118 FOUNDATIONS OF BOTANY 
129. Review Summary of Work of Stem. 
in young dicotyledonous stems 
Channels for upward movement } in dicotyledonous stems several 
of water years old . , 
in monocotyledonous ede 
Channels for downward move- ( in dicotyledonous stems 
ment of water in monocotyledonous stems 
Channels for transverse movements 
Rate of upward movement 
where stored 
Storage of plant-food kinds stored 
uses ; 
