A. Structural Botany.- I. General and Molecular Cytology: The Cytoskeleton: Microtubules.- II. Cytology and Morphogenesis of the Prokaryotic Cell.- III. Cytosymbiosis.- B. Physiology.- I. Plant Water Relations.- II. Mineral Nutrition: Sources of Nutrients for Land Plants from Outside the Pedosphere.- III. Photosynthesis. Carbon Metabolism: By Day and by Night.- IV. Metabolism of Organic N-Compounds.- V. Regulation of Sulfur Metabolism in Plants.- VI. Secondary Plant Substances: Monoterpenoid Indole Alkaloids.- VII. Growth.- VIII. Developmental Physiology.- IX. Gravi- and Phototropism of Higher Plants.- C. Genetics.- I. Replication.- II. Recombination: Recombination in Cyanobacteria and Lower Plants After Vector-Mediated DNA Transfer.- III. Function of the Genetic Material: Structure and Function of Elements Controlling Transcription in Lower Eukaryotes.- IV. Extrakaryotic Inheritance: Mitochondrial Genetics.- V. Phytopathology.- a) Host-Parasite Interactions.- D. Taxonomy.- I. Systematics and Evolution of the Algae.- II. Taxonomy and Phylogeny of Fungi.- III. Systematics of Lichenized Fungi.- IV. Systematics of the Pteridophytes.- E. Geobotany.- I. The History of Flora and Vegetation During the Quaternary.- II. Vegetation Science (Sociobiological Geobotany).- III. Ecological Geobotany/Autecology.- F. Special Topics.- I. Xylem: Structure and Function.- II. Symbiosen: Mykorrhiza.- a) Ektomykorrhiza.- b) Endomycorrhizae.- Plant Name Index.