Preface; 1. Self-integration - an emerging concept from the fungal mycelium A. D. M. Rayner, Z. R. Watkins and J. R. Beeching; 2. Nutrient translocation and electrical signalling in mycelia S. Olsson; 3. Colony development in nutritionally heterogeneous environments K. Ritz and J. W. Crawford; 4. Circadian rhythms in filamentous fungi M. Ramsdale; 5. Growth, branching and enzyme production by filamentous fungi in submerged culture A. P. J. Trinci, S. Bocking, R. J. Swift, J. M. Withers, G. D. Robson and M. G. Wiebe; 6. Metabolism and hyphal differentiation in large basidiomycete colonies S. Watkinson; 7. Role of phosphoinositides and inositol phosphates in the regulation of mycelial branching G. D. Robson; 8. Stress responses of fungal colonies towards toxic metals L. M. Ramsay, J. A. Sayer and G. M. Gadd; 9. Cellularization in Aspergillus nidulans J. E. Hamer, J. A. Morrell, L. Hamer, T. Wolkow and M. Momany; 10. Genetic control of polarized growth and branching in filamentous fungi G. Turner and S. D. Harris; 11. Mating and sexual interactions in fungal mycelia G. W. Gooday; 12. Genetic stability in fungal mycelia M. L. Smith; 13. Nuclear distribution and gene expression in the secondary mycelium of Schizophyllum commune J. G. H. Wessels; Index.