516 Agricultural Experiment Station, Ithaca, N. Y. 



Snyder in about ten or fifteen years, and this latter variety 

 is now the leading commercial blackberry. In the meantime, 

 however, a host of varieties had appeared, very many of them 

 wildings or chance bushes found in fence rows and copses, but 

 so quietly have they come in that no one has been sufficiently 



^A^ 



98.— The tall, wild blackberry. Life size. 



attracted by them to inquire minutely into their genesis or to 

 attempt to classify them into botanical groups. Consequently, the 

 botanical features of the cultivated blackberries are little understood, 

 which indicates that the crop has received little scientific attention. 

 The garden blackberries, as I understand them, fall into five 

 categories : 



