Mat, 1893.] SHRUBS OF THE DEATH VALLEY EXPEDITION. 323 



Pahroc Mountains. — Found near Pahroc Spring. 

 Highland Range. — Common on the west slope. 



Jumper Mountains. — Collected at an elevation of 1,680 meters (5,500 

 feet). 



UTAH. 



Beaver dam Mountains. — Abundant and in full flower May 10-11; 

 ranges down to 1,100 meters (3,600 feet) on the east slope, and to 1,160 

 meters (3,800 feet) on the west slope. 



Note. — A large-leaved species of Audibertia was found on several 

 of the desert ranges. On the north slope of Gold Mountain a species 

 was found as high as 2,100 meters (7,000 feet). 



Salazaria mexicana. 



This small shrub, which presents a very odd appearance when cov- 

 ered with its large inflated gibbous pods, is common in many parts of 

 the desert region. It was noted in the following localities: 



CALIFORNIA. 



Mohave Desert. — Common in many places, reaching westward to Ante- 

 lope Valley, and entering the mouth of Walker Pass, and also of the 

 pass leading from Mohave to Tehachapi, where it attains an altitude of 

 1,035 meters (3,400 feet). 



NEVADA. 



Gold Mountain. — Found on the south slope of Gold Mountain, be- 

 ginning at an altitude of 1,550 meters (5,100 feet) and ranging upward. 



Oasis Valley. — A little is found in Oasis Valley above 1,220 meters 

 (1,000 feet). 



Indian Spring Valley. — Common throughout the valley. (Covered 

 with inflated gibbous fruit globes May 29). 



Pahranagat Valley. — Not found in the valley proper, but tolerably 

 common on the divide south of Pahranagat Lake (altitude 1,150 meters, 

 or 3,800 feet), and on the west side of the valley at the east foot of the 

 Pahranagat Mountains above an altitude of 1,340 meters (4,400 feet). 



Charleston Mountains. — Common on the west slope, ranging up from 

 Pahrump Valley to 1,580 meters (5,200 feet), and on the east slope up 

 to 1,525 meters (5,000 feet). 



Muddy Mountains. — Common on east slope at an altitude of 600 to 

 760 meters (2,000 to 2,500 feet). 



UTAH. 



Santa Clara Valley. — Occurs sparingly in the valley, disappearing on 

 the north side between 1,220 and 1,280 meters (4,000 and 4,200 feet). 



Beaver dam Mountains. — Common on the lower slopes, ranging up to 

 1,100 meters (3,600 feet) on the east slope, and up to 1,340 meters (4,400 

 feet) on the west slope. 



Atriplex confertifolia. 



Atriplex confertifolia is the most characteristic species of desert brush 

 on the clayey alkaline soils of the Upper Sonoran zone, from the Snake 



