HAEMATOXYLON (from haima, haimatos, blood, and xylon, wood). Logwood. ORD. Leguminosae. A monotypic genus. The species is a stove evergreen tree, with unarmed branches, or with spines under the leaves. It succeeds in a mixture of sand and peat. Rather firm cuttings of young shoots will root in sandy soil, under glass, and in heat. HAEMATOXYLON campechianum. Campeachy Wood. fl. yellow, produced in axillary racemes. l. abruptly pinnate, in fascicles; leaflets small, obovate, obcordate. h. 20ft. to 40ft. Central America, Columbia, and the West Indies, 1724. This plant yields the well-known logwood of commerce, largely employed by calico-printers, dyers, and hat-makers. It consists of the heart-wood of the tree, from which the sapwood has been removed, and is of a deep, dull, brownish-red colour. (B. M. Pl. 86.)