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



, ,,,, PLATE 







V. 



SB } 



FIG. 1. SURFACE OF INTEGUMENT 

 (X 175). 





FIG. 2. SECTION AT SURFACE OF KERNEL 

 (X75). 



FIQ. 3. ENDODERMIS OF SEED COAT 

 (X 350). 



FIG. 4. EPIDERMIS OF COTYLEDON 

 (X175). 



FlG. 5. SCLERENCHYMA CELLS FROM SEED COAT (X 175) 



PISTACHIO NUT. 



