FIG WORT FAMILY 795 



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

 long. Dry groimd: B.C. — Wash. Submont. Je-Au. 



59. C. brachyantha Rj-db. Stems 2—4 dm. high, puberiilent and more 

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

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

 tipped with 3'ellowish; calj^x more or less villous; corolla 15-20 mm. long; galea 

 7-8 mm. long; hp about 3 mm., gibbous. C. hreviflora A. Gray. jNIountains: 

 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 hnear, entire or dissected into 

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

 lent and villous-cihate; cah-x about 15 cm. long; coroUa 2-2.5 mm. long, yeUow; 

 galea 8-10 mm. long; lower hp scarceh' 2 mm. long, greenish. Drj' soil, espec- 

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

 Je-Au. 



61. C. sessiliflora Ptu-sh. Stems 1-3 dm. high, more or less densely viUous; 

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

 bracts broader, 3-cleft, \A'ith lanceolate or linear-lanceolate divisions, finely 

 canescent; calyx 3-4 cm. long; coroUa 4-5 cm. long, yeUow, puberulent; galea 

 10-15 mm.; hp about 5 mm. long. Dry plains and hiUs: lU. — Mo. — Tex. — 

 Ariz. — Sask. Plain. Je-Au. 



20. ORTHOCARPUS Xutt. Owl's Clover. 



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

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

 minal leafy spikes. Calj'x tub'alar or deeply campanulate, nearly equallj" 4- 

 cleft. Corolla very irregular, 2-hpped; upper hp erect, slightly arched, equalling 

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

 didj-namous, 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, lociihcidal. Seeds many, reticulate. 



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



petaloid. 1. O. tenuifolius. 



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

 CoroUa 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. 

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



4. O. purpureo-albus. 



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

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

 ulate di\dsions, puberulent and sparingly hirsute; lower bracts leaf-like, usually 

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

 upper bracts ■ndth an oblong to oval purple-tipped and roimded middle lobe; 

 calj-x about 1 cm. long, its lobes subulate; corolla about 2 cm. long, wholly yeUow 

 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 Xutt. Stem 1-4 dm. high, more or less hirsute, strict; leaves 

 narrowly hnear-lanceolate to almost subulate, enthe, 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 j'eUow, 

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

 soil: B.C. — Wash. — Axiz. — X.M. — Xeb. — Sask. Suhmoiit. — Mont. Je-Au. 



3. O. Tolmiei H. & A. Stem 2-4 dm. high, puberulent; leaves narrowly 

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

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

 late; coroUa 15-18 mm. long, yeUow or tipped with b^o^^^lish or purplish; galea 

 about 5 mm. long; hp shghtly shorter, deeply gibbous. Pastures and moimtain 

 vaUej-s: Ida. — Utah — Wj'o. Submont. — Mont. Jl-S. 



