Botanist. Moved his botanical library and collections to the Royal Botanic Gardens, Kew, in 1854, and was provided with facilities there for his research from 1861. President of the Linnean Society of London, 1861–74. Published Genera plantarum (1862–83) with Joseph Dalton Hooker. FRS 1862.
Sources: DSB ODNB. (See the bibliography for full references to sources)