Scrophulariaceae 359 
A. Plant not viscid-glandular; upper calyx-lobe 2-toothed or emarginate. 
B. Leaves mostly entire; corolla purplish; anther-bearing stamens 2, rudimentary sta- 
mens 2; anthers |-celled; capsule 8-seeded. C. E. 
A. capitata, Gr. 
BB. Leaves mostly dissected; corolla yellow; anther-bearing stamens 4; anthers 
2-celled; capsule 20-seeded. E. 
A. ramosa Gr. 
AA. Plant viscid-glandular; upper calyx-lobe acuminate; leaves mostly entire; corolla 
purplish; anther-bearing stamens 2, antherless stamens 2; anthers 2-celled. U. 
A. viscida How. 
MELAMPYRUM COW WHEAT 
Annual, branching; ours pubescent, 15—-45 cm. high. Leaves opposite; in ours 
lanceolate to linear-lanceolate, 2.5—-6.3 cm. long. Flowers small, solitary in the upper 
leaf-axils or in terminal spikes. Calyx 4-toothed, 2 upper teeth longer. Corolla 2-lipped, 
tube narrow, gradually enlarged above; in ours 8—I12 mm. long, white or whitish with 
yellow lower lip; upper lip compressed, obtuse or emarginate; lower lip spreading or as- 
cending, 3-toothed. Stamens 4. Capsule flat, oblique. Seeds 2—4, smooth. (Gk. 
melas—black, pyros—wheat; referring to the color of the seed of some species.) E. 
M. linare Lam. 
PEDICULARIS LOUSEWORT 
Annual or biennial or perennial. Leaves alternate or opposite or whorled. Flowers 
white or red or purple or yellow, in terminal spikes or racemes. Calyx tubular, cleft on 
lower side and sometimes also on upper, or 2—5-toothed. Corolla strongly 2-lipped; tube 
cylindric; upper lip laterally compressed; lower lip erect or ascending, 3-lobed; lobes of 
lower lip spreading or reflexed, middle one smallest. Stamens 4, 2 shorter. Capsule 
compressed, oblique or curved, beaked. Seeds many, reticulate or pitted or striate or 
ribbed. (L. pediculus—a louse; it was thought these plants caused lice in sheep. ) 
A. Stem-leaves alternate or opposite. 
B. Leaves doubly crenulate; corolla whitish or yellowish. W. C. E. 
P. racemosa Dougl. (Hlephant-trunk) 
BB. Leaves or some of them pinnately Pe 
C. Corolla whitish or yellowish. oir 
CD. Radical leaves none. U. 
P, howellii Gray.' 
DD. Radical leaves present. vf 
E. Leaf-lobes linear; calyx 8—10 mm. long; corolla-beak slender, inrolled. 
C. E. i' contorte, Benth. (Elephant-trunk) 
EE. Leaf-lobes lanceolate; calyx about 18 mm. long; corolla-beak wide, 
hood-like. Wea Cink: 
P. bracteosa Benth. 
cc. Corolla‘scarlet or purple. 
F. Corolla beaked. 
- G. Stems leafy; corolla-beak long, thread-like. W.C. E. (P. groenlan- 
dica -surrecta.) I’. groenlandica Retz (Butterfly-tongue) 
GG. Stems scapose or with | pair of leaves; corolla-beak short, conic. C. E. 
P. ornithorhyncha Benth. (Bird-beak) 
FF. Corolla beakless. 
