LIST OF ILLUSTRATIONS 



ARTIFICIAL RAIN IN MR. BURBANK'S 



GARDEN Frontispiece 



PAGE 



RESULTS OF WHEAT EXPERIMENTS . . 14 



A SHEAF OF OATS 18 



SAMPLE HYBRID SUNFLOWER ... 22 



THE FLAX PLANT ...... 50 



COTTON FLOWER AND SEED HEAD . . 58 



SUGAR CANE TASSELS 70 



VARIETIES OF SORGHUM 78 



A HOP-FIELD VISTA 84 



SUGAR BEETS AT THE FACTORY ... 90 



THE CANDLE CACTUS 98 



THE GRAVITY CACTUS 104 



THE PROLIFIC CACTUS 110 



YOUNG ROYAL CACTUS PLANTS . . . 116 



THE HEMET CACTUS 122 



THE MELROSE CACTUS 128 



3 



