Growth 331 



caused by the use of different stocks with plums. The 

 Milton plum worked on Mariana stock is more vigorous, 



FIG. 86. Fasciated shoot of Fritillaria, apparently induced by rapid 



forcing. 



and develops larger leaves than when Wayland or ameri- 

 cana stocks are employed. In the former case, however, 

 the leaf serrations are finer. 



