286 MANUAL OF AMERICAN GRAPE-GROWING 



CLASSIFICATION OF GRAPES ACCORDING TO 

 SELF-FERTILITY 



CLASS I. Clusters perfect or varying from perfect to somewhat loose. 



Berckmans 



Bertha 



Cottage 



Croton 



Delaware 



Diamond 



Diana 



Etta 



Janesville 



Lady Washington 



Lutie 



Moore Early 



Niagara 



Poughkeepsie 



Pocklington 



Prentiss 



Rochester 



Senasqua 



Winchell 



Worden 



CLASS II. Clusters marketable ; moderately compact or loose. 



Agawam 



Brilliant 



Brown 



Catawba 



Champion 



Chautauqua 



Clinton 



Colerain 



Concord 



Dutchess 

 Early Victor 

 Elvira 



Empire State 

 Fern Munson 

 Hartford 

 lona 

 Isabella 

 Isabella Seedling 



Jefferson 



Jessica 



Lady 



Mills 



Missouri Riesling 



Perkins 



Rommel 



Triumph 



Ulster 



CLASS III. Clusters unmarketable. 



Brighton 

 Canada 

 Dracut Amber 

 Eumelan 

 Geneva 



Hayes 



Lindley 



Noah 



Northern Muscadine 



Vergennes 



CLASS IV. Self-sterile. No fruit develops on covered clusters. 



America 



Aminia 



Barry 



Black Eagle 



Clevener 



Creveling 



Eldorado 



Faith (?) 



Gsertner 



Grein Golden 



Hercules 



Jewel 



Massasoit 



Maxatawney (?) 



Merrimac 



Montefiore 



Requa 



Salem 



Wyoming 



In the main, the cause of infertility, as with other fruits, is 

 the impotency of pollen on the pistils of the same variety. 



