Book excerpt: This plant glossary includes all descriptive terms used in floras, plant field guides and monographs. This is an essential companion for anyone working with plant descriptions, plant identification keys, floras, monographs and field guides. In this second edition 4,500 botanical terms are described with accompanying illustrations, including a new section on vegetation terms and an updated colour section.'Catnip for the garden geek...this fascinating, authoritative volume may seduce even the most casual browser.'The New York Times, 27 May 2010