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PIGNUT HICKOIIY. 
JuGLANs poRciNA. J. foUolis 5 — ovalo-acuïïiînatis, serratis, glabris ; 
amentis masculis compositis,filiform,ibus, glabris ; fructu pyriformi vel glo- 
boso ; nuce mînîmâ, levi, durîssimâ. 
Càrya Porcina, Nutt. 
This species is generally known in the United States by the name of 
Pignut and Hognut Hickory, sometimes also by that of Broom Hickory. 
The first of these names is most commonly in use ; the others are known 
only in some districts of Pennsylvania, and particularly in the County of 
Lancaster. Portsmouth in New Hampshire may be considered as limiting, 
toward the north, the climate of this tree. A little further south, it is 
abundant, and in the Atlantic parts of the Middle States, it helps, with the 
Mockernut Hickory, White Oak, Swamp White Oak, Sweet Gum, and 
Dogwood, to form the mass of the forests. In the Southern States, espe- 
cially near the coast, it is less common in the woods, being found only on 
the borders of the swamps, and in places which are M^’et without being 
absolutely marshy, or exposed to be long inundated. This tree is met with 
in the Western country, but less frequently, I believe, than the Thick 
Shellbark and Mockernut Hickories. I have observed that the last men- 
tioned species grows wherever the Pignut is found, but that the Pignut 
does not always accompany the Mockernut, which is satisfied with a less 
substantial soil This remark I have made more particularly in the lower 
parts of Virginia, of the two Carolinas, and of Georgia. It appears then, 
that with the exception of the States of Vermont and New Hampshire, of 
the District of Maine, of the Genessee country, and of the cold and moun- 
tainous tracts along the whole range of the Alleghany mountains, this tree 
is more or less abundant in the forests throughout the United States. 
The Pignut Hickory is one of the largest trees of the United States. It 
grows to the height of 70 or 80 feet, with a diameter of 3 or 4 feet. In the 
winter, when stript of its leaves, it is easily known by the shoots of the 
preceding summer, which are brown, less than half as large as those of the 
Mockernut and Shellbark Hickories, and terminated by small, oval buds. 
At this season, it is easy also to distinguish the Bitternut Hickory, by its 
naked and yellow buds. The buds of this species, as in the other Hick- 
ories with scaly buds, are more than an inch in length, a few days before 
their unfolding. The inner scales are the largest and of a reddish color. 
They do not fall till the leaves are 5 or 6 inches long. The leaves are 
