The third volume of Water-in-Plants Bibl iography includes papers in al I fields of plant water relations research which appeared during the year 1977 - from theore- tical considerations about the state of water in cel Is and its membrane transport to drought resistance of plants or physiological significance of irrigation. In addition to papers devoted entirely to plant water relations, papers on other topics are included if they contain data on plant hydration level, water vapour efflux, rate. of water uptake or water transport, etc., or if they contain valuable methodological information...