62 



Elementary Botany 



We can tell, however, which they are by their position. If 

 they are in the axils of leaves they are modified branches ; if 

 upon the stem or forming part of the leaf they are modified 

 leaves. 



In some cases adventitious buds are formed beneath the 



Fig. 93. — Sweet Pea {Laihyyns odoratits). 



bark, and are not developed externally. In such cases they 

 produce considerable variations in the figure and grain of the 

 wood. Bird's-eye Maple is a very good example of this. 



Buds are often capable of being removed from one plant 

 and made to grow upon another of the same family. Upon this 

 fact depend the important operations of grafting and budding. 



