Contents: Preface,Author's preface,Introduction,Table showing distribution of living allies of bembridge species,Ststematic description,Pteridophyta,Gymnospermae,Ststematic description,Gymnospermae,Angiospermae,Systematic description,Angiospermae,Systematic description,Angiospermae,Charophyta,List of works quoted,Explanation of plates,Index.