248 



REPORT ON THE 



POLARITY OF THE STOCK. 



Owing to this position of the buds the stock grows at one end, and extends 

 and pushes itself into new territory, while the other end of the stock, having 

 yielded up its store of water and starch to the growing bud, gradually decays. 



Fig. 20.— primula verticillata, 

 Showing the branching and spreading secondary roots (the original radicle has already 

 perished), the two seed-leaves and the tufted many-leaved plumule. 



Fig. 21.— rhizome of primula coetcsoides var. amcena. 

 half real size. 



Thus the plant effects very quietly and gradually a change of residence — an 

 indication of the desirability of occasional transplantation. This progressive 

 decay at one end suggested to old Auricula growers the " removal of the end 

 of the Carrot," and there was nothing to be said against the process pro- 

 vided their surgery was confined to dead portion only, and did not include the 

 healthy and (potentially) active roots also. In such a case the stock would be 



