WILD KI.'>\\I-K- <)l \l \V YORK 



/ t-rms applied to the apex of the leaf: 



Obcordate; broad and heart-shaix-d at tin- apex (figure i< 



Emarginate; with a slight depression at tin- somewhat narmwiil ajx-x 

 (figur. i; 



Retuse; terminating in a semicircular end, the center of which is 

 somewhat indented (figure IS). 



Truncate; with a flat or abrupt apex (figure 19). 



Acuminate; when the apex of the blade is longer than broad (figure .-<> 

 Acute; when the ajx-x of the blade is about as broad as long (figure ;\ 

 Obtuse or blunt; when the apex is much broader than long i figure -V 



16 



17 



