96 ERYTHEA. 
Common on high plains of western Wyoming, and about 
the sources of the Platte, thence into Montana, where it seems 
to approach the type. 
Var. tortifolius. Bigelovia Douglasii, var. tortifola, 
A. Gray, Syn. Fl. 140. Leaves broader, narrowly lanceolate, 
very acute, twisted: cymes smaller, less congested; herbage 
glabrous or nearly so: bracts of the involucre apparently 
not at all in vertical ranks. 
Of the eastern slope of the Sierra Nevada, in California. 
A better knowledge of this plant may establish it in the 
rank of a species. 
Var. latifolius. Linosyris viscidiflora, var. latifolia, D.C. 
Eaton, Bot. King Exp. 157. Bigelovia Douglasi, var. 
latifolia, A. Gray. Also much smaller than the type, mostly 
minutely scabrous: leaves much broader, quite oblanceolate, 
acute, usually 5-nerved: involucral bracts almost cuspid- 
ately acute, in not at all distinct vertical ranks. 
Mountains of Nevada, Utah and southern Idaho. 
Var. serrulatus. Linosyris viscidiflora, var. serrulata, 
Torr. Stansb. Rep. 389. Bigelovia Douglasi, var. serru- 
lata, A. Gray. A taller plant, with narrow serrulate- 
ciliolate leaves. Utah and adjacent Nevada. 
8. C. Vaseyi. Bigelovia Vaseyi, A. Gray, Proc. Am. 
Acad. xii. 58. (1876). Low, only 6 to 10 inches high, the 
branches not white, leaves glabrous, narrowly spatulate- 
linear: inflorescence fastigiate-cymose: heads subclavate; 
bracts of involucre very obtuse: achenes glabrous, 10-striate. 
Remarkable species of southwestern Colorado, and adja- 
cent Utah. In character of achene quite approaching Pet- 
radoria pumila, 
