22 THE VEGETATIVE FUNCTIONS OF PLANTS 



well known, become wilted. Potted plants, if not kept 



Fig. II. — A fern {Cyrlomium falcatum), well watered and turgid. 

 (Cf. Fig. 12). 



Fig. 12. — A fern {Cyrtomiiim Jalcalum), deprived of water for 48 hours. 

 The same plant as shown in Fig. 11. 



well watered, and plants growing out of doors, if not sup- 

 plied with sufficient rain, will also wilt (Figs. 11 and 12). 



