CONTENTS vii 



Seasonal DiMORPrasM of Desert and Mediterranean 

 Chamaephytes and its Significance as a Factor in their 

 Water Economy 206 



G. Orshan, The Hebrew University, Jerusalem, Israel 



RELATION OF GROWTH AND 

 DISTRIBUTION TO WATER 



On the Problem of the Relationship Between Hydration 



OF Leaf Tissue and Intensity of Photosynthesis and 



RESPIRATION 225 



B. Slavik, Institute of Biology, Czechoslovak Academy of Sciences, 



Praha, Czechoslovakia 



The Effects of Exposure on Growth and Development 235 



F.H. Whitehead, Imperial College, London 



Growth and Water use of Vegetables in a Greenhouse 246 



J.F. Bierhuizen, Institnut voor Cultuurtechnick en Waterhuishonding, 

 Wageningen, Netherlands 



Photosynthesis and Growth of a Five-year-old Stand of 

 Poplar Trees in Relation to Water Economy of the Site 257 



H. Polster, Institute of Forest Science, Tharandt, East Germany 



Hydrature and Plant Production 272 



K. Kreeb, Botanisches Institut, Stuttgart-Hohenheim, West Germany 



A Comparison Between the Water Relations of Species with 



Contrasting Types of Geographical Distribution in the 



British Isles 289 



Margaret S. Jarvis, Institute of Physiological Botany of the 



University of Uppsala, Uppsala, Sweden 



The Effect of Soil Type on the Relation Between Soil/ 



Water Pegime and Growth of Seedlings of Quercus petraea 



(Matt.) Licbl. 3i3 



P. G. Jarvis, Institute of Physiological Botany of the University of 



Uppsala, Uppsala, Sweden 



