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TREES OF MINNESOTA. 
Plate 3. Pinus divaricata. Jack Pine. 
Branch bearing staminate flowers, one-half natural size. 2. Branch 
bearing pistillate flowers, cae-half natural size. 3. Staminate flower, nat- 
ural size. 4. Anther, open, enlarged. 5. Scale of pistillate flower, en- 
larged. 6. Branch bearing ripened cones and young cones, one-half nat 
ural size. 7. Scale of cone with seeds attached, one-half natural size. 
8. Fascicle of needles, one-half natural size. 9. Cross section of needle. 
10. New growth showing several whorls of branches, one-half natural size 
11. Seedling, one-half natural size. 
I. 
