BOTANY OF I, A SALLE COUNTY. 25 



rounded teeth, it is crenate; if the curves are long- and 

 g-entle, it is wavy. 



If the teeth point backward, they are repand; if not 

 near tog-ether, but with space between them, they are 

 distant. 



Leaves which are deeply cut or notched, as the oak, 

 are called lobed. 



If the edg-e of a leaf is straig-ht without notches or 

 curves it is called entire, as the bean, pea. 



If toothed like a saw it is serrate, as the rose. 



If the notches are larg-e it is toothed, as the elm. 



If there are two sets of notches one finer than the 

 other it is doubly serrate. 



If shaped like an eg-g-, the stem at the larg-e end, 

 ovate. 



If shaped like an eg-g-, the stem at the small end 

 obovate. 



If widest at the outer end spatulate 



If rounded at the ends and long-er than wide, oval or 

 oblong-. 



If very narrow in proportion to width, linear as 

 most grasses. 



If long-, narrow, stiff and sharp pointed, ensiform, 

 as the blue flag-. If the stem is near the middle of an 

 entire leaf it is said to be peltiate as the nasturtium, 



Leaves may be smooth having- no hair or down on 

 their surface. 



Hairy, clothed with hairs, more or less numerous. 



Wooly " soft, sharp, white hairs. 



Downy " very soft, short, matted hairs. 



Roug-h, having- a rough feel to the hand like the elm. 



Prickly, clothed with stiff, sharp, sting-ing- hairs or 

 prickles. 



Leaves may be thin like those of the locust and 

 bass wood. 



