LEA VES. 07 



told you about this difference in the venation of 

 leaves ? Quite right. As a general rule it is one of 

 the marks of difference between two out of the three 

 great classes into which flowering plants are divided 

 (cf. Fig. 169). 



But I want you to notice particularly two different 

 kinds of venation amongst the net veined leaves. 

 One kind is called palmate." Let us look for an ivy 

 leaf. Now we shall see an example of this palmate 



Fig. 57. B, Leaf of Lady's Mantle (Alcketnilla vulgaris}. Show- 

 rngpal/itate venation. A, Leaf of the Beech (Fagus sylvatica). Showing 

 pinnate venation. 



venation. You see that the veins separate into 

 several main branches just at the point where the}' 

 enter the broad flat part of the leaf. There is a very- 

 beautiful leaf in which you can see this kind of 



From the Latin "/////#," the palm of the hand. 



