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TREES OF MINNESOTA. 



Plate 3. Pinus divaricata. Jack Pine. 



i. Branch bearing staminate flowers, one-half natural size. 2. Branch 

 bearing pistillate flowers, one-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. 



