This section is from the book "A Text Book Of Materia Medica, Being An Account Of The More Important Crude Drugs Of Vegetable And Animal Origin", by Henry G. Greenish. Also available from Amazon: A Text Book of Materia Medica : Being an Account of the More Important Crude Drugs of Vegetable and Animal Origin.
This, the official variety, is obtained from Styrax Benzoin, Dryander (N.O. Styraceoe), a tree indigenous to Sumatra and Java. The drug is obtained by hacking the bark of the tree with an axe. After the infliction of such injury the cambium rapidly produces
 
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