PINES. 



137 



Plate 3. Pinus divaricata. Jack Pine. 



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

 ing pistillate flowers, one-half natural size. 3. Staminate flower, natural size. 

 4. Anther, open, enlarged. 5. Scale of pistillate flower, enlarged, ti. Branch bear- 

 ing ripened cones and young cones, one-half natural 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. 



