Descriptions, synonyms and cultural details for succulents other than cactaceae, 3 volumes: Volume I. Abromeitiella to Euphorbia, Volume II. Ficus to Zygophyllum, Volume III. Mesembryanthemums (Ficoidaceae)
3 vols., 1442 pp. continuous pagination, maps, illus., hardback, titles on spines rubbed, slipcases repaired, Blandford Press, London, 1960