Artificial selection 



05 



Among tliese may especially be mentioned besides the 

 Primus already spoken of, the Iceberg, a cross-bred white 

 blackberry derived from a hybridization of the Crystal White 

 (pistillate parent) with the Lawton (staminate parent), with 



Fig. G1. — Seedlings of the Japanese quince, Pi/riis Japoiiiar. colors, orange yellow, or 

 ilmost white, with cnmsou dots and spla-shes. (From i)hotograph l<y Burbauk ) 



