vi CONTENTS 



Water Saturation Deficit and its Development in Young 



AND Old Leaves ioi 



Jiri Catsky, Institute of Biology, Czechoslovak Academy of 



Sciences, Praha, Czechoslovakia 



WATER RELATIONS IN NATURAL CONDITIONS 



On the Distribution of the Precipitation in a Spruce 

 Stand : An Attempted Analysis i i 5 



M.G. Stalfelt, University of Stockholm, Sweden 



Measurement and Signihcance of Throughfall in Forest 



Stands 127 



E.R.C. Reynolds & L. Leyton, Department of Forestry, 



University of Oxford 



The Behaviour of Norway Spruce {Picca abies (L.) Karst) in 

 Central Jutland, Denmark, in the Summer of 1955 142 



E.B. Oksbjerg, Royal Forestry College, Stockholm, Sweden 



Climate and Water Relations of Plants in the Sub-Alpine 

 Region i53 



Walter Tranquillini, Forschungsstelle fiir Lawinenvorbeugung, 



Innsbruck, Austria 



Investigations on the Water Relations of Sand-dune 



Plants Under Natural Conditions 168 



A.J. Willis & R.L. JefFeries, Department of Botany, University 



of Bristol 



Water Relations of Some Psammophytes with Inspect to 



Their Distribution 190 



Milena Rychnovska & Jan Kvet, Geobotanical Laboratory of the 



Czechslovak Academy of Sciences, Brno, Czechoslovakia 



The Water Supply of Desert Plants i99 



H, Walter, Botanisches Institut, Stuttgart-Hohenheim, West 

 Germany 



