Bui. 24, Div. of Forestry, U. S. Dept. o* Agr. 



Plate XXXVIII. 





C3" 



o 



3 





c 

 ^ 5" 



r 

 O 

 ■o 



m 



O 



< 

 m 



I 

 o 



I 



CD 

 > 



z 

 o 



o 



-n 

 CO 



I 



m 

 m 

 •0 



I 

 > 



o <" 



S'S. 

 o 



fl) c 



"Si 



0) 

 D. 



m 



> 



CO 



H 

 m 



z 



CO 

 r 

 O 

 ■0 



m 



O 



> 



o 



> 



D 



m 



o 



c 

 z 



:: ^ 



3 



c 



o 

 o 



O 



o 



c 



O 



X 



m 

 D 

 O 



2 



