Protea. Protea mellifera. Sugar bush.
Protea. Protea mellifera Thunb. (Fam. Proteaceae.) Sugar Bush.—A plant growing in South Africa, from the leaves of which Merring Beck in 1886 obtained proteacin. Merck and Hesse subsequently named the principle leucodrin. Hesse found the leaves to yield from 2 to 5 per cent. of hydroquinone associated with proteacic acid. (P. J., 1896, 426.)