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TREES OF MINNESOTA. 



Plate 11. Pseudotsuga taxifoJia. Douglas Spruce. 



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

 ing pistillate flowers, one-half natural size. 3. Staminate flower, enlarged. 4. 

 Anther, open, side view, enlarged. 5. Fruiting branch, one-half natural size. 6. 

 Scale of cone, front view, one-half natural size. 7. Scale of cone, rear view, 

 showing bract, one-half natural size. 8. Scale of cone, side view, showing bract, 

 one-half natural size. 9. Seeds with wings attached, one-half natural size. 10. 

 Needle, natural size. 11. Cross section of needle. 



