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 Nuttall. 



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. Bothrockii and 

 A. tridentata. 



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. 



Specinie7is 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. 



Z one . — H u dson i an . 



Specimens examined. — Mountains above Bear Valley, Placer 

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



