2l8 



G. ORSHA N 



VI VII VIII IX 



Fig. 7. Annual march of transpiration rates in mg. per gram fresh weight per hour of 



Mediterranean plants. 



C.s. - Cistiis sahnfolhis Th.c. - Thymus capitatus 



P.sp.-Poteriuiii spinosum T.p.-Teucrium poliwii 



DISCUSSION 



The data presented above clearly demonstrate that the seasonal dimorphism 

 of the chamaephytes examined markedly contributes through surface 



