212 CONTRIBUTIONS FEOM THE NATIONAL HERBARIUM. 



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Range: Southwestern New Mexico to southern California. 



New Mexico: Santa Rita. 



Easily recognized by the obovate seed. 



5. Amaranthus wrightii S. Wats. Proc. Amer. Acad. 12: 275. 1877. 



Type locality: Copper Mines, New Mexico. Type collected by Wright (no. 1748, 

 in part). 

 Range: Western Texas to southern Arizona. 

 New Mexico: Santa Rita; Mineral Creek. 



6. Amaranthus powellii S. Wats. Proc. Amer. Acad. 10: 347. 1875. 

 Type locality: Arizona. 



Range: Western Texas, Colorado, New Mexico, Arizona, and nortliern Mexico. 



New Mexico: Tunitcha Mountains; Winsors Ranch; Rio Alamosa; Chama; Pecos; 

 Mule Creek; Trujillo Creek; Fort Bayard; Organ Mountains; San Luis Mountains; 

 White and Sacramento mountains. Lower and Upper Sonoran zones. 



A common weed in waste and cultivated ground. 



7. Amaranthus bracteosus Uline & Bray, Bot. Ciaz. 19: 314. 1894. 

 Amaranthus viscidulus Greene, Pittonia 3: 344. 1898. 



Type locality: "New Mexico," probably about Santa Fe. Type collected by 

 Fendler (no. 735). 



Range: New Mexico. 



New Mexico: Pecos; \Vhite Mountains; Silver City Draw. Open hills, in the 

 Upper Sonoran and Transition zones. 



The tj'pe oi A. viscidulus was collected in the A^Tiite Mountains by Wooton (no. 300). 



8. Amaranthus retroflexus L. Sp. PI. 991. 1753. 

 Type locality: "Habitat in Pennsylvania." 



Range: Widely scattered in fields and waste land in North America. 

 New Mexico: Waste and cultivated ground nearly throughout the State. 



9. Amaranthus hybridus L. Sp. PI. 990. 1753. 

 Type locality: "Habitat in Virginia." 



Range: Waste ground nearly throughout North America except in the extreme 

 north. 

 New Mexico: San Juan Valley. 



10. Amaranthus paniculatus L. Sp. PI. ed. 2. 1406. 1763. 



Amaranthus hybridus paniculatus Uline & Bray, Mem. Torrey Club 5: 145. 1894. 



Type locality: "Habitat in America." 



Range: Temperate and tropical North America. 



New Mexico: Shiprock; Zuni; Mesilla Valley. Chiefly a weed in cultivated or 

 waste ground . 



This is easily distinguished from all our other species by the reddish color of the 

 leaves and inflorescence. With us it seems to have escaped from cultivation and it 

 is becoming naturalized in various places. 



11. Amaranthus bUtoides S. Wats. Proc. Amer. Acad. 12: 273. 1877. 



Type locality: "Frequent in the A^alleys and plains of the interior, from Mexico 

 to N. Nevada and Iowa, and becoming introduced in some of the Northern States 

 eastward . ' ' 



Range: New York to Montana, Louisiana, and California, introduced eastward. 



New Mexico: Common in dry fields and waste ground, in the Lower and Upper 

 Sonoran zones. 



A low spreading weed, forming thick circular mats on waste ground, also occurring 

 in gardens and fields.* 



