58 



Photomicrographs of Botanical Studies. 



94.— T.S. Seed of "Tritieum sativum," portion enlarged. 



\,-»T Pericarp of seed 



rj^ Aleurone layer 



7-^M Crystal. 



Starch cells. 



95. — T.S. Cremocarp of " Smyrnium olusatrum," Alexanders. 



Ridges of mericarp. seed 



Endosperm. 

 Vascular bundle. 



Central axis, (connective). 



Vitt<e. 

 Vascular bundle. 



