lower rather shorter, obtusely 

 3-lobed : anther-cells parallel, equal. Capsule oblong, acute, loculicidally 

 2-valvcd, many-seeded. 



1. S. Americana, L. — Sandy pine barrens, Florida to Mississippi, and 

 northward. INLiy and June. ![ — Stem simple, 1°- 1^° higli, pubescent. Leaves 

 alternate, lanceolate, entire, sessile; the lower ones oblong, the up])ermost linear, 

 small. Flowers iu a spiked raceme. Corolla I' long, yellow and purple. 



23. PEDICULARIS, L. 



Calyx tubular, more or less cleft at the apex, variously 2 - .'S-toothcd. Corolla 

 bilabiate; the u])per lip compressed, curved and bearded at the apex, enclosing 

 the 4 didvnanious stamens ; the lower lip 2-crested above, 3-lobed, Avith the 

 lateral lobes larger and rounded : anthers transverse. Capsule ovate or lanceo- 

 late, compressed, the upper portion empty. — Herbs, with finely and pinnately 

 divided leaves. Flowers in leafy racemes or spikes. 



1. P. Canadensis, L. Stem simple, hairy (6' -9' high): leaves alter- 

 nate, smooth, oblong or lanceolate, pinnatifid ; the lobes oblong, simply or 

 doul)!y crenate ; spike dense, capitate, elongated in fruit; corolla pale yellow 

 and purple ; the upper lip hooked, 2-awned under the apex ; capsule lanceolate, 

 exserted. — Shady woods and banks, Florida to Mississippi, and northward. 

 March and April. 1]. — Stem bearing slender leafy and rooting runners. Fruit- 

 ing spike 3' -5' long. 



2. P. lanceolata, Michx. Stem tall (l°-3°), smooth, simple or spar- 

 ingly brand led ; leaves nearly opposite, lanceolate, pinnately toothed, the teeth 

 crenate ; spike dense ; corolla pale yellow, the upper lip curved, awnless, the 

 lower erect; capsule ovate, scarcely exserted. — Swamps on the mountains of 

 North Carolina, and northward. Aug. and Sept. 



24. MELAMPYRUM, Toum. 



Calyx bell-shaped, with 4 subulate teeth. Corolla bilabiate ; the tube dilated 

 above ; the upper lip short, compressed, obtuse, straight ; the lower rather longer, 

 2G 



