摘要: Introduction. Colour Plates. 1. Cyanobacteria in Symbiosis with Diatoms S. Janson. 2. Marine Cyanobacterial Symbioses E.J. Carpenter, R.A. Foster. 3. The Nostoc-Geosiphon Endocytobiosis M. Kluge, et al. 4. Cyanolichens: An Evolutionary Overview J. Rikkinen. 5. Carbon Metabolism K. Palmqvist. 6. Nitrogen A.N. Rai. 7. Hornworts and Liverworts D.G. Adams. 8. Associations Between Mosses B. Solheim, Zielke. 9. Azolla-Anabaena Lechno-Yossef, S.A. Nierzwicki-Bauer. 10. Applied Aspects of C. van Hove, A. Lejeune. 11. Cycads J.-L. Costa, P. Lindblad. 12. Nostoc-Gunnera Bergman. 13. Ecology B.A. Osborne, J.I. Sprent. 14. Artificial Cyanobacterium-Plant M.V. Gusev, 15. Diversity Specificity Plant U. Rasmussen, Nilsson. 16. Evolution J.A. Raven. Subject Index.