ao, 
ns _ 
358 Scrophulariaceae 
DD. Plant merely puberulent; stem usually with spreading branches above; 
corolla glabrous. E.G. tolmiej H. & A. 
CC. Corolla purple or rose-colored. 
F’. Bracts of the inflorescence not colored, all 3-cleft. W haere 
0. hracteosus Benth. 
FF. Bracts of the inflorescence red or purple, entire or with 2 smaller lateral 
lobes. 
G. Leaves 5—8 cm. long, entire or 3-segmented; bracts purple, ciliate at 
base; calyx 8—12 mm. long; corolla 25 mm. long; capsule ovate. U. 
0. cuspidatus Gr. 
GG. Leaves 2.55 cm. long, all entire; bracts dull-red, glabrous; calyx 
4 mm. long; corolla 8—16 mm. long; capsule obovoid. W. C. 
0. imbricatus Torr. 
AA. Leaves or some of them more than 3-lobed or -segmented. 
H. Corolla 4—6 mm. long, purplish. W. 
0. pusillus Benth. (Red Ant-weed) 
HH. Corolla 10—16 mm. long. 
I. Corolla purplish; bracts very different from the leaves. 
J. Tip of upper lip of corolla hooked, puberulent; bracts obtuse. EF. 
0. tenuifolius Benth. 
JJ. Tip of upper lip of corolla straight, not hooked, glandular-pubescent; 
bracts acute. E. 0. barbatus Cot. 
II. Corolla white or yellowish; bracts not markedly different from the leaves. 
K. Perennial; lower lip of corolla I-saccate; bracts somewhat whitish or yel- 
lowish at the tip. C. 0. pilosus Wats. — 
KK. Annual; lower lip of corolla 3-saccate; bracts not different in color from 
the leaves. E. 0. lacerus Benth. 
HHH. Corolla -20—28 mm. long. 
L. Bracts with white or yellow or crimson or purple tips. 
M. Bracts white or yellow at least at tips; corolla dull-white or purplish tipped, 
its upper lip glabrous; filaments glabrous. W. 
0. castilleoides Benth. 
MM. Bracts crimson or purple at least at tips; corolla crimson or purple, its 
upper lip bearded on the back; filaments pubescent. W. 
0. purpurascens Benth. (Purple Owl-clover) 
LL. Bracts with tips uncolored. 
N. Stem much branched; calyx 10—12 mm. long; its teeth lanceolate, about 
1/3 as long as the tube; corolla yellow: anthers I-celled. W. 
0. erianthera Benth. 
NN. Stem simple or with a few branches above; calyx 4 mm. ‘long; its teeth 
subulate about as long as the tube; corolla cream-color or pale-rose; anthers 
2-celled. U. C. lithospermoides Benth. 
ADENOSTEGIA : 
Annual, branching. — Leaves alternate, narrow, entire to dissected. Flowers in- of 
conspicuous, in terminal leafy-bracted spikes or fascicles. Calyx spathe-like; sepals ap- 
parently |—2 (2 in ours). Corolla purple or yellow, slightly dilated upward, 2-lipped; 
lips. short, rarely unequal in length; upper lip narrow; lower lip entire to 3-crenulate, 
round. Stamens 4, 2 shorter, or else 2 of these antherless or even not present at all; 
anther-cells either pilose-ciliate or with the base and apex minutely bearded, unlike, outer 
attached by its middle, inner hanging by its end. Capsule flattish. Seeds few. (Gk. 
adenos—a gland, stegia—a sheath: floral leaves and bracts are tipped with glands. ) 

