520 Agricultural Experiment Station, Ithaca, N. Y. 



ly. Loose-cluster hlaokherries {Rubus villosus X R. Cana^ 

 densis). — A mongrel class, comprising Wilson Early, "Wilson Junior, 

 Sterling Thornless, Rathbun, and probably Thompson's Early 

 Mammoth. The class is characterized by a low and often diffuse 



o3* bS* nf^ 





102. — Agawatn. Natural size. 



growth, broad, jagged and notched leaves, mostly loose-grained, 

 roundish or roundish-oblong fruits, which are sometime very large, 

 and particularly by the few flowers scattered on long stems towards 

 the end of the canes. Sometimes, as in the Rathbun and others, the 

 canes have a distinct tendency to root at the tip, after the manner of 

 the dewberry. These blackberries are hybrids of the common black- 

 berry and the dewberry. All of the cultivated sorts, so far as I 



