38 



FORMS OF SIMPLE LEAVES. 



Fig. 35. AMPLEXICAULE. 



A doubly serrate leaf 

 folium duplicate- serratum 

 (fg. 33). (From the Latin, 

 serra, a saw.) Having teet h 

 like a saw: the larger teeth 

 being notched also with teeth. 

 (See Jig. IS.) 



Fig. 33 shows the second- 

 ary nerves arising from tho 

 primary. 



A repand leaf folium repan- 

 dum (fg. 34). (From the Latin, 

 repandus, bent.) A leaf having a 

 margin undulated, and unequally 

 dilated, is so called. 



Example : the Hydrocotyle. 



An amplexicaule \eaf-folium 

 amplexicaule (fg ltre 35). 

 (From the Latin, ampleoto, I 

 embrace, and caulis, stem, 

 stem -embracing.) A leaf or 

 bract whose base projects on 

 each side, so as to clasp the 

 stem with its lobes. 



Example : the Papaver somni- 

 ferum. 



Fig. 36. CONNATE. 



A connate, or double -perfoliate, or doubly amplexicaule leaf 

 folium connalum (fig 36). (From the Latin, con, together 

 and natus, grown.) Joined together" j I the base. 



Example : the Eupatorium perfoliatum, bone-set. 



