CELL CONTENTS 



147 



^ 5 



Plate 52. — Cell Contents. 



1. Inulin, spheroidal masses from Dahlia root. 2. Inulin, tabular masses from 

 Echinacea root. 3. Hesperidin, deposits in epidermal cells, Buchu leaf. 4. Aleu- 

 rone, Ricinus seed. 5. Aleurone, Mustard seed. 6. Cystolith, in subepidermal 

 cells, Ficus leaf. 7. Cystolith, Nettle root. 8. Cystolith, Ruellia root. 



