(356) 
2. GRAYIA. 
1. Grayia spinosa (Hook.) Mog. in DC. Prod. 13, pt. 2: 119. 
1849. 
Chenopodium spinosum Hook. Fl. Bor. Am. 2: 127. 1838. 
Grayia polygaloides Hook. & Arn. Bot. Beechy 388. 1841. 
Type locality: “Interior of California, Nov. 1826; Mr. Douglas 
Snake country, Mr. Tolmie.” 
Distribution: Eastern Washington and Wyoming southward 
through the Great Basin to the Mohave Desert of southern Cali- 
fornia. Lower Sonoran. 
Specimens examined: Near Willow Springs, Abrams &§ McGregor 
826; Palmdale, Elmer 3613. 
8) | ALU AS 
1. Eurotia tanaTta (Pursh) Mog. Chenop. Mon. Enum. 81. 
1840. 
Diotis lanata Pursh, Fl. Am. Sept. 2: 602. 1814. 
Type locality: ‘On the banks of the Missouri in open prairies.” 
Distribution: Eastern Washington and the Saskatchewan south- 
ward to New Mexico and southern California, where it is confined 
to the desert districts. Lower Sonoran. 
Specimens examined: Desert slopes of the Tehachapi Moun- 
tains, near Willow Springs, Abrams &F McGregor 427; Palmdale, 
Elmer 3677; Abrams &F McGregor 512; near Barstow, Hall 6164. 
4. ALLENROLFEA. 
1. ALLENROLFEA OCCIDENTALIS (S. Wats.) Kuntze, Rev. Gen. Pl. 
2: 546. A891; 
Halostachys occidentalis S. Wats. Bot. King Exped. 5: 293. 1871. 
Spirostachys occidentalis S. Wats. Proc. Am. Acad. 11: 125. 
1874. 
Type locality: “About Great Salt Lake and in alkaline valleys 
westward to the sinks of the Carson and Humboldt Rivers, where 
it grows luxuriantly in large tracts that would be otherwise des- 
titute of vegetation.” 
Distribution: Great Basin southward to western Texas and 
New Mexico and westward to California. In California this 
species occurs in very strong alkaline or saline places from Liver- 
