PLATE 25 



Fig. 3. Bunehgrass habitat in the prairie area one mile south of Lyon 's 

 Ferry, June 24, 1914. The principal plant is the wheat bunchgrass (Agropyron 

 spicatum). 



Fig. 4. The Touchet Valley, two miles east of Prescott, July 9, 1915. The 

 cottonwood-willow habitat is shown in typical development along the river. 

 The conspicuous trees are cotton woods (Populus tricliocarpa} . The hills and the 

 greater part of the valley were natively covered by bunchgrass, but now are 

 nearly entirely in cultivated fields. 



[346] 



