Contents: The scientific method. -- Use of the microscope. -- The cellular and chemical basis of life. -- Composition of soil. -- Monocots and dicots. -- Interrelations of procedures and consumers. -- Location of growth. -- Patterns of growth. -- Leaves. -- Internal structure of a leaf. -- Extraction. -- Flowers. -- The structure of the flowering plant. -- A field and laboratory study of variations in plants. -- Introduction in flowering plant. -- Factors affecting enzyme activity. -- Digestion of starch by a plant enzyme. -- A garden of "microorganisms". -- Fruits and flowering plant. -- The germination of seeds. -- Seed bearing plant. -- Seed selection. -- Tropisms. -- Regeneration of plants. -- Patterns and Mendelian inheritance. -- Diversity of the plant kingdom. -- Simple plants: algae and mushrooms. -- Diversity of angiosperms. -- Algae and fungi. -- Mosses. -- Ferns. -- Inside a Hydrilla leaf. -- Diversity of plant cells.