36 g> o b t e I s t a 



found in the gulches. Quaking asps 

 form small clumps and patches in 

 slightly moist soil. The narrow leaved 

 poplar, the cottonwood, chokecherry, 

 alder and various willows find places 

 along the streams. The mountain 

 maple (Acer glabrum), Opulaster, alder, 

 Juneberry, Edwinia, Cercocarpus and 

 Ribes occur on the hillsides in various 

 situations. One of the first plants to 

 flower in the spring is the Oregon 

 grape (Berberis aguifolium), a low 

 woody plant whose leaves remain green 

 throughout the winter. The herba- 

 ceous plants are chiefly those previously 

 mentioned as occurring on the mesas 

 or to be mentioned later in discussing 

 the mountain parks. The foothills, 

 like the mesas, vary much with the 

 different seasons. Beautifully green 

 after the spring snows, they remain of 

 this color for a month or two, when 



