174 SYSTKMATIC POMOlJXiY 



xnnous; the berry adheres lirnily to tlic pedieel, the fruit seldom 

 '^shattering" or "siielling" from llie duster; the sugar-eontent 

 averages higher; and the grapes keep lunger and ship better. 



In hybrids between Ameriean and Vinifera varieties, it is 

 found that the desirable qualities of Vinifera are inherited in 

 about the same proportion as the undesirable ones. The fruit 

 is improved as compared with that of the native parent in the 

 hybrid, but the vine is weakened; quality is usually purchased 

 at the expense of hardiness and disease-resisting power. 



