By M.Nabil El Hadidi
By J. Coombs, etc., D.O. Hall (Kings College, University of London), S.P. Long (University of Essex, Colchester), J.M.O. Scurlock (King's College
By H. Griffiths, J.A.C. Smith
By J. Grace, etc.
By Beverley Glover (Professor of Plant Systematics and Evolution, Professor of Plant Systematics and Evolution, Department of Plant Sciences, University of Cambridge)
By Toby Musgrave, Will Musgrave
By Rudolf Slaba
By Susan Purveur, Elizabeth Harbour
By Christopher Brickell
By Agriculture, Fish.& Food, Min.of
By Florence Wilkinson
By Dr. Henry Oakeley
By Jonathan Drori, Lucille Clerc
By Jason Roberts
By Denis J Murphy (, Head of Biotechnology Unit, Division of Biological Sciences, University of Glamorgan, UK)
By Maurice S. McDonald (National University of Ireland, Galway)
By Hobhouse, Henry
By Dr Shirley Sherwood
By Sen
By F. N. Howes
By W. D. P. Stewart
By Mantell, S.H. Mantell, J.A. Matthews, R.A. McKee (Department of Botany, University of Leicester)
By HARVEY MOTULSKY
By RA Lelliott (Dunez, Head of the Plant Pathology Station, INRA, Bordeaux; D.), D. Stead
By P. S. Nutman
By George Homer Jenkins