Bui. 24 Div. of Forestry. U. S Dept of Agr. 



Plate XXVll. 



03 



> 



r 



> 



s 



CO 



z 

 o 



c 

 z 



D 



"0 



> 



> 



o 

 o 



< 

 m 



3; 



O 



z 



c 

 s 



tn 



X 



tn 

 D 



> 



z 

 o 



> 



g 



X 



O 



z 

 o 

 > 

 o 



O 



c 

 z 

 H 

 > 



o 



33 



