IV 



THE STUDY OF THE SHOOT 



43 



Ciliated, if the margin is fringed with fine hairs like the 

 Beech. 



Spiny , if the teeth are long and very sharp, as in the Holly. 



Apex of the Leaf The apex of the leaf may be sharply 

 pointed, when it is called acute ; if blunt, Obtuse ; and if the end 

 is long and pointed, acuminate (Fig. 61). 



Further Kinds of Simple Leaves. When the leaf is 



\ 



FIG. 60. Diagram of margin of leaves, i, biserrate ; 2, serrate ; 3, crenate 

 4, spiny ; 5, entire ; 6, dentate ; 7, sinuate. 



split up into a number of divisions, and these do not cut down 

 to the mid-rib, the following terms are used : 



Palmatisect, if the ends extend nearly to the base, e.g., 

 Monkshood. 



Palmatifid, if the cuts extend about halfway from the margin 

 to the base of the leaf, as in the Castor Oil plant. 



Palmate, if in the palmatifid leaf the number of divisions is 

 five, as in the Maple. 



