io 4 KEY TO GENERA AND SPECIES 



APPLE, PEAR, QUINCE. Leaves simple. Fruit 

 fleshy, containing 5 thin-walled compart- 

 ments with about 2 seeds in each. 



152. Leaf margins toothed 153- 



152. Leaf margins not toothed, lower surface 



woolly. Cult. (Fig. 

 195.) Quince, Pyrus 

 Cydonia L. 



153. Leaves woolly or vel- 



vety-hairy beneath. 

 Fruit globular, with 

 a depression at both 

 ends. Cult, and oc- 

 casionally growing 

 wild. (Figs. 196, 

 197.) Apple, Pyrus 

 Mains L. 



153. Leaves smooth be- 



neath, or nearly so 



' . I 54 Fig. 194. Great-leaved 



Magnolia. 



154. Some of the leaves very irregularly toothed, 



or even lobed and toothed. Branches some- 

 times prolonged into short thorns. Fruit 

 an inch or more long, with a depression at 

 each end. N. J. westward and southward. 



