This monumental work is the culmination of the botanical research of some of the most important botanists of the nineteenth century. Spanning four volumes, it covers the natural plant families and their genera and species, with special attention given to the plants that are useful to humans. The level of detail and accuracy in the descriptions and illustrations is remarkable, and this book remains a classic reference work for botanists today.

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. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work.

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