This beautifully illustrated work is an invaluable reference which includes entries on more than 300 families of flowering plants, from Acanthaceae to Zygophyllaceae. Entries on each family consist of concise and readable accounts of the distribution, diagnostic features, classification, and economic uses of its members. More than 200 family entries are illustrated in full color, as are the comprehensive glossary and the informative introduction to the forms, structure, ecology, uses, and classification of flowering plants. Originally published in 1978, this new edition has been updated and corrected by Professor Heywood--one of the world's top authorities-- and is arranged taxonomically. The book serves as a classic reference that will be valued by naturalists, horticulturists, botanists, and everyone who enjoys the colorful elegance of plants.