TflE SUMACH, WALNUTS, BICKORIBS, ETC. 235 



stem; they are fine-toothed, and very smooth above 

 and below, except that the angles of the ribs are 

 apt to be a triiic fuzzy. This hickory (considered 

 by Prof. Sargent a variety of the foregoing species) 

 grows from 60 to 90 feet high, and is found from 

 eastern Massachusetts to Delaware, and from New 

 York westward to central Michigan, southern Illi- 

 nois, and Missouri. The bark is somewhat shag 

 but separates in narrow, thin plates. 



The bitternut, or swamp hickory, is 

 Bitternut, or . . 



Swamp Hickory, a large tree with spreading limbs, 



Caryaamara. which is f 01111(1 ill low, wet Woods 



Hkoria minima. - 



and swamps; it grows irom .><> to 

 75 and occasionally 100 feet 

 high. There are from seven 

 to eleven narrow leaflets on 

 a slender stem ; these are 

 smooth on both sides, or very 

 slightly downy beneath, es- 

 pecially when young. The 

 fruit is roundish, and the rath- 

 er soft, thin husk separates 

 down to about the middle ; the 

 thin-shelled, whitish nut is de- 

 pressed at the top, and has an 

 extremely bitter kernel, which was at first sweet 

 The husk and nutshell are thinner than those of the 



Bitternut, ]><>rti"n <>f leaf. 



