In this classical work Choulant traced the evolution of anatomical illustration from the early schematic plates up to his own time, including a valuable bibliography.

Recent research indicates that plants may be defended by mechanisms activated only after a plant has been challenged by a herbivore. Examines these inducible defenses and provides a framework for future advances in the field.

This newly revised edition is the most comprehensive and up-to-date work on catking-bearing plants in British Columbia. All 67 species are described and illustrated with detailed ink drawings by the author; and each has a distribution map.

More than 500 species of trees, shrubs, wildflowers, grasses, ferns, mosses and lichens are illustrated and described.

This is a new release of the original 1931 edition.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations.