Hardback black cloth boards and titles in gilt to spine, in very good minus condition. Dust jacket in very good minus condition, with rubbing front and back, edgewear and a small tear to the back cover (2 cm). Textblock edges slightly soiled, and some marks to the title page and opposing page. Text bright, but some entries are annotated with black, re, or blue biro dots. Central section of full colour plates. Appendix of Breeders/Introducers and their Cultivars, bibliographic references and index.