Vernon L, y m a n Kellogg 



In this Primus berry, we have the exceptional in- 

 stance of a strong variation, due to hybridization. 



Heuchera Leaves made Crested by Selection of 

 Varying Seedlings. 



breeding true from the time of its first appearance. 

 It usually takes about six generations to* fix a new 

 variety, but like de Vries's evening primrose muta- 

 tions, the Primus berry is a fixed new form from 



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