May, 1893.] SHRUBS OF THE DEATH VALLEY EXPEDITION. 317 



Sarcobatus Flat. — Tolerably common in places in tlie northern part 

 of the flat. 



Oasis Valley. — Scarce. Found sparingly above 1,200 meters (4,000 

 feet). 



Emigrant Valley. — Common on the higher slopes and ranging thence 

 easterly over the west slope of the Desert Mountains. 



Timpahute Valley. — One of the principal plants ranging easterly to the 

 summit of the pass over the Pahranagat Mountains (1,830 meters or 

 6,000 feet.) 



Pahranagat Valley. — Tolerably common in dry places, running up to 

 1,050 meters (5,400 feet) on the west side of the valley (Pahranagat 

 Mountain side) with T. spinosa and Grayia spinosa. Some of it was 

 in full flower May 22-26, though it was mostly in bud at that date. 



Desert Valley. — Eanges throughout the low pass across the Higldand 

 Eange between Meadow Creek and Desert valleys. 



Meadow Greek Valley. — Common, ranging easterly for about 13 kilo- 

 meters (8 miles) east of Panaca, where it was first seen. This point 

 constitutes the easternmost limit of the range of the species so far as 

 observed by us. 



Tetradymia spinosa. 



This elegant bush, with conspicuous long straw-yellow spines, is com- 

 mon on many of the higher levels in the southern part of the Great 

 Basin. In early spring when the foliage is freshest it is very hand- 

 some, and later in the season when in fruit and covered with its white 

 woolly tufts of soft feathery plumes it is still more beautiful. It was 

 found in the following localities .- 



CALIFORNIA. 



Wallcer Pass. — Tolerably common among the tree yuccas on the east 

 side of the pass as high up as 1,430 meters (4,700 feet) ; found also on 

 the west slope between 1,250 and 1,400 meters (4,100 and 4,600 feet). 



Kern Valley. — Common on northerly exposures as low as 820 meters 

 (2,700 feet). 



Owens Valley. — Common along the west side of the valley, where it 

 ranges up the east slope of the Sierra opposite Lone Pine to 1,830 or 

 1,890 meters (6,000 to 6,200 feet). On the opposite side of the valley 

 it ranges up the White Mountain slope to 1,980 meters (6,500 feet) or 

 higher. 



Deep Spring Valley. — Occurs in the bottom of the valley with Grayia 

 spinosa, Menodora spinosa, Eurotia lanata, Daleas, and a few others (alti- 

 tude about 1,675 meters or 5,500 feet). 



NEVADA. 



Gold Mountain. — Common on the south slope above 1,675 meters 

 (5,500), and on the north slope below 2,135 meters (7,000 feet). 



Oasis Valley. — Common on gravel soil at the head of the valley at 

 an altitude of about 1,340 meters (4,400 feet). 



