LIST OF ILLUSTRATIONS 



FACING 

 PAGE 



One of the new Opuntias, four years old, eight feet high, 

 bearing over four hundred pounds of fruit. Half of one 

 leaf put in the ground in April produced over sixty 

 leaves by the middle of September . . . 382 



An illustration of the prolific nature of the new Opuntias, — 



thirty-two fruits growing upon a single leaf . . 394 



Thousands of tender cactus seedlings just out of the ground, 

 overtaken, but uninjured, by a severe snow-storm, — a 

 proof of their hardiness ..... 401 



' he Gold plum, first Japanese- American hybrid plum; a 



rare fruit ....... 407 



The large plum to the right is the result of a cross between 

 the wild American beach plum, at the left, and a Japa- 

 nese plum. The new plum is much larger than here 

 shown and twice as large as the Japanese parent . 410 



A field of the new crimson poppy, the native California 

 golden poppy, which Mr. Burbank changed from yellow 

 to red ....... 416 



To the left, the leaf of a wild geranium as Mr. Burbank 

 found it ; to the right, the leaf as he left it after years 

 of selection for greater beauty. The single leaf shows 

 the change even more markedly . . . .419 



Two seedling walnuts, of the same age, from nuts of the 

 same tree, having had precisely the same care ; a strik- 

 ing illustration of unevenness in plant growth and of 

 the importance of selection .... 428 



A cactus blossom ...... 430 



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