Cover -- Half-title -- Title -- Copyright -- Contents -- Preface to the first edition -- Preface to the third edition -- The nature of the problem -- The size of the problem -- Towards a solution to the problem -- The rules of botanical nomenclature -- Family names -- Generic names -- Species names -- Epithets commemorating people -- Geographical epithets -- Categories below the rank of species -- Hybrids -- Synonymy and illegitimacy -- The International Code of Nomenclature for Cultivated Plants -- Graft chimaeras -- Botanical terminology -- The glossary -- The glossary -- Addendum to glossary -- Bibliography.