u 



OBJECT LESSONS IN BOTANY. 



j^almate venation. Maple leaves are veiy familiar ex- 

 les of the same. 



11. Our next iigiire (5) represents the leaf of 

 the Tulip. How very different is its venation ! 

 How smooth, even, and polished its surface ! The 

 veins all run side by side, from base to apex, in 

 graceful and regular curves. They are so nearly 

 parallel, that this kind of venation is called the 

 jparallel venation. Look at the grass leaves, the 

 Corn leaves, and the Palm leaves, and see the 

 ^IIJvli same kind of venation. 



P\?\ 



Fig. 5. Leaf of Tulip. 



Fig, 6. Leaf of the Climbing Fern. 



12. Let us examine one other kind of venation, and the 

 list will be complete. Here is a cut showing the leaf of 



11. Define the parallel venation. Mention examples. 



12. The forked venation. Examples. 



Now repeat the names of the five or six kinds of venation. 



