136 University of California Publications in Botany [You 9 



1. AUmm tribracteatum Torr., in Pac. R.R. Rep., vol. 4, p. 148. 



1857. 



Type locality. — "Hillsides, Duffield's Ranch, Sierra Nevada." 



Range. — Central Sierra, Mono County to Plumas County; also in 

 Tulare County. 



Zone. — Canadian and above. 



Specimens examined. — Cisco, 9,000 feet, Bolander in 1872 ; trail to 

 Mt. Tallac above Glen Alpine, 7,200 feet, Reed and Pendleton 1650; 

 peak above Mono Lake, 10,000 feet. Brewer 1799 ; Mt. Surprise, Mari- 

 posa County, Congdon, August 11, 1890; Dana Fork meadows, 

 Yosemite, 9,800 feet, Smiley 855. 



The extension of the range to Tulare County is not based upon 

 specimens seen by me but is founded upon Coville's statement^" that 

 Coville and Funsto-n 1543 is of this species. 



2. AUmm ambiguum Jones, Contr. W. Coast Bot., vol. 10, p. 18. 



1902. 



Type locality. — "Growing on alpine ridges at Summit, Calif." 



Range. — Mountains of Modoc County southward through the 

 Sierra, perhaps to southern California. 



Z one . — C anadi an. 



Specimens examined. — Near Sununit, Jones 6660 (type collec- 

 tion) ; shoulder of Mt. Ralston, Tahoe, 8,000 feet, Setchell and Dobie, 

 July, 1901; Cisco, Placer County, A. R. Valentin, June, 1914; sum- 

 mit between Lake Lucile and Lake of the Woods, Tahoe, M. S. Baker, 

 July 17, 1904. 



3. AUmm bisceptrum Wats., Bot. King's Exped., p. 351, t. 37. 



1871. 



Type locality. — "On stream banks in the mountains, from the 

 Trinity to the East Humboldt Ranges, Nevada, and in the Wahsatch ; 

 6-7,500 feet altitude. ' ' 



Range. — Sierra Nevada to Utah. 



Zone. — Arid Transition and rising into the Canadian. 



Specimens examined. — Sierra Nevada, 9,000 feet, E. L. Greene 

 387 ; Crescent Lake, Mariposa County, Congdon, August 13, 1895. 



4. Allium campaimlatum Wats., Proc. Am. Acad., vol. 14, p. 231. 



1879. 

 Type locality. — "Sierra Nevada (Mariposa to Plumas Counties: 

 n. 4943 Bolander; Mrs. M. E. P. Ames)." 



