THE HICKORIES, WALNUT AND BUTTERNUT 87 



husk is also thicker and separates 

 into four segments nearly to the 

 base. The kernel is small and sweet. 



Other common names: Big- 

 hud hickory; whifcheart hickory. 



Comparisons : The pignut hick- 

 ory (Hicoria glabra), sometimes 

 called broom hickory or brown 

 hickory, often has a shaggy bark, 

 but differs from both the shag- 

 bark and the mockernut hickory 

 in possessing buds very much 

 smaller, twigs more slender and 

 leaflets fewer. The nut has a 

 thinner husk which does not sep- 

 arate into four or five segments. 

 The tree prefers drier ground than 

 the other hickories. 



The hitiernut {Hicoria min- 

 ima) can be told from the mock- 

 ernut and other species of hickory 

 by its bud, which has no scales at 

 all. The color of its bud is a 

 characteristic orange yellow. The 

 bark is of a lighter shade than the 

 bark of the mockernut hickory 



Fig. 69.— Bud of the 

 Mockernut Hickory. 



and the leaflets are more numerous than in any of the 

 hickories, varying from 7 to 11. Its nuts are bitter. 



BLACK WALNUT {Juglans nigra) 



Distinguishing characters: By cutting a twig length- 

 wise, it will be seen that its pith is divided into little 



