Progress in Botany / Fortschritte der Botanik Structural Botany Physiology Genetics Taxonomy Geobotany / Struktur Physiologie Genetik Systematik Geobotanik

With one new volume each year, this series keeps scientists and advanced students informed of the latest developments and results in all areas of botany. The present volume in- cludes reviews on structural botany, taxonomy, geobotany, plant physiology, genetics, and floral ecology.

Review.- Archaea (Archaebacteria).- A. Structural Botany.- I. Cytology and Morphogenesis of the Prokaryotic Cell.- II. Cell Architecture and Cellular Morphogenesis of Eukaryotic Algae (Rhodophyta and Phaeophyta).- III. Phloem Regeneration.- IV. Reproductive Development in Seed Plants: Research Activities at the Intersection of Molecular Genetics and Systematic Botany.- B. Physiology.- I. Plant Water Relations.- II. The Transport Phloem. Specifics of its Functioning.- III. Progress in Chlorophyll Fluorescence Research: Major Developments During the Past Years in Retrospect.- IV. Photosynthesis: Carbon Metabolism Twenty Years of Following Carbon Cycles in Photosynthetic Cells.- V. Metabolism of Inorganic Nitrogen Compounds.- VI. Secondary Plant Substances Further Topics of the Phenylpropanoid Metabolism.- VII. Mineral Nutrition: Tropical Savannas.- VIII. Developmental Physiology: Signal Transduction.- C. Genetics.- I. Replication.- II. Recombination: Sexual Reproduction — a Tool for Outcrossing and Recombination of Genetic Material.- III. Isolation of Plant Genes by T-DNA and Transposon Mutagenesis — Gene Tagging.- IV. Function of the Genetic Material: Transposable Elements in Lower Eukaryotes.- V. Extranuclear Inheritance: Mitochondrial Genetics.- VI. Extranuclear Inheritance: Linear Protein-Primed Replicating Genomes in Plants and Microorganisms.- VII. Molecular Genetics of Phytopathogenic Fungi.- D. Taxonomy.- I. Systematics of the Bryophytes.- II. Systematics of the Pteridophytes.- E. Geobotany.- I. The History of Flora and Vegetation During the Quaternary.- II. Plant Geography.- III. Ecological Aspects of Nitrogen Nutrition.- F. Special Topics.- I. Floral Ecology Report on the Years 1988 (1987) to 1991 (1992).- II a. Mycorrhizae: Ectomycorrhiza andEctendomycorrhiza.- II b. Symbioses: Mycorrhizae.