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TREES OF MINNESOTA, 



Plate 12. Abies balsamea. Balsam Fir. 



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

 ing pistillate flowers, one-halt' natural size. 3. Anther, open, rear view, enlarged. 

 4. Branch bearing mature cone, one-half natural size. 5. Branch bearing axes 

 of cones after scales have fallen, one-half natural size. ti. Seeds with wings at- 

 tached, natural size. 7. Seed, enlarged. 8. Scale of cone, upper view, natural 

 size. y. Scale of cone, lower view, natural size. 



