Bui 35, Bureau of Forestry, U. S. Oept. of Agriculture. 



Plate LXXXlX. 



< 



o 

 c 

 z 

 o 



m 



c 

 o 

 > 



r 

 < 



"0 



> 



H 



m 

 x 



TJ 



m 



31 



m 



z 



H 



CO 

 H 

 > 



> 



33 



"0 



I 



o 

 m 



> 



N 





> ■ 



