Bui. 523, U. S. Dept. of Agriculture. 



Plate V 



Fig. 1.— Pumpkin ash {F. -profunda). 



F-6WDS 



Fig. 2. — Blue ash {F. quadrangulata'). 



i 



^^^I^^Ki^pfflB^^aj 8^ 







1^^ 



/ JSSmBs 



j^ssmmsm 

















W wtCT Sy^wSbgri IIWS9 









MWAmM4A.ocui nwnn 





HX 



sx IBS 1 K T T 1 k ^MHfMrnTf ff ' 





V& 



pH^^^ra 









^^^^^S 





L^^^^^gi 







i^S^^^^« 





P 



ra^^^^^^p 









Fig. 3. — Biltmore ash (F. biltmoreana). 

 Transverse Sections of Ash Wood, Magnified 50 Diameters. 



