DECIDUOUS TREES. 
355 
good portrait of the finest hickory of this species we know of in this 
country, growing on the farm of Sylvanus Purdy, Esq., in Rye, N. Y., 
near the village of Mamaroneck. It is about eighty feet high, ninety 
feet across the spread of its branches, and has borne fourteen 
bushels of shelled nuts in one season! The upright growth on the 
left is a part of the tree which has taken a new upright direction. 
The Thick-shelled-nut Hickory. C. sulcata and C. tomen- 
tcsa maxima .—This is the tree which bears the large oblong nut of 
commerce, and the thickness of its shell suggests the name. Its 
bark is somewhat scaly, but in thicker and narrower sections than 
that of the shell-bark hickory, and not so easy to detach from the 
tree; it is also much rougher on young trees. The leaves are the 
largest of any of the hickories. Each leaf is composed of from 
seven to nine leaflets. The nuts are squarish-oblong, from one and 
a quarter to two inches in length, with thick yellowish-white shells, 
but fine flavored. As an ornamental tree it has the same charac¬ 
teristics as the preceding. Nuttall and Michaux describe what is 
popularly known as the thick-shelled hickory in two species, both 
of which we give in connection with the popular name for both. 
The Pig-nut Hickory. C. porcina .—This species is distin¬ 
guished by its smaller leaves and fruit; the latter not being 
marketable, though good food for hogs, who crunch and eat the 
shell and meat together. Its bark when quite young is smooth, 
and then resembles the shell-bark hickory; but about the age when 
the latter begins to show its laminate character, the former breaks 
into fine hard shallow furrows, and is not at all disposed to laminate. 
Its branches are rather more numerous and straighter than the 
other hickories; but with age its foliage breaks into the same 
forms, and is as fine as any of the others. Its leaves are usually 
formed of seven leaflets, smaller and slenderer than the preceding 
species. The foliage is also rather lighter colored, and the aspect 
of the tree when young is less robust. It grows most naturally in 
moist ground, and there becomes a lofty tree. 
The Bitter-nut Hickory, and the Water Bitter-nut Hick¬ 
ory, C. amara and C. aquatica , are similar to the foregoing, the 
