THE ANGIOSPERMAE : STEMS 



913 





Fig. 894. — Dracaena sp. Transverse section of a stem 

 showing scattered primary bundles in the centre 

 surrounded by a compact zone of secondary bundles. 



PhtW ogen 



Cortex 



Meristematic zone 



Secondary bundle 



is^ve 



Fig. 895. — Dracaena sp. Transverse section of part of a 

 stem showing the meristematic zone with secondarv 

 bundles in course of formation. 



30 



