George Francis Atkinson's revised botany text turns plant study into a living investigation, beginning with the invisible substance that powers growth and ending with the great sweep of plant adaptation. Guided by clear classroom experiments and updated scientific research, it leads readers from protoplasm and cell structure through nutrition, respiration, growth, reproduction, and classification, then into morphology and ecology. The result is a systematic introduction to plant life that is both practical and scientifically current. Using spirogyra, mucor, nitella, and corn tissue as examples, the book shows how microscopic observation reveals the behavior of protoplasm, including staining reactions, cytoplasmic streaming, and the effects of temperature. From there it traces the life cycles of bryophytes, comparing liverworts and mosses, their antheridia, archegonia, spores, gemmæ, protonema, and sporogonia, before moving to ferns as a bridge between primitive and modern plant life. Representative plants from algae to flowering forms illustrate the progression of plant structure, reproduction, and development, while the final ecological sections examine how roots, stems, leaves, flowers, tissues, and whole communities adapt to forests, prairies, deserts, and marshes. This edition has been fully restored with modern typesetting, custom cover design.