Bui. 201, U. S. Dept. of Agriculture. 



Plate IX. 



Fig. 1.— A General Valley Pasture, Made up of Panicum Obtusum, Chloris 

 Elegans, Species of Bouteloua, and Various Weedy Plants. 



Fig. 2.— Valota Saccharata in Mountain Foothills, Southern Arizona. 



