Reviews

Lichenology in Great Britain nowadays rejoices in increased activity and interest. This is evidenced by the foundation of the British Lichen Society which came into being some time ago, and now runs its own journal, The Lichenologist. The present book is another example, and it certainly appears at an appropriate time. The book which is written in clear and simple language contains a few introductory chapters (on the structure of lichens, the use of reagents and apparatus, and on the ecology), keys to orders and families, a descriptive part, a bibliography, a glossary, and an index, followed by the plates