BjI. 1105. U. S. Dept. of Agriculture 



PLATE X 



1 ■***- -*>" •■ m 



Bw»t*T*w **£IJuJu 



F 492I5A 



Fig. I. — Luxuriant Growth of Vetch (Vicia Americana) and Reo-and- 

 Yellow Pea 'Lotus wrightii) on an Ungrazed Area. 



F— 4870 1 A 



Fig. 2. — Pingus (Hymenoxys floribunda) and Senecio (Senecio spar- 

 tioides), Both Noxious Weeds, Found Chiefly on Overgrazed Range. 



