Bui. 367, U. S. Dept. of Agriculture. 



Plate V. 



Fig. 1.— Conditions in the Southwest Corner of the Santa Rita Range 



Reserve in 1903. 



The rayless goldenrod is just beginning to occupy bare ground. (Compare with fig. 2.) 



Fig. 2.— Conditions in the Southwest Corner of the Reserve in 1913. 



The ground is almost completely covered with vegetation. Note the large amount of grass 

 in the association; in 1914 a considerable part of the goldenrod was dead as the result of 

 crowding by the grass. (Compare with fig. 1.) 



