50 
THE FIRST BOOK OF BOTANY. 
Observe the venation, margin, shape, etc., of leaf¬ 
lets as you have done in studying simple leaves. You 
Fig. 70. 
see, in schedule sixth, that the leaflets are described 
as feather-veined, serrate, ovate. 
EXERCISE X. 
Varieties of JVin'nate and Dig'itate Leaves . 
Compound leaves, then, having parts similar to 
those shown in Figs. 65, 68, 71, are called pinnate 
leaves; and when the parts are joined as in Figs. 
78 and 79, they are called digitate leaves. But there 
are a great many kinds of both pinnate and digitate 
