WHITE POPLAR. 



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Plate 25. Populus alba. White Poplar. 



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

 ng branch from pistillate tree, one-half natural size. 3. Scale of staminate cat- 

 kin, enlarged. 4. Scale of pistillate catkin, enlarged. 5. Summer branch, one- 

 half natural size. 6. Fruiting branch, one-half natural size. 7. Winter branch - 

 let. one-half natural size. 8. Seedling. 



