The Structures and Processes of Stems 119 



Bast 



Food conductii^ 



Cambiimi 



Water conductii^ 



Wood fibers 



1 



rQ 



y .to 



Vascular bundles 



Cortex 



!■: . ■ *. " r. , Kpiilermis and 



Fig. 69. Stem of moonseed vine, showing tissues and their arrangement. 



