﻿LIVING PLANTS 



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

 themtim Cooperi. The epidermal cells 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. 



