SHREVE 



Plate 20 



A. Flood-plain in Bear Canon at 6,000 feet, with Pinus arizonica, Populus jamesii, an open carpet of 

 summer-active herbaceous perennials, and Sporobolus confusus. 



B. Strcamway in Bear Canon at 6,000 feet, with Pinus arizonica, Juglans rupestris, and Vitis arizonica. 



