Scrophulariaceae 555 
ored but not blue nor green. Either anther-bearing stamens 4 and antherless ones 0, or 
else anther-bearing stamens 2 and antherless ones 2 or 0. Capsule loculicidal. Seeds 
few or many. 
A. Leaves alternate. 
B. Leaves entire to pinnately or palmately parted into 3—11 long lobes, sometimes 
the lobes again lobed; upper lip of the corolla not elephant-trunk-like. 
C. Capsule few-seeded; calyx cleft down | side and apparently of 2 sepals; lips 
of the corolla nearly equal. ADENOSTEGIA (p. 358) 
CC. Capsule many-seeded; calyx cleft down | or 2 or 4 sides and apparently of 
4 sepals or rarely of 2 sepals. 
D. Lips of the corolla nearly equal; calyx 2- or 4-toothed. 
ORTHOCARPUS (p. 357) 
DD. Lips of the corolla unequal; calyx 4-toothed. CASTILLEJA (p. 355) 
BB. Leaves either serrate and the upper lip of the corolla prolonged into an ele- 
phant-trunk-like projection, or else leaves pinnately more than 15-lobed or -parted 
into rather wide short lobes. PEDICULARIS (p. 359) 
AA. Leaves opposite or whorled. 
E. Leaves entire or with a few bristle-pointed teeth at base; corolla 8—12 mm. long; 
seeds 2—4. MELAMPYRUM (p. 359) 
EE. Leaves not entire, serrate or crenately dentate to pinnately divided; corolla 
12—40 mm. long; seeds several or many. 
F. Stem without black lines near the top; leaves pinnately veined, either some of 
them pinnately lobed or else the upper lip of the corolla long and elephant-trunk- 
like; corolla white or red or purple or yellow. PEDICULARIS (p. 359) 
FF. Stem with fine black lines near the top; leaves merely crenate-dentate; upper 
lip of the corolla not elephant-trunk-like; corolla yellow. RHINANTHUS (p. 360) 
CASTILLEJA (Castilleia) INDIAN PAINT-BRUSH 
Annual or perennial, parasitic on the roots of other plants. Leaves alternate, entire 
to pinnatifid. Flowers in spikes; spikes terminal, leafy-bracted; bracts often brightly 
colored, sometimes exceeding the flowers. Calyx tubular, laterally flattened, cleft on the 
upper or lower side or both; the 2 lobes entire to 2-toothed. Corolla very irregular, white 
or red or purple or yellow; tube not exceeding the calyx; limb 2-lipped; upper lip (galea) 
arched, elongated, concave or keeled, laterally flattened, entire, enclosing the stamens; 
lower lip short, 3-toothed, 3-keeled or somewhat saccate below. Stamens 4, 2 shorter; 
anther-sacs unequal, the outer attached by its middle, the inner hanging by its end. Cap- 
sule ovoid or oblong. Seeds many, reticulate. (Honor of D. Castillejo, a Spanish bot- 
anisi. ) 
A. Upper bracts of the inflorescence red or purple. Group | (p. 355) 
AA. Upper bracts of the inflorescence green or whitish or yellowish. GROUP 2 (p. 357) 
GROUP | 
A. Bracts of the inflorescence entire. 
B. Plant villous-pubescent thruout. 
C. Annual; bracts linear; corolla 12—20 mm. long. E. (C. minor for our 
region. ) C. exilis Nels. 
CC. Perennial; bracts oblong to broadly cuneate; corolla 25—-30 mm. long. E. 
C. elmeri Fer. 
BB. Plant glabrous except the inflorescence; bracts scarlet. W.C. E. (C. dix- 
onii. ) C. miniata Dousl. 
