FIGWORT FAMILY 795 



2 cm. long; corolla 2-2.5 cm. long; galea about 6 mm. long; lip nearly half as 

 long. Dry ground: B.C. Wash. Submont. Je-Au. 



59. C. brachyantha Rydb. Stems 2-4 dm. high, puberulent and more 

 or less villous-hirsute especially below; leaves narrowly linear or cleft, with 

 linear divisions, 2-5 cm. long, puberulent; bracts 3-5-cleft into linear divisions, 

 tipped with yellowish; calyx more or less villous; corolla 15-20 mm. long; galea 

 7-8 mm. long; lip about 3 mm., gibbous. C. breviflora A. Gray. Mountains: 

 Colo. Wyo. Plain Mont. Je-Au. 



60. C. flava S. Wats. Stems puberulent and more or less villous-hirsute, 

 especially below, 3-5 dm. high; leaves narrowly linear, entire or dissected into 

 a few linear lobes, finely puberulent; bracts 3-cleft, with linear divisions, puberu- 

 lent and villous-ciliate; calyx about 15 cm. long; corolla 2-2.5 mm. long, yellow; 

 galea 8-10 mm. long; lower lip scarcely 2 mm. long, greenish. Dry soil, espec- 

 ially among sage-brush: B.C. Ida. Utah Colo. Mont. Submont. Mont. 

 Je-Au. 



61. C. sessiliflora Pursh. Stems 1-3 dm. high, more or less densely villous; 

 leaves entire, linear or dissected into linear lobes, 3-5 cm. long, puberulent; 

 bracts broader, 3-cleft, with lanceolate or^ linear-lanceolate divisions, finely 

 canescent; calyx 3-4 cm. long; corolla 4-5 cm. long, yellow, puberulent; galea 

 10^15 mm.; lip about 5 mm. long. Dry plains and hills: 111. Mo. Tex. 

 Ariz. Sask. Plain. Je-Au. 



20. ORTHOCARPUS Nutt. OWL'S CLOVER. 



Annual caulescent herbs. Leaves alternate, sessile, pectinately cleft or entire, 

 those subtending the flowers usually highly colored. Flowers perfect in ter- 

 minal leafy spikes. Calyx tubular or deeply campanulate, nearly equally 4- 

 cleft. Corolla very irregular, 2-lipped; upper lip erect, slightly arched, equalling 

 or slightly shorter than the more or less 3-lobed saccate lower lip. Stamens 4, 

 didynamous, ascending under the upper lip; anther-sacs dissimilar, the outer one 

 attached by its middle, the inner pendulous by its apex. Styles wholly united, 

 slender; stigmas entire. Capsule oblong, loculicidal. Seeds many, reticulate. 



Bracts dilated, entire or with a broad middle lobe and narrow lateral ones, somewhat 



petaloid. 1. O. tenuifohus. 



Bracts herbaceous, resembling the leaves, 3- (rarely 5-) cleft, with lanceolate lobes. 

 Corolla yellow; spike dense; seeds ridged. 



Plant hirsute; corolla not three times as long as the calyx. 2. O. luteus. 

 Plant puberulent; corolla 3-4 times as long as the calyx. 3. O. Tolmiei. 

 Corolla white, turning rose-purple; spike lax; seeds loosely reticulate. 



4. O. purpureo-albus. 



1. O. tenuifolius Benth. Stem 1-2 dm-, high, simple or branched above, 

 somewhat hirsute, purplish; leaves usually dissected, with linear-filiform or sub- 

 ulate divisions, puberulent and sparingly hirsute; lower bracts leaf -like, usually 

 5-cleft, hirsute-ciliate; middle lobe lanceolate and the lateral ones subulate; 

 upper bracts with an oblong to oval purple-tipped and rounded middle lobe; 

 calyx about 1 cm. long, its lobes subulate; corolla about 2 cm. long, wholly yellow 

 or purplish at the apex; galea about 5 mm. long; lip 4 mm., only slightly gib- 

 bous. Plains and bench lands: B.C. Wash. Ida. Plain Submont. Je-Au. 



2. O. luteus Nutt. Stem 1-4 dm. high, more or less hirsute, strict; leaves 

 narrowly linear-lanceolate to almost subulate, entire, or rarely 3-cleft, attenuate, 

 1.5-5 cm. long; bracts 3-5-cleft, with lanceolate acute divisions, puberulent; 

 calyx 5-6 mm. long, hirsute; its lobes lanceolate, about 1 mm. long; corolla yellow, 

 10-15 mm. long; galea and lip nearly 5 mm. long, lip slightly gibbous. Sandy 

 soil: B.C. Wash. Ariz. N.M. Neb. Sask. Submont. Mont. Je-Au. 



3. O. Tolmiei H. & A. Stem 2-A dm. high, puberulent; leaves narrowly 

 linear-lanceolate, usually entire, 2-5 cm. long; bracts usually 3-cleft, puberulent, 

 with linear-lanceolate or subulate divisions; calyx 4-5 mm. long, its lobes lanceo- 

 late; corolla 15-18 mm. long, yellow or tipped with brownish or purplish; galea 

 about 5 mm. long; lip slightly shorter, deeply gibbous. Pastures and mountain 

 valleys: Ida. Utah Wyo. Submont. Mont. Jl-S. 



