THE FIRST BOOK OF BOTANY. 



LEAVES THAT ARE BROADEST AT BASE. 



FIG. 67. FIG. 68. FIG. 69. FIG. 70. 



Cordiform. 



Hastate. 



Sagittate. 



Some of the names here applied to the whole leaf 

 have already been used to describe a part of a leaf. 

 For instance, among bases we had the heart-shaped 

 base, and now a particular leaf-form is said to be 

 heart-shaped. But it will soon be seen that heart- 

 shaped bases may occur in leaves of very various 

 forms, though there is one general form in which the 



