588 ox SEEDLINGS 



sperm. In some cases, as in Sorghum, Panicum, and Eleusine, 

 intercalary growth occurs in the tissue (? hypocotyledonary) at 

 the base of the sheath separating it by a narrow limb from 

 the scutellum. 



Growth of the primary root is always limited ; sooner or 

 later numerous adventitious roots break through and take its 

 place. 



