CONl^ENTS OF CELLS AND VESSELS. 



CHAPTER XXXI. 



CONTENTS OF CELLS AND VESSELS. 



Fig. 1 6 1. Monk's Hood (Aconittim napellus}. 

 c, the root ; e, apocarpous fruit (follicles}. 



BEFORE I tell you a 

 little about various sub- 

 stances which are some- 

 times found in the cells 

 and vessels, I wantyou to 

 notice certain " spaces " 

 or " cavities " which are 

 found in plants. Some- 

 times they are found 



bet we e n 



-i 



the cells 

 you re- 

 member, 

 and are 

 then cal- 

 led"inter- 

 cellular 

 spaces" 

 (Fig. 143)- 



