1973. Reprinted 1980. Eigth edition, revised by Shaw. Hardcover in as new condition. Willis's Dictionary is a famous publication in the world of botany and horticulture. It is a comprehensive and indispensable reference to the generic and family names of flowering plants and ferns. The entries attempt to cover all published and generic names from 1753 onwards and published family names from 1789, together with a number of supra- and infra-familial taxa where these have not been based on family or generic names.