LUTHER BURBANK 



new rhubarb, as was stated in the earlier chapter, 

 proved variable when grown from seed. 



The tendency to winter bearing, however, was 

 pronounced, whatever variations the plant might 

 show as to other qualities. 



In more recent years I have continued the 

 development, and have produced new varieties of 

 the Winter Rhubarb that differ so markedly from 

 the original one as to merit introduction as 

 separate varieties. 



The new rhubarbs have been developed by 

 crossing the Winter Rhubarb with various races 

 of ordinary rhubarb, in particular with the 

 improved variety known as the Burbank Giant. 

 The crosses were made mostly with the use of the 

 Winter Rhubarb as the pistillate parent, but recip- 

 rocal crosses were also made. The progeny, as is 

 often the case with hybrids, showed great vigor 

 of growth. 



The individuals varied as to many of their 

 qualities, and I presently sorted out no fewer than 

 thirty-six different types, all of them of gigantic 

 size. 



The best of these has been introduced under 

 the name of the New Giant Crimson Winter 

 Rhubarb. 



Qualities of the New Rhubarb 



Not only does the improved Winter Rhubarb 



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