A. Structural Botany.- I. Cytology and Morphogenesis of Fungal Cells.- 1. Books and Reviews.- 2. Techniques.- 3. Cytoplasmic Structure.- a) Plasma Membrane.- b) Endomembrane System.- c) Cytoskeleton.- 4. Walls.- 5. Hyphal Tip Growth.- 6. Spores and Spore Development.- a) Zoospores and Gametes.- b) Endospores of Zygomycetes.- c) Conidia.- d) Oospores.- e) Zygospores.- f) Basidiospores.- 7. Adhesion and Fungal Surfaces.- 8. Symbiosis and Parasitism.- a) Appressoria Formation.- b) Mycorrhizae.- c) Lichens.- References.- II. Cytosymbiosis.- 1. Introduction.- 2. Prokaryotes as Cytosymbionts.- a) Rhizobial Bacteria.- ?) The Microsymbiont: Rhizobial Bacteria.- ?) The Macrosymbiont: Legumes.- ?) Establishment, Maintenance and Senescene of Symbiosis.- b) Agrobacterium.- 3. Eukaryotic Endocytobionts.- 4. Special Forms of Cytosymbiosis.- a) Nuclear Transfer by Parasitic Red Algae.- b) Chloroplast Cytosymbiosis.- References.- III. Cuticular Surfaces in Plants.- 1. Introduction and Methodological Aspects.- 2. Structure and Function of Cuticular Surfaces.- 3. Application of Cuticular Characters in Taxonomy.- References.- IV. A Dynamic Multidisciplinary Approach to Floral Morphology.- 1. Introduction.- 2. The Transition to Flowering: Internal Control.- a) From Induction to Floral Initiation.- b) The Internal Control of Floral Organogenesis.- 3. Sex Expression and Heterostyly.- a) Internal Control of Sex Expression.- b) Temporal Dioecy (Sex Choice).- c) Gynodioecy.- d) Andromonoecy, Gynomonoecy, and Multiple Sex Expression.- e) Heterostyly.- 4. Limitations of the Developmental Approach to Floral Morphology.- 5. Developmental Mutants and the Concepts of Homeosis and Heterochrony.- 6. Primitive Angiosperms and the Origin of the Flowering Plants.- 7. Final Comments.- References.- B. Physiology.- I. Cell Electrophysiology and Membrane Transport.- 1. Introduction.- 2. Pumps and Channels in the Tonoplast.- 3. Potassium Channels in the Plasmalemma.- 4. Potassium Channels in the Plasmalel3Ä