B'jI. 1105. U. S. Dept. of Agriculture 



Plate X 



Fig. 



I. — Luxuriant Growth of Vetch (Vicia Americana) and Red 

 Yellow Pea (Lotus wrightii) on an Ungrazed Area. 



492I5A 



•AND- 



F 4870IA 



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

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



