34 



PLANT GROWTH 



Parenchyma 

 [ Endodermis 



Root Hair 



Epidermis 



Parenchyma 



Fig. 9. Cross section of a young root. Root hairs and the small amount of xylem 

 and phloem are characteristic. (From Smith et al, A Textbook of General Botany. 

 By permission of The Macmillan Co., publishers, 1935.) 



