Bui. 974, U. S. Dept. of Agriculture. 



Plate XV. 



Blueberry Cutting Showing Secondary Twig Growth. 



...• loaves oil iiu.-i twi;; naa reaciuM maiure size and color aiul were iiiaiiufac- 



tiiriiigncw food in tin- form of starch, roots began to form on the cutting. The roots brought 

 in new mineral food, and then secondary twig growth took place in thcrorin of the younger 

 and stronger of the two twigs. (Natural size.) 



