320 S( l:OIIIlLAKlACE.E. (I'KJWOUT KAIillLV.) 



23. CASTILLEIA, L. 



Calvx tubular, cimi|iiosse(l, deft at tlio siiiimiit; t)ip lohoH entire or 2 cleft. 

 Tube ijf tlif lorolla inchnleil in the tulvx ; tbe upiicr lip long, narrow, curved, 

 laterally conipresseil. and enclosing llie four didvnainourt stamens; the lower 

 lip short, 3-lobed : anther cells oblong-linear, une(iual ; tiie outer one fixed by 

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

 with alternate entire or iiici«ely-lobed leaves, the ujjpcrmo.'^t colored. I'lowcrs 

 in leafy .spiices or racemes. 



1. C. COCCinea, Sprciig. Stem hairy; radical leaves clustered, nearly 

 entire; tiiose of the .stem jdnnatifid, with the lobes linear ; tlie tlonil ones 3- 

 lobed, brigjit scarlet at the summit ; corolla greenish yellow. — Damp soil iu 

 the upper districts. Juno - August. (2) — Stem 1° - 1 ^'^ high. 



24. SCHWALBEA, L. 



Calyx tu1)ular, oblique, 10- 12-ribbed,4-toothed, the uj)per tooth very small, 

 the lowest elongated, 2-cleft. Corolla bilabiate ; tiie u])per lip oblong, arched, 

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

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

 2-valved, many-seeded. 



1. S. Americana, L. — Saudy pine barrens. May- June. % — Stem 

 simple, \°- \^° liigh, pubescent. Leaves alternate, lanceolate, eutire, sessile; 

 the lower ones oblong, the uppermost linear, small. Flowers in a spiked 

 raceme. Corolla 1' long, yellow and purple. 



25. PEDICULARIS, L. 



Calyx tubular, more or less cleft at the apex, variously 2-5-toothed. 

 Corolla bilabiate ; the upper lip compressed, curved and bearded at the apex, 

 enclosing the 4 didynamous stamens ; the lower lip 2-crested above, 3-lobed, 

 with the lateral lobes larger and rounded: anthers transverse. Capsule 

 ovate or lanceolate, 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, smuotli, oblong or lanceolate, pinnatifid; the lobes oblong, simply or 

 doubly crenate ; spike dense, cajiitate, elongated in fruit ; corolla pale yellow 

 and purple ; the upper lip hooked, 2-awued under the apex ; capsule lanceo- 

 late, exscrted. — Shady woods and banks. — March - A pril. ^ — Stem bear- 

 ing slender leafy rooting runners. Fruiting spike 3'- f>' long. 



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

 ingly branched ; leaves nearly opposite, lanceolate, pinnately toothed, the 

 teeth crenate; spike dense ; corolla pale yellow, the up])er lip curved, awnless, 

 the lower erect ; capsule ovate, scarcely exserted. — Swamps on the moun- 

 tains of North Carolina, and northward. August -Sept. 



26. MELAMPYRUM, Tourn. 



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

 dilated above ; the upper lip short, compressed, obtuse, straight ; the lower 



