riGWORT FAMILY 791 



cm. long, the upper usually 3-cleft; inflorescence dense and short; bracts lanceo- 

 late or ovate, usually 3-cleft; calyx 2-2.5 cm. long; corolla 3 cm. or nearly so, 

 pubescent; galea 12 mm. long; lip 3 mm. long. Meadows: Mont. — Ida. — Wash. 

 Suhmont. My. 



22. C. lutescens (Greenm.) Rydb. Stem.s 3-5, 5 dm. high, more or less 

 hirsute and puberulent; lower leaves linear or linear-lanceolate, entire, scabrous- 

 puberulent and somewhat hirsute, 3-ribbed, the upper broader, 3-cleft and 5- 

 ribbed; bracts ovate, 3-cleft, upper portion yellow and the tips often brown or 

 red; calyx about 15 mm. long; corolla 2-2.5 cm. long; galea about 1 cm. long; 

 lip 2 mm. long. C . pallida lutescens Greenm. Hills: Wash. — Ida. — Mont. Sub- 

 inont. My-Je. 



23. C. variabilis Rydb. Stems pubescent, 4-8 dm. high; leaves linear- 

 lanceolate or lanceolate, 4-6 cm. long, 3-ribbed, puberulent and more or less 

 short-hirsute; bracts lanceolate, deeply 3-cleft, yellow above, with scarlet or brick- 

 red tips or sometimes almost wholly brick-red; calyx viscid-villous, about 2.5 cm. 

 long, tinged with yellow; corolla yellowish-green, with scarlet or yellow margins, 

 about 4 cm. long; galea nearly 2 cm. long; lip dark green, 3 mm. long. Moun- 

 tains: Utah. Mont. — Subalp. Jl-Au. 



24. C. Vreelandii Rydb. Stem usually single, 6-8 dm. high, glabrous or 

 nearly so, shining; leaves lanceolate, 3-5-ribbed, glabrous or nearly so, 4-6 cm. 

 long, somewhat acuminate; bracts lanceolate, usually 3-lobed, with acute lobes, 

 tipped with crimson; calyx 2-2.5 cm. long, tinged with crimson; corolla dark 

 green, with purplish margins; galea about 2 cm. long; lower lip 2 mm. long. Banks, 

 open woods, and meadows: Mont. — Wyo. — Utah — Wash. Suhmont. Je-Jl. 



25. C. trinervis Rydb. Stem more or less villous, 3-6 dm. high; leaves dark 

 green, finely puberulent, entire, acute, usually 3-ribbed, the lower linear, .5-8 

 cm. long and about 0.5 cm. wide, the upper lanceolate and often 15 mm. wide; 

 bracts 3-5-lobed, the upper with almost crimson tips; calyx densely white villous, 

 about 3 cm. long; corolla about 4 cm. long, green, but the galea with crimson 

 margins; galea about 15 mm. long; lip 4-5 mm. long, dark green, with three 

 narrow lobes. Open woods: Colo. Mont. Je-Jl. 



26. C. Tweedyi Rydb. Stems 2-5 dm. high, finely puberulent or sometimes 

 glabrate; leaves linear-lanceolate, 3-nerved, 3-6 cm. long, the upper somewhat 

 broader and sometimes lobed; bracts light green, tipped with scarlet or brick- 

 red; calyx about 2 cm. long; corolla about 2.5 cm. long, greenish, margined with 

 red; galea 1 cm. long or less; lip 3 mm. long. Valleys and hillsides: B.C. — Wash. 

 — Utah — Wyo. — Mont. Submont. — Mont. Je-Au. 



27. C. subpurpurascens Rydb. Stems several, 1-3 dm. high, glabrous or 

 slightly puberulent, villous above; leaves narrowly linear, finely puberulent, 3-5 

 cm. long, 2-3 mm. wide; inflorescence short and dense; bracts lanceolate, acute 

 or obtuse, the lower usually entire, the upper more or less cleft, tipped with 

 crimson; calyx 15-20 mm. long, especially towards the base; corolla 2.5-3 cm. 

 long, green, with crimson margins; galea about 1 cm. long; lower lip 3 mm. long. 

 C. purpurascens Rydb., not Greenm. Hillsides: Alta. — Mont. Submont. — Mont. 



28. C. mineata Benth. Stems many, 4-6 dm. high, sparingly pubescent; 

 leaves linear-lanceolate or linear, acuminate, 5-7 cm. long, sparingly pubescent; 

 bracts lanceolate, 3-cleft, tipped with scarlet or brick-red; calyx about 15 mm. 

 long, more or less hirsute; corolla about 2 cm. long, green, margined with red; 

 galea about 1 cm. long; lip dark green, 2.5 mm. long. Meadows: Wash. — Ida. — 

 Mont. — Sask. Submont. Jl-Au. 



29. C. lancifolia Rydb. Stems solitary, 4-6 dm. high, sparingly villous 

 or glabrate; leaves lanceolate, often acuminate, 3-5 cm. long, 3-ribbed, usually 

 all entire, usually glabrous, but sometimes finely puberulent; bracts lanceolate, 

 acute or acuminate, often more or less cleft, crimson; calyx hirsute and puberu- 

 lent, equally cleft, 2.5 cm. long; lobes lanceolate, 5 mm. long; corolla about 3 

 cm. long, puberulent, green, with crimson margins; galea 12-15 mm. long; lower 

 lip 3 mm. long. Valleys and hillsides: Alaska — Ore. — Utah — Colo. — Alta. Sub- 

 mont. — Subalp. Je-Au. 



