PLATE 



6 





ALEURONE GRAINS 



1. Curcas (Jatropha curcas, L.). 



2. Sunflower seed (Helianthus annuus, L.). 



3. Flaxseed (Linum usitatissimum, L.). 



4. Bitter almond (Prunus amygdalus, amara, D.C.). 



5. Croton-oil seed (Croton tiglium, L.). 



6. Sesame seed (Sesamum indicum, L.). 



7 and 8. Castor-oil seed (Ricinus communis, L.). 



