258 LUTHER BURBANK 



Shaffer's Colossal raspberry and the Crystal 

 White blackberry. 



Some of the plants from this cross were of the 

 most treelike proportions. Most of them, how- 

 ever, were barren, though they bloomed freely. 

 But there were exceptional ones that fruited, and 

 selected seedlings were grown from these through 

 a series of generations. In the fourth generation 

 a plant appeared which was of such extraordi- 

 nary characteristics that it was given the name 

 of Paradox. 



This plant was in all respects a most perfect 

 combination of the two ancestral forms from 

 which it sprang. The wood, bark, leaves, blos- 

 soms, prickles, roots, and seeds could not by any 

 test be proved to be like one or the other. The 

 fruit, produced in abundance, was an oval, light 

 red berry of good size, larger than that of either 

 progenitor, and of fair quality. 



Many of the first generation descendants of 

 the Paradox were partially barren, though 

 blooming freely. Sterility as to fruit was often 

 associated with gigantic growth. 



But some of the seedlings were fertile, and 

 they manifested almost every possible combina- 

 tion of qualities of the raspberry and blackberry. 

 Some were similar to the Paradox, except that 

 they had white berries instead of red. 



