Bul. 460, U. S. Dept. of Agriculture. PLaTE Ill. 
om) 
A ; 
fy 
if} 
PINUS FLEXILIS: FOLIAGE AND LARGE FORM OF OPEN CONES (ATTACHED). 
a, Detached small form of open cone; b, upper side of cone scale with its seeds; ¢c, lower side of cone scale 
