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TREES OF MINNESOTA. 



Plate 20. Salix alba. White Willow. 



i. Flowering branch from staminate tree, one-half natural size. 2. 

 Flowering branch from pistillate tree, one-half natural size. 3. Scale of 

 staminate catkin, enlarged. 4. Scale of pistillate catkin, front view, en- 

 larged. 5. Scale of pistillate catkin, rear view, enlarged. 6. Fruiting 

 branch, one-half natural size. 7. Leaf, one-half natural size. 8. Winter 

 branchlet, one-half natural size. 9. Seedling. 



