
eee 
Scrophulariaceae 357 
GROUP 2 
A.  Bracts of the inflorescence lobed or cleft. 
B. Calyx 10—20 mm. long. 
C. Plant ashy-pubescent or -puberulent; corolla 10—-20 mm. long. 
D. Inflorescence more or less pilose. E. (C. pecten.) 
C. fasciculata Nels. 
DD. Inflorescence not pilose. 
E. Upper leaves lobed; inflorescence not glandular; upper lip of the corolla 
twice as long as the lower. E. 
C. pallescens Greenm. 
EE. All the leaves often entire; inflorescence somewhat glandular; upper 
lip of the corolla 4 times as long as the lower. E. 
C. rustica Pip. 
CC. Plant glabrous or pubescent or pilose, but not ashy. 
F. Calyx 2-cleft, the lobes 2-toothed or -cleft. 
G. Upper lip of the corolla more than twice as long as its tube. 
H. Pubescence soft, pilose. W. 
C. laevisecta Greenm. 
HH. Pubescence harsh, stiff. E. 
C. lutescens Rydb. 
GG. Upper lip of the corolla less than twice as long as its tube. (See JJ 
of Group |.) 
FF. Calyx cleft into 4 almost equal lobes; corolla 12—15 mm. long. E. 
C. longispica Nels. - 
BB. Calyx 25—40 mm. long. 
I. Upper lip of the corolla nearly as long as the corolla-tube; corolla 25—50 
mm. long. (See JJ of Group |.) 
II. Upper lip of the corolla about 14 as long as the corolal-tube; corolla about 
25 mm. long. E. C. pilifera Nels. 
AA. Bracts of the inflorescence all entire. E. 
C. cusickii Greenm. © 
ORTHOCARPUS OWL-CLOVER 
Annual or perennial, 6 dm. or less high (ours). Leaves alternate, entire to dis- 
sected. Flowers solitary in the axils, or the subtending leaves reduced making a‘terminal ~ 
hracted spike; bracts often colored. Calyx tubular or tubular-campanulate, 4-cleft, 
sometimes colored. Corolla very irregular, white or red or purple or yellow; tube slender 
or short: limb 2-lipped; upper lip from slightly longer to slightly shorter than the lower; 
lower lip 3-lobed, 1—3-saccate. Stamens 4, 2 shorter; anther cells unlike, sometimes 
only |, sometimes none, the outer attached by its middle, the inner hanging by its end. 
Capsule oblong. Seeds many, reticulate. (Gk. orthos—erect, carpos—frutt. ) 
A. Leaves entire or merely 3-lobed or -segmented. 
B. Corolla white; lower lip purple-spotted, with 3 conspicuous teeth or lobes; leaves - 
5-8 cm. long W. 0. attenuatus Gray 
BB. Corolla yellow or rose or purple; lower lip entire or with 3 very short teeth. 
C. Corolla white or yellow; leaves 2.5—5 cm. long. 
D. Plant pubescent or hirsute; stem usually simple; corolla pubescent outside. 
E. Calyx-teeth acute; corolla yellow, its lower lip about as long as the up- 
per. E. 0. luteus Nutt. i 
EE. Calyx-teeth subulate; corolla white or cream-colored, its lower lip much 
longer than the upper. FE. 0. hispidus Benth. 
