Rhododendrons of Sikkim - Himalaya. 3 parts in 1 volume. 1849 - 1852. Facsimile 2017, with an introduction by Virginia Mills, Cam Sharp Jones and Ed Ikin. 30 coloured plates. 104 p. Hard- cover. (33x 26 cm). <Sir Joseph Dalton Hooker (1817-1911) is perhaps the greatest of the lauded Directors of the Royal Botanic Gardens, Kew, and 2017 marks both the bicentenary of his birth and 170 years since