102 LESSOIfS WITS PLANTS 



112. The common barberry is drawn in Fig. 

 99. The spines bear short, leafy branches or spurs 

 in their axils, which fact shows that 

 the spines occupy the position of 

 leaves, and may be interpreted as 



FiQ. 101. 

 Leaves and branches of asparagus. 



such. Moreover, the growing shoot of a bar- 

 berry generally presents various gradations from 



