RENEWING SPURS. 311 



the point d, a, and renewed. We have had 

 several cases presenting this general appear- 

 ance, but not all arising in the same way. All 

 we wish to do here is to make the reader 

 familiar with the principle and its applica- 

 tion. 



We may remark here, that as the spur in- 

 creases in age elaborated matter collects at the 

 junction of the arm and spur, and is concerned 

 in the formation of many dormant buds. It is 

 no doubt also concerned in producing the in- 

 creased flavor which we always find in fruit on 



old arms and spurs. It presents the granular 

 appearance shown in Fig. 120. The little glob- 

 ules at o-are all dormant buds. The reader 

 will now understand how it is that we get new 



