PIPEK FLORA OF THE STATE OF WASHINGTON. 239 



OXYTHECA. 



1. Oxytheca dendroides Nutt. Juuin. Acad. Phihi. iT. 1: 169. 1847. 



Type locality: "On the sand hills t)l' tho Rocky Mouiitaiius, near Lewis River." Col- 

 lected by Nutall. 



Range: Washington to Wyoming and Nevada. 



Specimens exAxMINEd: Sunnyside, Piper 2847; Pasco, Elmer 1058; Morgans Ferry, 

 Sidsdotf -iii; Egbert ^Springs, Sandberg tfc Leiberg 380; Priest Rapids, Brandegee 1061; 

 jiHiction of Crab and Wilson creeks, Sandherg cfr Leiberg 302. 



Zonal distribution: Upper Sonoran. 



CHORIZANTHE. 



1. Chorizanthe watsoni Torr. l'v: Gr. Proc. Am. Acad. 8: 199. 1873. 



Type locality: " Nevada, on tlie borders of tiie desert, Hiinil)()ldt, Reese River, and 

 Grass valleys." 



Range: East Washington to Nevada and California. 



Specimens examined: Morgans Ferry, Suksdoif 445; Yakima, Leclenbg, June, 1898; 

 North Yakima, Henderson 2424; Pasco, Piper 2960; junction of Crab and Wilson creeks, 

 Sandberg cfc Leiberg 258; without locality, Brandegee 445; Coulee City, Piper 3876. 



Zonal distribution: Upper Sonoran. 



CHENOPODIACEAE. Goosefoot Family. 



Embryo spirally coiled; endosperm scanty or wanting. 



Shrub with monoecious flowers Saucobatus (p. 239). 



Herbs with perfect flowers. 



Leaves becoming spiny; fruiting calyx surroutided by a 



wing - - Salsola ( p. 240) . 



Leaves fleshy; fruiting calyx wingless Dondia (p. 240). 



Embryo annular. 



Endosperm none; stems jointc^d ; leaves scale-like Salicornia (p. 240). 



Endosperm copious; steins not jointed; leaves not scale-like. 

 Pericarp adherent to the seed; fruit much exceeding the 



calyx . Corispermum (p. 241). 



Pericarp not adiierent; fruit inclosed. 



Flowers unisexual; fruit inclosed l)y 2 bi-actlets. 

 Shrubs; testa membranous. 



Pericarp hairy Eurotia (p. 241). 



Pericarp glabrous Grayia (p. 241). 



Mostly herbs; testa coriaceous Atriplex (p. 241). 



lowers perfect. 



Sepal 1 , bract-like; stamen 1 . Monolepis ( p. 243) . 



Sepals 5, united; stamens 5. 



Flowers capitate; calyx fleshy and red in fruit. Blitum (p. 243). 

 Flowers panicled ; calyx dry or scarcely fleshy 



in fruit Chenopodium(p. 242). 



SARCOBATUS. 



1. Sarcobatus vermiculatus (llook.) Torr. in Emory, R(^p. 149. 184S. Grease wood. 



Balis'? vermiculatus Uook. Fl. Bor. Am. 2: 128. 1838. 



Type locality: "Common on the barren grounds of the Columbia, and particularly 

 near salt marshes." Collected by Douglas. 



Range: Washington to Montaua, New Mexico, and Arizona. 



