A laborer scrapes the bark from a cinchona tree. The bark is then sundried and pulverized to make the drug quinine. The story behind the chance discovery of the anti-malarial drug quinine may be ...

as cinchona, tea, cacao, tobacco, and the Australian eucalyptus, now so extensively planted to replace the forests which have been destroyed in many parts of the peninsula to the great ...

The task that faced the cinchona tree hunters was a formidable one. By the beginning of the nineteenth century, it was known that cinchona trees could be found, in relatively small numbers ...