1921] Smiley: Flora of the Sierra Nevada of California 355 



Lake Tenaya, in pine forests, 8,300 feet. Hall and Babcock 3520 ; 

 Farewell Gap region, Tulare Count}^, Culbertson (B 4548) ; Grouse 

 Ridge, near Alta Peak, Tulare County, Dudley 1563. 



A very nearly related species, C. Wrightii Gray (Syn. FL, vol. 1, 

 pt. 2, p. 446) is found in the boreal region of the mountains of south- 

 em California. 



3. CHRYSOTHAMNUS 



Heads with 2-4 rays 1. C. Bloomeri 



Heads always rayless. 



Bracts of the involucre with conspicuous acuminations or tips. 



Bracts of the involucre with soft, slender, herbaceous tips ....2. C. Bolanderi 



Bracts of the involucre with rigid, recurved tips 3. C. nevadensis 



Bracts of the involucre ovate or acute, but not drawn out into tips 



4. C. nauseosus 



1. Chrysothamnus Bloomeri Greene, Erythea, vol. 3, p. 115. 1895. 



Aplopappus Bloomeri Gray, Proc. Am. Acad., vol. 6, p. 541. 1866. 



Type locality .—" On Mount Davidson, Nevada." H. G. Bloomer. 



Range. — British Columbia to California and Nevada. 



Zone. — Transition and Canadian (especially in the Jeffrey Pine 

 belt in the Sierra). 



Specimens examined. — Mt. Davidson, Bloomer, in 1864; head of 

 Fall Creek, Ormsby County, Nevada, Baker 1498 ; Mt. Tallac, Tahoe, 

 Miss L. K. T angier- Smith ; Whitney Creek, Tulare County, open 

 woods, 9-10,000 feet, Purpus 1992 ; Soda Creek, Tulare County, flats 

 at 7-8,000 feet, Purpus 5159. 



la. Chrysothamnus Bloomeri var. angiistatus (Gray) Greene, in 



Merriam, N. Am. Fauna, vol. 16, p. 166. 1899. 



Aplopappus Bloomeri var. angustatus Gray, Proc. Am. Acad., vol. 7, p. 354. 

 1868. 



Type locality. — ' ' On Mount Shasta, alt. 6,000 feet. Professor Brewer 

 (1415) ; Little Yosemite Valley, Empire Camp on the Yosemite trail, 

 and Soda Springs, alt. 9,700 feet, Bolander." 



Range. — With the type. 



Zone. — Canadian and above. 



Specimens examined. — Mt. Stanford (Castle Peak), Hooker and 

 Gray in 1877 ; Soda Springs of the Tuolumne, 9,700 feet, Bolander 

 5039; Mt. Olancha, 10,000 feet, Tulare County, Rothrock 357 (the 

 last specimen differs from the type in the foliage being very slenderly 

 linear, scarcely at all spatulate, thus approaching the characters of 

 Ericameria) . 



