186 



LIVING PLANTvS 



Fig. 20. — 1. Transverse seetion of a velvety leaf of Eran- 

 themiim Cooperi. The epidermal eells of the "upper side are 

 furnished with elongated papillose extensions for entrapping 

 sunlight. The extremities of some cells are converted into 

 hairs. The epidermis of the lower side contains anthocyan. 



2. Diagram showing the manner in which light enters the 

 epidermal cells of velvety surfaces. 



