OBJECT LESSONS IN BOTANY. 



LESSON I. 



THE LEAP. AND ITS PARTS. 



blad€. 



Fig. 1. Leaf of the Quince. 



1. We have before us the picture of a Quince leaf, care- 

 fully drawn and colored. It is of a rich green color, very 

 pleasant to the eye. Its outlines are full, even, and grace- 

 fully curved, and its upper surface is smooth aiid naked 

 Although it is indeed but one leaf, yet it seems to be made 

 lip of three parts — J, p, ss. 



2. The upper part, b, is broad and thin, and is called the 



