(354) 
2. AtripLEX Brewer S. Wats. Proc. Am. Acad. 9: 119. 1874. 
Atriplex orbicularis S. Wats. Proc. Am. Acad. 17: 377.° 1882. 
Type locality: “On the seashore at Santa Monica (Brewer) 
and Santa Barbara, Torrey.” 
Distribution: Bluffs and low places, especially in clay soil, along 
the seashore from Santa Barbara to northern San Diego County. 
Upper Sonoran. 
Specimens examined: Santa Barbara Torrey 459; Elmer 4016; 
Ventura, Hasse 4193; Santa Monica, Brewer, Dec. 1860, Abrams 
2189. 
3. AtripLex Torrey S. Wats. Proc. Am. Acad. 9: 119. 1874. 
Obione Torreyi S. Wats. Bot. King Exped. 290. 1871. 
Type locality: “In dry valleys bordering the Truckee and 
Carson Rivers,”’ Nevada. 
Distribution: Western Nevada and southern Utah to Antelope 
Valley, Mohave Desert, where it is common about Lancaster and 
Willow Springs. Lower Sonoran. 
Specimens examined: Lancaster, Wells, Dec. 1909. 
3. ATRIPLEX POLYcARPA (Torr.) S. Wats. Proc. Am. Acad. 9: 
L173) Oy; 
Obione polycarpa Torr. Pacif. R. Rep. 4: 130. 1857. 
Type locality: “Hills and gravely places, on William’s River.” 
Distribution: Deserts of southern California eastward to 
Arizona. Lower Sonoran. 
Specimens examined: Colorado Desert, Pringle, Oct. 24, 1882; 
Emory, Oct. 28, 1846. 
4. ATRIPLEX CONFERTIFOLIA (Torr. & Frem.) S$. Wats. Proc. 
Am. Acad. 17: 119. 1874. 
Obione confertifolia Torr. & Frem. Second Rep. 318. 1845. 
Obione spinosa Mog. in DC. Prod. 13, pt. 2: 108. 1849. 
Atriplex spinosa Dietrich, Syn. Pl. 5: 536. 1852. 
Type locality: “On the borders of the Great Salt Lake.” 
Distribution: Southern Idaho and Wyoming south to New 
Mexico and northern Mexico, and eastward to the deserts of south- 
ern California. Growing in alkaline soil. Lower Sonoran. 
Specimens examined: Lancaster, Elmer 3691; Abrams 9 Mc- 
Gregor 511, Willow Springs, Abrams {F McGregor 410. 
