on 



of crags, pines, ferns, and flowers, he would, in so 

 doing, go through many life-zones and see numer- 

 ous standing and moving life-forms, all struggling, 

 yet seemingly all contented with life and the 

 scenes wherein they live and struggle. 



The broad-leaf cottonwood, which has accom- 

 panied the streams across the plains, stops at the 

 foothills, and along the river in the foothills the 

 narrow-leaf cottonwood (Populus angustifolid) 

 crowds the water's edge, here and there mingling 

 with red-fruited hawthorns and wild plums (Pru- 

 nus Americana). A short distance from the 

 stream the sumac stands brilliant in the autumn, 

 and a little farther away are clumps of grease- 

 wood and sagebrush and an occasional spread of 

 juniper. Here and there are some forlorn-looking 

 red cedars and a widely scattered sprinkling of 

 stunted yellow pines (Pinus scopulorum). 



At an altitude of six thousand feet the yellow 

 pine acquires true tree dignity and begins to mass 

 itself into forests. When seen from a distance its 

 appearance suggests the oak. It seems a trifle 

 rigid, appears ready to meet emergencies, has a 

 look of the heroic, and carries more character than 



200 



