In 1976 John Raven presented four Grey Lectures at Cambridge University which sought to reappraise long-accepted identifications of ancient names for modern plants. These lectures, plus another given in 1971, form the main focus of this book and many of the issues raised within them are discussed further by William Stearn, Nicholas Jardine and Peter Warren, taking account of more research. Also includes an additional two papers by Alice Lindsell, as well as illustrations from her

This book is an anthology of Plato's writings, connected with sections of commentary.