Hickory
2 of the 7 encyclopedias on this shelf carry an entry for Hickory. Both are reproduced below, so you can see where they agree and where they differ.
Aiton's Encyclopedia (1910)
an American tree of the walnut family. Hickory is an Indian name. There are in all ten hickories--nine in the eastern United States and Canada, one in Mexico. The principal kinds are the shagbark, the shellbark, the bitternut, the pignut, and the pecan. The pecan is a southern tree. In sections the pecan is an important article of commerce. It brings in more money than any other native American nut-bearing tree. The pecan nut crop is over 3,000,000 pounds a year. The kernels are sweet. The timber is of little value. Shagbark and shellbark hickory nuts are fine winter nuts. They are produced chiefly in the latitude of the Ohio Valley by trees 80 to 100 feet high. The pignut is fair in quality; bitternuts are produced farther north and are not desirable. Hickory timber is proverbial for hardness and toughness. It is the heaviest of North American woods. It weighs about fifty pounds to the cubic foot. It is in demand for axhelves, ox-bows, hubs, felloes, spokes, fork-handles, axles, and sleigh material. It is estimated that 250,000,000 feet of hickory is consumed annually for the purposes named. The end of the supply is so nearly at hand that manufacturers are alarmed. The people of the West were able to pay no higher tribute to the sterling qualities of Andrew Jackson than to dub him "Old Hickory."
Collier's New Encyclopedia (1921)
in botany and commerce, the several species Carya, a genus of Juglandaceæ. C. alba is the shell-bark, scaly-bark, or shagbark hickory, from the tendency of the bark to peel off in long, loose strips. Its wood is noted for its elasticity and toughness, growing in this country from South Carolina to New Hampshire. Other species of the genus are the mocker-nut , white-heart , or common hickory (C. tomentosa), the wood of which is excellent for mechanical purposes, or for bu burning, the bitter-nut or swamp hickory (C. and was again appointed Chancellor of the Exchequer following the retirement of the Gladstone ministry. He held this post with great success until he resigned in 1902. He bitterly opposed the tariff policy of Joseph Chamberlain and founded the Unionist Free Food League. In 1905 he was made a viscount, and in 1908 was a member of the Ecclesiastical Commission. He died in 1916 .