WOOTON AND STANDLEY FLORA OF NEW MEXICO. 203 



1. Atriplex elegans (Moq.) D. Dietr. Syn. PI. 5: 537. 1852. 

 Ohione elegans Moq. in DC. Prodr. 13^: 113. 1849. 



Type locality: "In regnl Mexicani Sonore alta." 



Range: Western Texas to California, southward into Mexico. 



New Mexico: Mesilla Valley; Cienaga Ranch; near Duncan. Dry fields, in the 

 Lower Sonoran Zone. 



A common dooryard and wayside weed in the southern part of the State, readily 

 recognized by the characteristic lenticular, many-toothed , small fruiting bracts, which 

 are borne in great abundance. 



2. Atriplex wrlghtii S. Wats. Proc. Amer. Acad. G: 113. 1874. 

 Type locality: "New Mexico and Arizona." 



Range: Southern New Mexico, Arizona, California, and adjacent Mexico. 



New Mexico: Mule Creek; Gila; Mangas Springs. Sonoran zones. 



A tall coarse annual weed of the southwestern part of the State, common in the 

 Gila bottoms. The terminal paniculate spikes of staminate flowers, somewhat scanty 

 fruit, and leaves glabra te aboA^e serve to separate it from our other allied New Mexican 

 species. 



3. Atriplex hastata L. Sp. PI. 1053. 1753. 

 Atriplex carnosa A. Nels. Bot. Gaz. 34: 361. 1902. 

 Type locality: European. 



Range: Montana and Nebraska to Kansas and New Mexico and along the Atlantic 

 coast; also in Europe and Asia. 



New Mexico: Farmington; Bloomfield; Dulce; Rio San Jose. Alkaline soil, in 

 the Upper Sonoran Zone. 



4. Atriplex powellii S. Wats. Proc. Amer. Acad. 9: 114. 1874. 

 Type locality: Arizona. 



Range: Utah and Colorado to New Mexico and Arizona. 



New Mexico: South of Gallup; Zuni; Aztec; Dulce. Plains, in the Upper 

 Sonoran Zone. 



A common plant of the open alkaline flats of the northwestern part of the State. 

 The stems are rather slender and the inflorescence consists of crowded axillary 

 glomerules subtended by reduced leaves at the ends of the stems. The leaves are 

 from ovate to narrowly lanceolate, acute or short-acuminate, glabrate above, white- 

 scurfy beneath, decurrent into a petiole almost as long as the blade, entire, with 

 conspicuous veins. 



5. Atriplex saccaria S. Wats. Proc. Amer. Acad. 9: 112. 1874. 

 Atriplex cornuta Jones, Proc. Calif. Acad. II. 5: 718. 1895. 

 Atriplex argentea cornuta Jones, Contr. West. Bot. 11: 21. 1903. 

 Type locality: Desert plains of southern Wyoming or northern Utah. 

 Range: Wyoming, Colorado and Utah to northern Arizona and New Mexico. 

 New Mexico: Carrizo Mountains {Standley 7359). Dry hills, in the Upper Sonoran 



Zone. 



6. Atriplex rosea L. Sp. PI. ed. 2. 1493. 1763. 

 Atriplex spatiosa A. Nels. Bot. Gaz. 34: 360. 1902. 

 Type locality: European. 



Range : Utah and Wyoming to New Mexico and Kansas. 



New Mexico: Chama; Farmington; Carrizo Mountains; Agricultural College. 

 Dry hills and in river valleys, in the Lower and Upper Sonoran zones. 



7. Atriplex expansa S. Wats. Proc. Amer. Acad. 9: 116. 1874. 



Type locality: " From New Mexico and Southern Colorado to Southern (California." 

 Range: As under type locality. 



