Fig. 64. GRAY BIRCH. 



Trunk 4-9 inches in diameter. 



Fig. 65. RIVER BIRCH. 

 Trunks 6 inches in diameter. 



Fig. 66. SLIPPERY ELM. 

 Trunk 26 inches in diameter. 



Fig. 67. SASSAFRAS. 

 Trunk 26 inches in diameter 



