Cambridge: At the University Press, 1913. First edition. Leather bound. 245pp. Folio [45 cm] 1/2 green leather with green cloth covered boards, a gilt stamped title and 5 gilt ruled lines on the spine, and a gilt stamped title on the front cover. Top edge gilt. Other edges untrimmed. Decorative endpapers. Indexed. Very good. The extremities are gently bumped and rubbed. There is a very small open tear in the top edge of the rear pastedown. The pages are occasionally lightly foxed, and there are a couple of large, but subtle dark patches on the half title page and the page directly opposite this page. Tanned pages. Complete. With 48 colored tipped in plates. Extra charges apply on this item due to weight. Item #36538
With forty-seven coloured drawings by F. H. Round, one coloured plate of seeds by Miss R. M. Cardew and thirty line drawings by C. W. Johnson. This scholarly work classifies the known species of the genus, grouping the species into a few sections. He includes a detailed bibliography of irises, a general description of the structure of the iris flower, a bit on cultivation and diseases of irises, and a thorough scientific description of each of the species.