III. 



Torn Testa... 

 Cotyledon . . , 



Plumule > 



Radicle 



II. 



Testa 



.. cotyledons 



Fig. I.— Germinating Seedlings of Beans, 



I. Seed split open after germinating. 

 II. Root a few days old. 

 III. Still older seedling showing leaves and secondary root?. 



[Face page 6. 



