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1901 Yearbook of the United States Department of Agriculture

Posted on January 1, 1901

The hemp plant (Cannabis sativa) is an annual, belonging to the nettle family. It grows to a height of from 5 to 15 feet, and when cultivated for fiber (Pl. LXXIX, fig. 1) produces only a few small branches near the top of the slender stalk. Its leaves, of a rich dark-green color, are composed of 5 to 9 lanceolate, serrate, pointed leaflets, 2 to 5 inches in length and about one-sixth as wide.

The 1856 Encyclopedia Britannica Entry on Hemp

Posted on January 1, 1856

Hemp, a tough fibre yielded by the large annual plant Cannabis sativa, of the natural order Cannabinaceae. There are, however, several other fibres known in commerce to which the term is more or less commonly applied.