FOREST FORMATIONS AND FOREST TREES 



73 



Fig. 65. — Pink Locust (Robinia neo-mexi 

 carta). X J. 



Fig. 66. — Rocky Mountain Maple (Acer 

 glabrum). Xj. 



Fig. 67. — Box Elder (Acer interior). XJ'. 



Fig. 68. — Sumac (Rhus glabra). X$. 



