EXPLANATION OF PLATE X. 



THE WALNUT. 



1. California Paper-SlielL 



2. "English" (so called). 



3. Mayette. 



4. Japanese {J. Sieboldiana) . 



5. Franquette. 



6. Ford's Improved Soft-Shell. 



7. Cluster. 



8. Rivera Soft-Shell. 



9. American Black (/. Americana). 



10. Improved Soft-Shell. 



11. California Black {J. Galifornica). 



