English botanist John Bellenden Ker published a memoir on the group of plants Iridaceae in the Annals of Botany in 1804, just before he changed his surname from gawler. The essay discussed a number of cape of good hope bulbs. McMahon recommended them for autumn planting in the green-house (ODNB description begins H. C. G. Matthew and Brian Harrison, eds., Oxford Dictionary of National Biography, 2004, 60 vols. description ends ; McMahon, Gardener’s Calendar description begins Bernard McMahon, The American Gardener’s Calendar; adapted to the Climates and Seasons of the United States, Philadelphia, 1806; repr. 1997; Sowerby, no. 810; Poor, Jefferson’s Library, 6 (no. 273) description ends , 499; Hortus Third description begins Liberty Hyde Bailey, Ethel Zoe Bailey, and the staff of the Liberty Hyde Bailey Hortorium, Cornell University, Hortus Third: A Concise Dictionary of Plants Cultivated in the United States and Canada, 1976 description ends , 741, 1129, 1169).