Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. This book is an overview of botany. It discusses its history, divided into ancient and medieval knowledge, European renaissance and after, nineteenth century foundations, twentieth, and twenty-first centuries. This book discusses how the discovery of concepts such as plant physiology, transpiration, cell theory, and many others had contributed to the progress of the field. In addition, readers will know about the various sub-disciplines of botany including agronomy, forestry, paleobotany, plant morphology, and many others. Finally a list of notable botanists such as Aime Bonpland, Luther Burbank, Carl Linnaeus, Gregor Mendel, Richard Spruce, and many others are also included. Project Webster represents a new publishing paradigm, allowing disparate content sources to be curated into cohesive, relevant, and informative books. To date, this content has been curated from Wikipedia articles and images under Creative Commons licensing, although as Project Webster continues to increase in scope and dimension, more licensed and public domain content is being added. We believe books such as this represent a new and exciting lexicon in the sharing of human knowledge.