An interesting Autograph Letter Signed, about the arrival of a box of cuttings of the oro plant from Sierra Leone, his own published note on the subject, the use of the Euphabia [Euphorbia] plant for painting ships’ bottoms, etc. 4 pp. 7 x 4 inches, in good condition. Royal Gardens, Kew, 13 August 1886. W.T.Thistleton Dyer (1843-1928), English botanist, assistant director and later director of the Royal Botanic Gardens.