WALNUT 



239 



Plate 15. Juglans nigra. Black Walnut. 



i. Flowering branch, one-half natural size. 2. Staminate flower before 

 anthcsis, enlarged. 3. Staminate flower, enlarged. 4. Perianth of stam- 

 inate flower, displayed, enlarged. 5. Stamen, enlarged. 6. Pistillate flow- 

 er, natural size. 7. Longitudinal section of pistillate flower, natural size. 

 8. Leaf, reduced. 9. Winter branchlet, one-half natural size. 10. Mature 

 fruit, one-half natural size. u. Walnut with husk removed, one-half nat- 

 ural size. 



