190 University of California Publications in Botany [VOL. 9 



5. DELPHINIUM 



Eaceme 1-1.5 feet long, of numerous loosely aggregated long-pedicelled flowers; 

 leaves glabrous and somewhat glaucous; stems 3-6 feet high, stout 



1. D. glaucum 



Inflorescence loose, few-flowered; leaves green and usually at least pubescent; 

 stems 1-1.5 feet high. 



Sepals much shorter than the slender acuminate spur 2. D. pauciflorum 



Sepals subequal to the thick blunt spur 3. D. luporum 



1. Delphinium glaucum Wats., Bot. Calif., vol. 2, p. 427. 1880. 

 D. scopiilorum var. glauoum Gray, Bot. Gaz., vol. 12, p. 52. 1887. 



Type locality. "In the Sierra Nevada." 



Range. Alaska to California. 



Zone. Canadian. 



Specimens examined. Sierra County, Lemmon in 1874; Webber 

 Lake, Lemmon; Half-Moon Lake, Tahoe, 7,760 feet, McGregor 52; 

 Silver Lake, Amador County, 7,200 feet, E. Mulliken 138; Snow 

 Valley, Ormsby County, Nevada, 2,460-2,615 m., Baker 1371; head 

 of Galena Creek, 8,300 feet, Washoe County, Nevada, Heller 10221. 



2. Delphinium pauciflorum Nutt., in T. and G., FL, vol. 1, p. 33. 



1838. 



Type locality. " Rocky Mountains and Blue Mountains of the 

 Oregon. ' ' 



Range. Washington to California and east to Colorado. 



Zone. Canadian, rising into the Hudsonian. 



Specimens examined. Soda Springs, Nevada County, 8,000 feet, 

 Brewer 1785 ; Hermit Valley, Alpine County, 8,000 feet, Hansen 897 ; 

 Pyramid Peak, Tahoe, 9,800 feet, Smiley 122 ; Mt. Tallac, Tahoe, 9,100 

 feet, Hall-Chandler 4636; Snow Creek, Yosemite, 6,800 feet, Hall 

 9185 ; Tioga Road, Yosemite, 9,000 feet, R. A. Ware 2691c. 



2a. Delphinium pauciflorum var. Sonnei (Greene), comb. nov. 



D. Sonnei Greene, Pitt., vol. 3, p. 246. 1897. 



D. decorum var. nevadense Wats., Bot. Calif., vol. 1, p. 11. 1876. 



Type locality. "Near Donner Lake, and also far northward in 

 Siskiyou County," California. 



Range. Mountains of northern and central California. 



Zone. Transition and Canadian. 



Specimens examined. Low ground south end of Donner Lake, 

 Heller 6940 ; Lake Tahoe, Miss Anna King, May, 1900 ; Cisco, Bolander 

 in 1873 ; about Marlette Lake, east of Lake Tahoe, 2,460 m., Baker 



