Lichens
"Lichens" by Annie Lorrain Smith is a scientific publication written in the early 20th century. This book serves as a comprehensive study of lichens, covering their historical classification, morphology, physiology, and ecological significance. The work is likely targeted towards botanists, lichenologists, and students interested in the intricacies of these unique symbiotic organisms. The opening of the text provides context for its publication, emphasizing the challenges faced during the First World War that delayed its release. The preface explains the book's structure, indicating that it will include historical accounts of lichenology, practical information such as a glossary and bibliography, and detailed analysis of the constituents of lichens. It also acknowledges contributions from various experts in the field who assisted with research and observations, thereby establishing a foundation for the detailed exploration of lichens that follows in the subsequent chapters.