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TREES OF MINNESOTA. 



Plate ii. Psendotsuga taxifolia. Douglas Spruce. 



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

 iuate flower, enlarged. 3. Branch bearing pistillate flowers, one-half natural 

 size. 4. Seeds with wings attached, one-half natural size. 5. Fruiting 

 branch, one-half natural size. 6. Cone-scale, lower side, showing bract, 

 one-half natural size. 7. Uone-scale, upper side, showing seed scars, one- 

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

 size. 9. Needle, natural size. 10. Cross section of needle, n. Winter buds. 



