Treasures of the Royal Horticultural Society
by Brent Elliott
Includes illustrations of flowers, fruit, and plants by such artists such as Ferdinand Bauer, John Curtis, William Curtis, Georg Ehret, Walter Fitch, Mary Grierson, William Hooker, Margaret Stones, and Augusta Withers.
Also See:
Wikpedia: Sir William Jackson Hooker
Royal Botanic Gardens, Kew: Sir William Jackson Hooker
Plant Explorers: Sir William Jackson Hooker