CLEMENTS 



Desert Plains 



A. Bouteloua-Arulida association, Sweetwater, Texas. 



B. Boulehua gracilis, Sckropogon brerifolius, and Hilaria mulica valley, B. erinpoda, 



gracilis, racenwsa hills, Van Horn, Texas. 



C. Bouieloua gracilis, hirsula, eriopoda, and Arislida divaricala, Jornada Reserve, Las 



Cruces, New Mexico. 



