Progress in Botany

A. Structural Botany.- I. Cell Architecture and Cellular Morphogenesis of Eukariotic Algae (Chlorophyta).- II. Comparative Morphology, Anatomy, and Function of the Stem and Root of the Flowering Plants.- B. Physiology.- I. Electrophysiology of Stomata.- II. Exchange of Energy and Vapor Between Plants and the Atmosphere.- III. Secondary Plant Substances: Ornithine-Derived Alkaloids.- IV. Mineral Nutrition: Humid Tropical Forests.- V. Geosiphon pyriforme (Kützing) von Wettstein, a Promising System for Studying Endocyanoses.- VI. Significance of Glutathione Metabolism in Plants Under Stress.- VII. A Stress Physiological Role for Abscisic Acid (ABA) in Lower Plants.- VIII. UV-B Effects on Terrestrial Plants and Aquatic Organisms.- IX. Molecular Aspects of Natural and Induced Incompatibility in Flowering Plants.- C. Genetics.- I. Replication and Cell Cycle Control.- II. Recombination: Effects on Structure and Function of the Mitochondrial Genome.- III. Mutation: Higher Plants.- IV. Function of Genetic Material, Regulation of Genes Encoding Seed Storage Proteins.- V. Extranuclear Inheritance: Plastid Genetics.- VI. Population Genetics.- D. Taxonomy.- I. Lichenized and Lichenicolous Fungi 1991-1992.- II. Molecular Systematics: 1991-1993.- III. Karyology and Cytogenetics.- E. Geobotany.- I. Plant Population Ecology.