118 FOUNDATIONS OF BOTANY 



129. Review Summary of Work of Stem. 



f in young dicotyledonous stems 

 Channels for upward movement J in dicotyledonous stems several 



of water | years old 



I in monocotyledonous stems 



Channels for downward move- f 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 . . . 



