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



PLATE I. 



FIQ. 1. HARD-SHELLED ALMOND. HAIR-LIKE CELLS OF INTEGUMENT (x 75). 





FIG. 2. HARD-SHELLED ALMOND. SUR- 

 FACE OF INTEGUMENT (x 75). 



-^r-v^*' 



FIG. 3. HARD-SHELLED ALMOND. 

 ALEURONE LAYER (x 150). 



FIG. 4. HARD-SHELLED ALMOND. EPI- 

 DERMIS OF COTYLEDON (X175). 



FIG. 5. PEACH KERNEL. SURFACE 

 OF INTEGUMENT ix 75) 



