ILLUSTRATIONS 



PLATES. 



Page. 



Plate I. West Indian-South American avocado tree, thirty-live years old, 



growing on a coral breccia reef Frontispiece. 



II. Fig. 1. — Crown-worked West Indian-South American avocado tree, 



eighteen months after insertion of bud. Fig. 2. — Top-worked 



Mexican avocado tree, eighteen months after insertion of bud ... 36 



III. West Indian-South American avocado tree in nursery, transplanted 



from seed bed; 2 years old, 4 feet tall 36 



IV. Fruiting branch of West Indian-South American avocado tree, one- 



tenth natural diameter 36 



TEXT FIGUEES. 



Fig. 1. Seedling avocado in December from seed planted in September 16 



2. Shield bud cut out preparatory to insertion 18 



3. Seedling avocado stock with shield bud inserted 18 



4. Shield bud wrapped with waxed cloth 18 



5. Bud stick. "Live" buds in various stages of development (a, a, etc. ). 



Blind buds which should not be used ( b, b, etc. ) 18 



6. Longitudinal sections of round avocados, West Indian-South American 



varieties: A, seed filling the cavity; B, fruit from another tree of 

 better quality, but seed loose in the cavity 24 



7. Longitudinal sections of oblong avocados, West Indian-South Ameri- 



can varieties: A, small seed, loose in large cavity; B, large seed, loose 

 in the cavity 24 



8. Longitudinal sections of pear-shaped avocados, West Indian-South 



American varieties: A, very large seed, loose in the cavity; B, large 

 seed, loose in the cavity 25 



9. Longitudinal sections of bottle-necked avocados: A, West Indian- 



South American variety, with very large cavity; B, Mexican variety, 



with seed filling cavity 26 



8 



