riGWORT FAMILY 789 



3. C. collina A. Nels. Stems many, puberulent and with scattered white 

 villous hairs; leaves 2^ cm. long, dark green, divided into linear divisions, 

 puberulent; bracts green below, scarlet above the middle, usually twice cleft 

 into hnear or oblong divisions; calyx sparsely soft-pubescent, about 2 cm. long; 

 corolla greenish, with crimson margins, nearly 3 cm. long; galea about 1.5 cm. 

 long; lip about 2 mm. long. Gravelly ridges and among sage-brush: Wyo. — 

 Colo. Plain — Subniont. My-Je. 



4. C. linariaefolia Benth. Stems glabrous or somewhat villous in the 

 inflorescence; leaves narrowly linear or dissected into narrow, linear divisions, 

 dark green, glabrous or nearly so, 5-10 cm. long; bracts 3-5-parted into linear- 

 lanceolate or almost subulate divisions, more or less crimson and villous; calyx 

 3-4'cm. long, more or less villous; corolla 4-5 cm. long, greenish yellow, tinged 

 with scarlet; galea about 2 cm.; lip saccate, about 4 nun. long. Hills and rocky 

 places: Wyo. — N.M. — Ariz. — Calif. — B.C. Suhmont. — Mont. Jl-S. 



5. C. Crista-galli Rydb. Stems about 4 dm. high, finely pilose throughout 

 or more or less villous above; lower leaves linear or linear-lanceolate, 5-8 cm. 

 long, 3-nerved, finely pubescent, the upper often divided into 3-5 oblong-linear 

 divisions; bracts coccineous, 3-5-cleft, the middle lobe broad, oblong, acutish; 

 calyx 2-2.5 cm. long, coccineous above; corolla about 3.5 cm. long, green and 

 tinged with red; galea 13-15 mm. long; hp saccate, 2 mm. long. Mountain 

 sides: Mont. — Colo. Suhmont. — Mont. Je. 



6. C. cognata Greene. Stem strict, about 1 m. high, glabrous below, 

 villous in the inflorescence; leaves nearly ail entire, linear, 3-5 cm. long, glabrous 

 or nearly so; bracts 3-cleft, with linear-lanceolate divisions, tinged with cream- 

 color; calyx about 2 cm. long, villous; corolla 2.5 cm. long, greenish yellow; 

 galea about 12 mm. long; lip saccate, 2 mm. long. Mountains of Colo. Siib- 

 mont. — Mont. ,11. 



7. C. arcuata Rydb. Stems erect, strict, usually simple, 2-4 dm. high, 

 shining, glabrous or short-villous in the inflorescence; leaves narrowly linear, 

 2-6 cm. long, 1-3 mm. wide, glabrous or the lower sparingly white-villous; 

 bracts 3-cleft with lanceolate lobes; calyx 12-15 mm. long; corolla 2.5-3 cm. 

 long, at last strongly curved, greenish, with yellow margins; galea 12-15 mm. 

 long; lip about 3 mm. long. Mountain sides: c Utah. Mont. — Subalp. 



8. C. Integra A. Gray. Stems several, simple, tomentose-canescent, 2-4 

 dm. high; leaves entire, narrowly linear, more or less tomentulose-canescent, 

 thick; inflorescence short and dense, bracts tomentose, crimson, rose-colored, 

 pink, or even yellowish; calyx tomentulose, 2.5 cm. long; corolla green, with 

 crimson margins, about 3 cm. long; galea 10-15 mm. long; lip 2 mm. long; lobes 

 minute. Drv plains and table-lands: Colo. — N.M.— Ariz. — n Mex. Plain — 

 Mont. My-S. 



9. C. gloriosa Britton. Stems tomentose-canescent, 2-3 dm. high; leaves 

 narrowly hnear, canescent, 3-6 cm. long; inflorescence short and dense; bracts 

 obovate, 4-5 cm. long, 2-2.5 cm. wide, rounded at the apex, crimson, somewhat 

 canescent, entire, or 3-cleft with a broad middle lobe; calyx 3-4 cm. long, some- 

 what canescent; corolla about 4 cm. long, green, with crimson margins; galea 

 about 2 cm. long; lip about 2 mm. long; lobes very short. Dry places: Ariz. — s 

 Colo.— N.M. ; n Mex. Mr-Jl. 



10. C. Lindheimeri A. Gray. Stems several, 1-3 dm. high, hirsute or 

 villous-canescent; leaves dissected into 3-5 linear divisions, canescent, 3-5 cm. 

 long; inflorescence dense; bracts rose-colored or brick-red, 3-5-cleft, with oblong, 

 obtuse divisions; calyx about 1.5 cm. long; corolla about 3 cm. long, green, with 

 pink margins; galea about 1.5 cm. long; lip 3-4 mm. long. (?) C. scabrida Eastw. 

 Dry places: w Tex. — s Colo. Plain — Suhmont. Ap-Jl. 



11. C. subcinerea Rydb. Stem 3-5 dm. high, canescent-strigose; leaves 

 canescent, 3-ribbed, 5-7 cm. long, the lower entire and linear, the upper 3-cleft; 

 bracts broadly cuneate, 5-7-cleft, the upper tinged with yellow and brown-tij)ped; 

 calyx 2.5 cm. long; corolla greenish yellow; galea 9 mm. long; lip 3.5 mm. long, 

 slightly saccate. Dry mountain sides: Ida. — Mont. Suhmont. — Mont. 



