WOOTON AND STAISTDLEY FLORA OF NEW MEXICO. 209 



9. Chenopodium incanum (S. Wats.) Heller, PL World 1: 23. 1897. 

 Chenopodium fremontii incanum S. Wats. Proc. Amer. Acad. 9: 94. 1874. 

 Type locality: "Colorado and New Mexico." 



Range: Colorado to New Mexico, Arizona, and western Texas. 



New Mexico: Farmington; Carrizo Mountains; Sierra Grande; Nara Visa; Santa 

 Fe; Mule Creek; Silver City Draw; Mesilla Valley; Wliite Mountains. Dry hills and 

 plains, in the Lower and Upper Sonoran zones. 



10. Chenopodium paganum Reichenb. Fl. Germ. 579. 1830. 

 Chenopodium viride of many authors, not L. 1753. 



Type locality: Germany. 



Range: Native of Europe, widely introduced into North America. 

 New Mexico: Sandia Mountains; Harveys Upper Ranch; Wliite and Sacramento 

 mountains. 



11. Chenopodium fremontii S. Wats, in King, Geol. Expl. 40th Par. 5: 287. 1871. 

 Type locality: "Collected by Fremont on the North Platte." ■ 



Range: Montana and South Dakota to Arizona and northern Mexico. 



New Mexico: Farmington; Chama; Tunitcha Mountains; Carrizo Mountains; Glo- 

 rieta; Santa Fe; West Fork of the Gila; Mineral Creek; Organ Mountains; Agricultural 

 College; White and Sacramento mountains. Upper Sonoran and Transition zones. 



12. KOCHIA Roth. 



Low perennial, 20 cm. high or less, from a woody base; stems numerous, simple, 

 erect; leaves terete, fleshy; flowers solitary or clustered in the axils; perianth tomen- 

 tose, persistent, the lobes transversely winged; stamens 5, usually exserted; ovary 

 tomentose; seed horizontal. 



1. Kocliia americana S. Wats. Proc. Amer. Acad. 9: 93. 1874. 



Type locality: "Foothills and valleys from northern Nevada to southern Wyo- 

 ming and southward to Arizona and south Colorado." 



Range: Wyoming and Colorado to California and northwestern New Mexico. 



New Mexico: Carrizo Moimtains (Standley 7468). Dry hills, in the Upper Sonoran 

 Zone. 



Kochia scoparia Schrad., an annual species, has been cultivated at Albuquerque, 

 and probably will be found escaped. 



43. AMARANTHACEAE. Amaranth Family. 



Herbaceous-stemmed, erect, diffuse, or prostrate annuals or perennials with alternate 

 or opposite exstipulate leaves, and with apetalous flowers in crowded, axillary or 

 terminal, bracted heads or simple or paniculately branched spikes; sepals scarious or 

 herbaceous; stamens 5 or fewer (staminodia present in some), mostly hypogynous; 

 pistil simple, the ovary mostly 1-seeded; fruit a utricle or pyxidium. 



key to the genera. 



Anthers 4-celled; leaves alternate; plants mostly 

 glabrous, never conspicuously white-hairy. 

 Perianth present in all flowers; bracts not much 



enlarged and not cordate in fruit 1 . Amaranthus (p. 210). 



Perianth wanting in pistillate flowers; floral bracts 



much enlarged and broadly cordate in fruit. . 2. Acanthochiton (p. 213). 

 52576°— 15 14 



