Field Guide to Orchids of North America from Alaska, Greenland and the Arctic South to the Mexican border Illustrated by Norman Arlott, Foreword by Roger Tory Peterson).1983. 52 col. plates.143 p. 8vo. Paper bd.

Contents: Map of Region covered/ Foreword by Roger Tory Peterson/ Introduction/ Key to Genera of North American Orchids/ Key to the Genus Cypripedium/ Key to the Genus Platanthera/ Key to the Genus Listera/ Key to the Genus Malaxis/ Key to the Genus Spiranthes/ Species Descriptions and Plates/ Glossary of Botanical Terms/ Checklist of the Orchids of North America/ Selected Bibliography/ Index.- Every species is described, as are most of the generally recognised geographical races and individual varieties. Each is given its popular and scientific names and distribution, habitat, and flowering periods are detailed. The handsome full-color plates illustrate all 177 species, and also the subspecies and many of the forms, making a total of nearly 230 paintings of different plants, for easy reference. On many of the plates additional diagnostic details have been included.

Second hand copy.