38 GROWTH AND WORK OF PLANTS 



in this division of labor and specialization among the working cells 

 of the root. In a similar way the specialized cells of stems, leaves 

 and flowers arise from a meristem of simple undiflerentiated cells. 

 The plant body may thus be compared to a highly organized and 

 developed community of individuals, each with its special work 

 to do, and all working together for the common good. 



