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TREES OF MINNESOTA. 



Plate 1. Pinus strobus. White Pine. 



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

 ing pistillate flowers and young cones, one-half natural size. 3. Anther, side 

 view, enlarged. 4 and 5. Scales of pistillate flower, side and top views, enlarged. 

 G. Autumn branch bearing young cones, one-half natural size. 7. Fruiting 

 branch bearing open cone, one-half natural size. 8. Scale of cone with seeds at- 

 tached, one-half natural size. 9. Seeds with wings attached, one-half natural 

 size. 10. Seeds, enlarged. 11. Seedling plant. 



