May, 1893.] SHRUBS OF THE DEATH VALLEY EXPEDITION. 327 



Pahranagat Valley. — Abundant on most of the dry parts of the bot- 

 tom and on gravel slopes, and ranging up a little above 1,500 meters 

 (5,000 feet) on the west or Pahranagat Mountain side (much of it in 

 flower May 22-2G). 



Desert Valley. — Common in places with Artemisia spinescens and 

 Eurotia lanata. 



Pahroc Plain. — Common, mixed with Grayia, Eurotia, and Lycium 

 andersoni, and ranging as high as 1,980 meters (6,500 feet) on the Pahroc 

 Mountains. 



Meadow Creek Valley. — Common, and ranging up to 1,980 meters 

 (6,500 feet) on west slope of Juniper Plateau. 



• Virgin and Lower Muddy valleys. — Common in the dryer parts of the 

 valleys. 



Pahrump Valley. — The most abundant brush on the alkaline bottoms, 

 whence it ranges up the west slope of the Charleston Mountains to about 

 1,700 meters (5,600 feet). 



UTAH. 



Santa Clara Valley. — Common in places in the lower part of the valley. 



Atriplex lentiformis. 



This large species is not so generally distributed as most of the other 

 members of the genus, and in places it may have been confounded with 

 A. torreyi, from which it is not always easily distinguishable. 



CALIFORNIA. 



Mohave Desert. — Found growing north of Willow Spring, in Antelope 

 Valley. 



Amargosa Canon. — -Bather common with A. torreyi. 



NEVADA. 



Oasis Valley. — A few clumps seen. 



Pahranagat Valley. — Common in patches on suitable soil, usually 

 saud or fine gravel; generally rank and large. 



Virgin and Lower Muddy valleys. — Common in dry parts of the val- 

 leys; sometimes in company with A. torreyi. 



Great Bend of the Colorado River. — Occurs on the sand banks on the 

 south side of Vegas Wash. 



UTAH. 



Santa Clara Valley. — Grows in the lower part of the valley. 

 Atriplex torreyi. 



Atriplex torreyi is the largest species of the genus and grows in iso- 

 lated localities throughout the Lower Sonoran zone. Small bushes are 

 sometimes difficult to distinguish from A. lentiformis. 



CALIFORNIA. 



Owens Valley. — A little was seen on the west side of Owens Lake, 

 and a few patches in the narrow valley between Owens Lake and 

 Haway Meadows. 



