76 FAMILIAR TREES AND THEIR LEAVES. 



plane tree, frequently called buttonwood. This small 

 tree, confined to wet banks beside ponds and rivers, 



is found in the valley of the 

 Cape Fear Eiver, N. C, 

 in Kentucky, and in the 

 South ; westward it extends 

 to southern Missouri. It rare- 

 ly grows over 30 or 40 feet 

 high, and has a small, dark- 

 green leaf resembling that of 

 the white elm, smooth above, and 

 of a pale grayish-green color be- 

 neath; the teeth are sometimes 

 double. The fruit is a rough, leath- 

 ery-skinned nut about a quarter of an 

 inch in diameter, altogether different 

 from the elm's fruit, which is always 

 winged ; it is ripe in September. The bark of the 

 tree is apt to scale off like that of the buttonwood. 

 Hackberry, or The hackberry, or sugarberry, usually 



Sugarbeny. j s a small tree with the general ap- 



Celtis occidental. pearance of an elm . ft be arS fruit 



about as large as bird -cherries, sweet to the taste, first 

 yellowish and finally purplish red in color.* Its 



Planer Tree. 



* In midwinter the berries are dark mahogany-red. A hand- 

 some but small hackberry growing on a street in Cambridge, 



