May, 1893.] SHRUBS OF THE DEATH VALLEY EXPEDITION. 309 



Arnphiacliyris fremontii. 



This handsome little bush, which is common on parts of the Mohave 

 Desert, was collected in the Valley of the Virgin near Bunkerville, 

 Nevada. 



Acamptopappus sphaerocephalus. 



This composite desert shrub is abundant on many of the deserts and 

 was common in the narrow valley between Owens Lake and Haway 

 Meadows, California. 



Aplopappus monactis. 



Collected on Sarcobatus Flat, omthe southwestern edge of the Eals- 

 ton Desert, Nevada. 



Bigelovia douglassi. 



This species is not found in the desert bottoms, but is common among 

 the sage brush and junipers on many of the mountain sides. 



CALIFORNIA. 



Walker Pass. — Becomes abundant at an altitude of 1,430 meters 

 (4,700 feet) on the east side and ranges up over the summit of the pass. 

 On the west side it descends plentifully to 1,250 meters (4,100 feet). 

 . Kern Valley. — Occurs on the north exposures as low down as 820 

 meters (2,700 feet). 



Tehacha/pi Basin. — Occurs. 



Canada de las Uvas. — Common. 



Bigelovia graveolens. 



This Upper Sonoran desert species was common in the extreme west- 

 ern end of the Mohave Desert (Antelope Valley) and was found in a 

 wash leading thence southerly toward Peru Creek, along with tree 

 yuccas, sage brush, and Isomeris. Specimens provisionally referred 

 to the same species by Mr. Coville were collected at Beaverdam, Ari- 

 zona. 



Bigelovia teretifolia. 



Collected on Gold Mountain, Nevada, at an altitude of 1,830 meters 

 (6,000 feet) June 3. 



A large and rank species, supposed to be the same, was found in 

 abundance in many of the dry washes of the desert ranges from Emi- 

 grant Canon in the Panamint Mountains, California, eastward to the 

 Pahranagat and Hyko ranges, Nevada, and the Beaverdam Mountains, 

 Utah. On the west slope of the latter range it was found up to 1,340 

 meters (4,400 feet). 



Baccharis glutinosa. 



No species of Baccharis was observed on the western side of the 

 Great Basin, but one or more species were found in great abundance 

 at the Bend of the Colorado Biver, in Nevada, and in the Valley of the 

 Virgin and Lower Muddy, and also on the flat at the mouth of Beaver- 

 dam Creek, in northwestern Arizona, 



