194 



MILENA RYCHNOVSKA AND JAN KVET 



20 



15' 



10 



5' 



70' 

 65 

 60 



55 

 7o 



10 

 5 



IB 



2A 



12 



18 



24 



12 



Fig. 3. Water relations o{ Corynephorus canescens during the three days of experiment. 



Explanation as for Fig. 2. 



Fig. 4. Water relations o( Hclichrysum arenarium during the three days of experiment. 



Explanation as for Fig. 2. 



