LIST OF ILLUSTRATIONS 



FACING 

 PAOK 



Cultivating the mammoth pieplant. Some leaves are three 

 to four feet across. Mr. Burbank is the central 

 figure ....... 309 



Mr. Burbank pollinating the blossoms of a plum tree . 316 



One of Mr. Burbank's rare roses .... 323 



One of the few double hybrid clematises . . . 334 



The "Burbdnk" and "Tarrytown" cannas under test at 



Santa Rosa, where they originated . . .341 



The improved everlasting flower to be used in millinery . 348 



The re-created wild onion flower, Brodiwa capitata, changed 

 from a deep purple to purest white and greatly in- 

 creased in size . . . . . . 366 



Rare effects developed in the transformation of the colum- 

 bine; about one -fourth natural size . . . 359 



Twenty thousand new varieties of plums in process of 



development . . , . . 362 



A cactus blossom ...... 366 



XIV 



