310 SCROPHULARIACE2E. (FIGWORT FAMILY.) 
23. PEDICULABIS, Tourn. Lousewort. 
Calyx tubular or bell-shaped, variously 2-5-toothed and more 
or less cleft in front. Corolla strongly 2-lipped ; the upper lip 
arched, flattened, often beaked at the apex ; the lower erect at the 
base, 2-crested above, 3-lobed, the lobes commonly spreading, the 
lateral ones rounded and larger. Stamens 4, under the upper lip . 
anthers transverse ; the cells equal, pointless. Pod ovate or lance¬ 
olate, mostly oblique, several-seeded. — Perennial herbs, with 
chiefly alternate pinnatifid leaves, the floral bract-like. Flowers 
spiked, rather large. (Name from pediculus , a louse, of no obvious 
application.) 
1. P. Canadensis, L - (Common Lousewort. Wood Bet- 
ony.) Hairy; stems simple, low, clustered ; leaves scattered, t ic oic 
est pinnately parted ; the others half-pinnat.ijid ; spike short and dem ’ 
calyx split in front, otherwise almost entire, oblique ; upper lip o t ie 
(dull greenish-yellow and purplish) corolla hooded, incurved, 2-toot 
ed under the apex ; pod compressed , somewhat sword-shaped. °P &e “' 
and banks, common. May-July. —Plant 5 f - 12' high. 
2. P. lanceolata, Michx. (Tall Lousewort.) Stem up 
right, tall (1°-2P high), nearly simple, leafy, mostly smooth; leaves 
partly opposite , oblong-lanceolate , doubly cut-toothed; spike crow e > 
calyx 2-lobed; upper lip of the (pale yellow) corolla incurve 
bearing a short truncate beak at the apex ; the lower erect, so as near 
ly to close the throat; pod ovate , scarcely longer than the ca ‘^' . 
pallida, Pursh.) —Swamps, Connecticut to New Jersey an 
Aug., Sept. — Calyx-lobes leafy-crested: corolla 1' long. 
24. MEEAMPYRENI, Tourn. Cow- wheat. 
Calyx boll-shaped, 4-cleft; the taper lobes bristly-pointed, the 
posterior usually larger. Tube of the corolla cylindrical, 
ing above; upper lip arched, compressed, rectilinear in front, ra 
er shorter than the lower lip, which is erect-spreading, biconvex, 
3-lobed at the apex. Stamens 4, under the upper lip • ant ers 
approximate, oblong, nearly vertical, hairy, the equal cells minu 
ly pointed at the base. Ovary 2-celled, with 2 ovules in each c 
Pod flattened, oblique, 1-4-seeded. — Erect branching annU ^j 
with opposite leaves, the lower entire, the upper mostly larger 
fringed with bristly teeth at the base. Flowers solitary in the ^ 
ils of the upper leaves, or crowded in leafy spikes. (Name c 
posed of pe\as, black , and 7 rvpos, wheat , from the color o 
seeds, as they appear mixed with grain.) 
