WOOTON AND STANDLEY—FLORA OF NEW MEXICO, 199 
Stems not jointed; leaves never scalelike, mostly broad 
and flat. 
Flowers moncecious or dicecious. 
Pericarp and plant densely hairy........... ° Evrotta (p. 201). 
Pericarp not hairy; plant more or less scurty.. . ATRIPLEX (p. 201). 
Flowers perfect. 
Fruit dorsally flattened (narrowly winged), ex- 
serted from the calyx.......-.-.----. 7. CORISPERMUM (p. 205). 
Fruit not dorsally flattened, inclosed in the 
calyx. 
Fruiting calyx transversely winged. 
Flowers paniculate; leaves broad, flat, 
toothed ..................200. 8. CycLoLoma (p. 206). 
Flowers axillary; leaves terete....... 12, Kocura (p. 209). 
Fruiting calyx not winged. 
Sepals and stamens each 1.......... 9. Monoxzpis (p. 206). 
Sepals 3 to 5; stamens 1 to 5. 
Fruiting calyx fleshy, reddish; 
plants glabrous........... 10. Burrum (p. 206). 
Fruiting calyx herbaceous, green- 
ish; plants mostly mealy 
orscurfy..............-- 11. CHENOoPODIUM (p. 206). 
1. SARCOBATUS Nees. GREASEWOOD. 
A divaricately branched shrub with linear fleshy leaves; staminate flowers naked, 
in aments; pistillate flowers with a saccate calyx adherent at the 2-lipped apex to the 
base of the stigmas; calyx laterally margined with an erect 2-lobed border, this finally 
becoming a broad membranous wing. 
1. Sarcobatus vermiculatus (Hook.) Torr. in Emory, Mil. Reconn. 149. 1848. 
Batis ? vermiculatus Hook. Fl. Bor. Amer. 2: 128. 1838. 
Fremontia vermicularis Torr. in Frém. Rep. Exped. Rocky Mount. 95. pl. 3. 1845. 
TypEr Locauity: ‘‘Common on the barren grounds of the Columbia, and particu- 
larly near salt marshes.”’ 
RancGeE: Washington to Montana, Arizona, and New Mexico. 
New Mexico: Carrizo Mountains; San Juan Valley; Gallup; Zuni; Puertecito; 
Patterson, Alkaline soil, in the Upper Sonoran Zone. 
This shrub grows to be 2 to 3 meters high, though the commoner form is lower, 
probably as a result of browsing. The leaves are bright green, terete, and succulent; 
the young branches are pale yellowish white and rigidly divaricate, the shorter branch- 
lets thornlike. Also known as ‘‘chico” or ‘‘chico bush.”’ 
2. SALSOLA L. 
Annual herb, densely branched, with rigid awl-shaped leaves; flowers perfect, 
with 2 bractlets; calyx 5-parted, the segments finally horizontally winged on the 
back; stamens usually 5; styles 2; flowers sessile, axillary. 
1. Salsola pestifer A. Nels. in Coulter, New Man. Rocky Mount. 169. 1909. 
RUSSIAN THISTLE. 
Salsola tragus of American authors, not L. 
Type Loca.ity: Not stated. 
Rance: Widely introduced as a weed in North America; a native of the Old World. 
New Mexico: Common at lower altitudes throughout the State. 
One of the commonest introduced weeds on waste lands, along roadsides, and to 
some extent in fields on the open range. In some places it covers cultivated fields 
