Caption:
White-flowered maxillaria orchid, Maxillaria alba. Native to the Caribbean, Mexico and South America, and sent from Jamaica by coffee plantation owner James Wiles. White single-flowered dendrobium, Dendrobium album. Handcoloured copperplate engraving by Joseph Swan after a botanical illustration by William Jackson Hooker from his Exotic Flora, William Blackwood, Edinburgh, 1823-27.