466 BIOLOGY FOR BEGINNERS 



10. Dyestuffs. 



Indigo, India, Java (blue). 



Logwood, South and Central America (black or red). 



Gamboge, Siam (yellow). 



11. Drugs. 



Gums, camphor, arabic, tragacanth. 

 Opium, China, India. Milk of poppy fruits. 

 Cocaine, Peru. Leaves of coca plant. 

 Quinine, Peru. Bark of chinchona plant. 

 Alcohol from apples, rye, corn whiskey. 

 Alcohol from barley malt beer. 

 Alcohol from grapes and fruits wines. 

 Alcohol from molasses rum. 



12. Distillation products. 



Charcoal, wood alcohol, acetic acid, turpentine, rosin, pitch, tar. 



