A. Morphology.- I. Cytology.- a) General and Molecular Cytology..- b) Special Cytology: Cytology and Morphogenesis of the Fungal Cell..- c) Special Cytology: Morphology and Morphogenesis of Cells of Higher Plants..- IIa) Morphologie und Anatomie der höheren Pflanzen: Vegetationsorgane..- IIb) Morphologie und Anatomie der höheren Pflanzen: Reproduktionsorgane.- B. Physiology.- I. Cell Physiology. Cell Electrophysiology and Membrane Transport.- II. Plant Water Relations..- III. Mineral Metabolism: Role of Mineral Elements..- IV. Photosynthesis. Biophysical Aspects. With 1 Figure.- V. Carbohydrate Metabolism. With 1 Figure.- VI. Secondary Plant Substances. Aspects of Steroid Biosynthesis in Plants. With 7 Figures.- VII. Entwicklungsphysiologie..- VIII. Locomotion.- C. Genetics.- I. Replication: Organization and Replication of the Eukaryotic Chromosome. With 6 Figures.- II. Recombination. With 1 Figure.- III. Mutation..- IV. Function of Genetic Materials. Genetic Regulatory Mechanisms in Fungi. With 1 Figure.- V. Extrakaryotic Inheritance..- D. Taxonomy.- I. Systematics and Evolution of Seed Plants. With 1 Figure.- II. Paläobotanik..- E. Geobotany (Plant Geography, Vegetation History and Ecology).- I. Areal- und Florenkunde (Floristische Geobotanik)..- II. The History of Flora and Vegetation during the Quaternary.- III. Vegetation Ecology (Sociological Geobotany)..- IV. Experimental Ecology..- V. Blütenökologie..