
H.C. Watson (1846), by Margaret Sarah Carpenter. Royal Botanic Gardens, Kew; (c) Mrs Margaret Harrold-Carnon; Supplied by The Public Catalogue Foundation

H.C. Watson (1871). Photo by Maull and Fox. (Image courtesy of the Royal Botanic Gardens, Kew).

Hewett Cottrell Watson (1839), said to be drawn by Haghe, but bearing initials ‘R.D.D.’ The Naturalist 4 (1839). (Image courtesy of the Harvard Herbaria Botany Library).