THE LEAF. 



25 



ward. Figs. 14 and 15 are different forms of Dentate 

 margin. 



A CRE'NATE margin has broad, rounded notches, 

 like Fig. 16. 



FIG. 17. 



Eepand. 



A Lobed Leaf. 



In REPAND' (WAVY) margins the edge curves out- 

 ward and inward, as in Fig. 17. 



Such deep notches as are seen in Fig. 18 form 

 lobes. 



Each of these different kinds of margin varies in 

 many ways, and some of the variations are important 



Fio. 19. 



FIG. 20. 



Coarsely Serrate. 



Finely Serrate. 



in description. For instance, serrate margins are 

 sometimes COARSELY SERRATE (Fig. 19), FINELY SER- 



