Vereschia; or, A Monograph of the Genus Erica. Volume 4 is the fourth volume in a series of publications by Henry Crank Andrews, a nineteenth-century British botanist. In this book he examines the various species of heather (Erica) and provides a detailed description of their botanical characteristics, features and uses. Each species is presented with illustrations and a detailed description, which helps the reader to better understand this genus of plants. This book is a valuable source of information for botanists, gardeners and anyone interested in the plant world.