118 FOUNDATIONS OF BOTANY 



129. Review Summary of Work of Stem. 



Channels for upward movement 

 of water 



' in young dicotyledonous stems 

 in dicotyledonous stems several 



years old 



in monocotyledonous stems . . 



Channels for downward move- C in dicotyledonous stems 

 ment of water \ in monocotyledonous stems 



Channels for transverse movements 

 Rate of upward movement . . 



C where stored 

 Storage of plant-food -< kinds stored 



louses . . . 



