34 



A PRIMER "OF FORESTRY. 



8 



FIG. 31. Winged seeds: l.B.isswood; 2,Boxelder ; 3, Elm; 4, Fir; 5 to 8, Pine. 



PIG. 32 Cones: Beginning at the left, these cones come from Coulter's Pine, 

 the Western White Pine, the Eastern White Pine, the Knob-Cone Pine, the 

 Fox-Tail Pine, the Pitch Pine, the Lodgepole Pine, the Red Fir, the Short- 

 leaf Pine, the Eastern Hemlock, and the Eastern Arbor Vit;u. 



