THE LEAF-BUD. 

 FIG. 283. 



171 



IN'VOLUTE. 

 ,With both 

 edges rolled 

 inward to- 

 ward the mid- 

 rib (Fig. 283). 



FIG. 231 



REV'OLUTE. 

 With both 

 edges rolled 

 outward to- 

 ward the mid- 

 rib (Fig. 284). 



