LIST OF ILLUSTRATIONS. 



Fig. Page. 



1. A California almond orchard, . . . . . is 



2. Budding knife, . . ' , . . . 24 



3. Yankee budding knife, . ... . . 24 



4. Prepared shoot, . . . ... . 26 



5. Incision for bud, . . . . . . 27 



6. Bud in position, . ."'.,. . . . 28 



7. Hard-shelled almond, . .... . . . 36 



8. Thin-shelled almond, .'...... 37 



9. Beechnut leaf, bur and nut, . . . . . . 51 



10. Leaves and nut of Castaiiopsis chrysophylla, . . 56 



11. Castanopsis bur, . . . . .'..., 57 



12. Chestnut flowers, . . ". . . . . 61 



13. Splice graft, ..... . . 75 



14. Splice graft inserted, . . . . ... 75 



15. Stock 77 



16. Cion, ......... 77 



17. Two cions inserted, . * . - - . : ' . . 77 



18. One cioii inserted, . r . . " . . 77 



19. American chestnut leaf, ...... 88 



20. Spike of burs of bush chinquapin (Castanea nana), . 89 



21. Spike of chinquapin chestnut bur (C. pumila), ... 90 



22. Single bur, nut and leaf of chinquapin chestnut (C. pumila), 91 



23. Japan chestnut leaf, . . ; . . . . 92 



24. Burs of Fuller's chinquapin (one-half natural size), . 97 



25. Fuller's chinquapin, five years old from nut, . . **'. 98 



26. Bur of Numbo chestnut, ...... 101 



27. Spines of Numbo chestnut, . . . . 102 



28. Numbo chestnut, . . . . . . . 102 



29. Paragon chestnut bur (one-half natural size), . . . 103 



30. Spines of Paragon chestnut bur, . . ~ j.. . 103 



31. Paragon chestnut, . . ... . . . 104 



32. Four-year-old Paragon chestnut tree, .... 105 



33. Open bur of the Ridgely chestnut, ... .106 



34. Japan Giant chestnut . HO 



35. Spines of Japan chestnut, . HO 



36. Chestnut weevil, 114 



37. Large filbert 119 



38. Large seedling hazelnut, ...... 120 



39. Constantinople hazel, ....... 129 



to. English filbert orchard, five years from seed, . . 134 



41. Varieties of filberts and hazel seedlings, ... 136 



vi 



