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PIG
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PIG. 2.—I, Fruit of Carya alba; 2, Ilickocy Nut; 3, Cross Section of Nut; 4, Vertical Section of the Seed. hickory nuts of the American markets are the produce of C. alba, called the shell-hark hickory because of the roughness of its bark, which becomes loosened from the trunk in long scales bending outwards at the extremities and adhering only by the middle. The nuts are much esteemed in all parts of the States, and are exported in considerable quantities to Europe. The pecan-nuts, which come from the Western States, are from 1 in. to II- in. laiig, smooth, cylindrical, pointed at the ends and thin-shelled, with the kernels full, not like those of most of the hickories divided by partitions, and of delicate and agreeable flavour. The thick-shelled fruits of the pig-nut are generally left on the ground for swine, squirrels, &c., to devour. In C. amara the kernel is so bitter that even squirrels refuse to eat it.