66 MISSOURI BOTANICAL GARDEN. 
cent on both sides; white beneath, slightly darker above; 
petioles 3 to 7 mm. long; staminate racemes short, 1 to 2 
mm. long, .5 cm. of the base generally being nude; _pedi- 
cels 2 mm. or less long; flowers 2 to 3 mm. broad, sepals 
ovate; stamens 6 to 10; pistillate racemes short, 1- to 3- 
flowered; styles 3, very short (1 to 1.5 mm. long), twice 
bicleft; capsule globose, small, about 3 mm. tall. — Inter- 
grades with var. longipes and var. tenuis. 
Specimens examined from California (Cooper, Soda Lake, Ft. Mohave, 
1860-61, one of the forms included in C. tenuis by Watson; Eastwood, 
‘Between Rose Sta. and Adobe Sta.; between Bakersfield and Tejon 
Pass, Kern Co., 1894.” Common on the desert. “ These plants are 
erect but with the branches curving inward at the top so that the effect 
of the whole is brushy, like a tumble-weed somewhat, or like Eriogonum 
nidularium, on a large scale, or like the Rose of Jericho; ’’ Orcutt? in M. 
B. G. Herb; Emory, Colorado Desert, 1846; Schott, III., no. 5, Diluvial 
banks of the Colorado del Oeste, 1855; LeConte, Southern Cal.; S. B. 
and W. F. Parish, no. 1236, on the desert at Whitewater, 1882); Arizona 
(Palmer, no. 2, 1869, and one credited to N. Arizona, 1869; Lemmon, no. 
236, Camp Lowell, 1880; Dr. Swart, no. 37, Verde river, 1866); Nevada 
(Bailey, no. 1918, Valley of the Virgen River, Lincoln Co.). 
b, Staminate raceme usually 4 cm. or more long. 
C. Neo-Mexicanus Muell. Arg. Linnaea $4:141. 1865; 
DC. Prod. 15?: 690. 1866; Coulter, Bot. West. Texas 
400. 1894. C. procumbens Torrey, Bot. Mex. Bound. 
Surv. 195. 1859.— In part. Oxydectes Neomexicanus 
Kuntze, Rev. Gen. Plant. 612. 1891. 
Suffruticose, several erect stems from a woody base, 3 to 
16 dm. high, slender, dichotomous; stems, branches, lower 
side of leaves, and inflorescence densely covered with 
deeply radiate scales, the entire plant argenteous except 
the upper sides of the leaves which are generally green, 
not so scaly; leaves entire, narrowly oblong, lanceolate or 
elliptical, 1 to 4 cm. long, 5 to 15 mm. broad; petioles 
short, one fourth to half the length of the leaves; stipules 
obsolete; dioecious; staminate racemes 4 to 8 em. long or 
longer, base nude, many flowered; bracts short, narrow; 
pedicels 3 to 4 mm. long; calyx equally 5-cleft, the sepals 
