396 University of California Publications in Botany [Vol. 9 



Donner Pass at 8,500 feet, Heller 7184; Ebbett's Pass, 8,500-9,000 

 feet, Brewer 1996; Silver Mountain, Alpine County, Hooker and 

 Gray in 1877 ; rocky places near Mt. Olancha, Tulare County, 8-9,000 

 feet, Purpus 1868. 



3. Artemisia Bolanderi Gray, Proc. Am. Acad., vol. 19, p. 49. 



1884. 



"A. trifida Nutt. " of Bot. Calif., vol. 1, p. 405. 1876, in part, and not 

 of NuttaU. 



Type locality.- — ^"Mono Pass, in the Sierra Nevada." 



Range. — Not otherwise known than in the type. 



Specimen examined. — Mono Pass, small shrubs, Bolander 6149 

 (type). 



An obscure species or perhaps a hybrid between A. Rothrockii and 

 A. trident ata. 



4. Artemisia Rothrockii Gray, Bot. Calif., vol. 1, p. 618. 1876. 



Type locality. — "Sierras of Tulare Co., Olancha Mountains and 

 Monachay meadows, at 8,000 to 9,300 feet." 



Range. — Sierra Nevada from Mono Pass southward to the moun- 

 tains of southern California. 



Zone. — Arid Transition to Canadian, 



Specimens examined. — Mono Pass, Congdon, August 13, 1898 ; Mt. 

 Dana, Bolander 6018 ; soda springs of the Tuolumne, Congdon, August 

 22, 1894 ; south side of Mt. Gibbs, Yosemite, 9,900 feet. Smiley 762 ; 

 mountains near Soda Creek, Tulare County, 11,000 feet, Purpus 5165 ; 

 foot of Mt. Olancha, Tulare County, 9,300 feet, Rothrock 343; Mt. 

 Olancha, summit meadow at 9,500 feet, Hall and Babcock 5277 ; plains 

 near Whitney meadows, Tulare County, 9-10,000 feet, Purpus 1565. 



5. Artemisia norvegica Fries., Novit. Suec, ed. 1, p. 56. 1817. 



A. Chamissoniana var. saxitilis Besser; in Hook, Fl. Bor. Am., vol. 1, p. 324. 

 1833. 



Type locality. — European. 



Range. — In North America from the mountains of British Colum- 

 bia and Alberta south to Colorado and California. 



Zane. — Hudsonian. 



Specimens examined. — Mountains above Bear Valley, Placer 

 County, 8,500 feet, Sonne, July 29, 1889 ; Pyramid Peak, Tahoe, 9,000 



