PIPER—-FLORA OF THE STATE OF WASHINGTON. 239 
OXYTHECA. 
1. Oxytheca dendroides Nutt. Journ. Acad. Phila. 11. 1: 169. 1847. 
TypE Locauity: ‘On the sand hills of the Rocky Mountains, near Lewis River.” Col- 
lected by Nutall. 
Rance: Washington to Wyoming and Nevada. 
SPECIMENS EXAMINED: Sunnyside, Piper 2847; Pasco, Elmer 1053; Morgans Ferry, 
Suksdorf 444; Egbert Springs, Sandberg & Leiberg 380; Priest Rapids, Brandegee 1061; 
junction of Crab and Wilson creeks, Sandberg &: Leiberg 302. 
ZONAL DISTRIBUTION: Upper Sonoran. 
CHORIZANTHE. 
1. Chorizanthe watsoni Torr. & Gr. Proc. Am. Acad. 8: 199. 1873. 
Type Locauity: “ Nevada, on the borders of the desert, Humboldt, Reese River, and 
Grass valleys.” 
Rance: East Washington to Nevada and California. 
SPECIMENS EXAMINED: Morgans Ferry, Suksdorf 445; Yakima, Leckenby, June, 1898; 
North Yakima, Henderson 2424; Pasco, Piper 2960; junction of Crab and Wilson creeks, 
Sandberg & Leiberg 258; without locality, Brandegee 445; Coulee City, Piper 3876. 
ZONAL DISTRIBUTION: Upper Sonoran. 
CHENOPODIACEAE. GoosrEroor FAMILY. 
Embryo spirally coiled; endosperm scanty or wanting. 
Shrub with monoecious flowers __.. - eee ee ee eee ee eee eee SARCOBATUS (p. 239). 
Herbs with perfect flowers. 
Leaves becoming spiny; fruiting calyx surrounded by a 
wing... .. - wee ee ee eee eee eee eee ee ee eee SALSOLA (p. 240). 
Leaves fleshy ; fruiting calyx wingless.-.....-....------ Donpta (p. 240). 
Embryo annular. 
Endosperm none; stems jointed; leaves scale-like .......... - SALICORNIA (p. 240). 
Endosperm copious; stems not jointed; leaves not scale-like. 
Pericarp adherent to the seed; fruit much exceeding the 
calyx... 2.22220. 2 2 ee eee CorISPERMUM (p. 241). 
Pericarp not adherent; fruit inclosed. 
Flowers unisexual; fruit inclosed by 2 bractlets. 
Shrubs; testa membranous. 
Pericarp hairy.........----------------- Eurotia (p. 241). 
Pericarp glabrous ...........-.-2-------- GrayIia (p. 241). 
Mostly herbs; testa coriaceous .........-.--.--- ATRIPLEX (p. 241), 
lowers periect. 
Sepal 1, bract-like; stamen 1.-............--- MonNoLEPIS (p. 243). 
Sepals 5, united; stamens 5. 
Flowers capitate; calyx fleshyand red infruit. Burrum (p. 243). 
Flowers panicled; calyx dry or scarcely fleshy 
in fruit. .....222222-2-222222 222 a eee CHENOPODIUM (p. 242). 
SARCOBATUS. 
1. Sarcobatus vermiculatus (Hook.) Torr. in Emory, Rep. 149. 1848. GrEAsEWwoop. 
Batis? vermiculatus Hook. Fl. Bor. Am. 2: 128, 1838. 
Type Locauity: ‘‘Common on the barren grounds of the Columbia, and particularly 
near salt marshes.’”’ Collected by Douglas. 
Rance: Washington to Montana, New Mexico, and Arizona. 
