% 4 yee 
AB re 
(RRESFE ORE 
ABA IAL 9 4 
PLATE VI. 
Rhine. Sota” 
ig ik eee 
ie 
Bul. 523, U.S. Dept. of Agriculture. 
F-9WDS 
F-8WDS 
—Blue ash (F. quedrangulaia). 
2. 
FIG 
iana). 
im 
caroli 
1.—Water ash (F. 
Fic 
* 
= 
xs 
2: 
Rin aay 
sat 
ae 
~~ 
ay 
F-10WDS 
igra). 
. 
Fic. 3.—Black ash (F. n 
MAGNIFIED 50 DIAMETERS. 
TRANSVERSE SECTIONS OF ASH Woop, 
