Watsonia (named for Sir Wm. Watson, M.D., 1715-1787, electrician and professor of botany at Chelsea). Iridaceae. Tunicate bulbous herbs, much like gladiolus, used in the garden for summer bloom. | Watsonia (named for Sir Wm. Watson, M.D., 1715-1787, electrician and professor of botany at Chelsea). Iridaceae. Tunicate bulbous herbs, much like gladiolus, used in the garden for summer bloom. |