May, 1893.] TREES OP THE DEATH VALLEY EXPEDITION. 343 



Juniperus occidentalis. 



This species grows on the higher summits of the Panamint Moun- 

 tains, California, above the upper limit of Juniperus californica utah- 

 ensis. On the north slope of Telescope Peak Mr. Bailey found it as 

 high as 2,830 meters (9,300 feet). 



Juniperus occidentalis monosperma. 



This subspecies was identified by Mr. Coville as the form growing 

 high up in the Charleston Mountains, Nevada. 



Tumion californicum. 



This singular tree grows along the west slope of the Sierra Nevada. 

 Mr. Bailey found it on the East Fork of Kaweah Biver between the 

 altitudes of 1,170 and 1,830 meters (3,950 to 6,000 feet). 



