Bui. 160, Bureau of Chemistry, U. S. Dept. of Agriculture. 



PLATE III. 



FIG. 1. PINE NUT. SURFACE OF INTEGUMENT (x 75). 



FIG 2. BRAZIL NUT. SECTION AT SUR- 

 FACE OF KERNEL, NOT INCLUDING 

 THE INTEGUMENT (X 75). 



FIG. 3. CANARIUM. SURFACE OF INTEGU- 

 MENT (X 175). 



FIG. 4. CANARIUM. STELLATE PAREN- 

 CHYMA CELLS (x 175). 



FIG. 5. CANARIUM. ENDODERMIS OF SEED 

 COAT (X 350). 



