HYBRID GRAPES AT GENEVA 



1337 



the results of this work will be, but every indication points to 

 probable success. 



The work with Vitis vinifera has not been confined to the mak- 

 ing of direct hybrids only. The best of the hybrids produced by 



FIG. 463. CLINTON 



Rogers and subsequent workers have been crossed among them- 

 selves and with pure native sorts, and it is significant that from 

 more than six thousand seedlings which have fruited, practically 

 the only ones showing promise are those which contain some Vini- 

 fera blood. 



