WALNUT. 239 
Plate 15. Juglans nigra. Black Walnut. 
1. Flowering branch, one-half natural size. 2. Staminate flower before 
anthesis, enlarged. 3. Staminate flower, enlarged. 4. Perianth of stam- 
inate Hower, 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. 11. Walnut with husk removed, one-half nat- 
ural size. 
