History of pharmacy in the United States of its discoverer, which became the first effective treatment for malaria. The active ingredient of this cinchona bark, quinine, was the primary treatment for malaria well into the 1940s. "About 170 drugs used by the Indians of British North America, and perhaps 50 used by the indigenous people of the Caribbean, Mexico, Central and South America" became important enough in the U.S. (as the practitioners of chemistry and pharmacy eventually catalogued, analyzed and understood them) to merit listing in the United States Pharmacopoeia (est. 1820) or the National Formulary. In the early 1700s, James Oglethorpe, founder of the Georgia colony,
Bark (botany) growth which heals over the wound rapidly, but leaves a clear scar, whilst others such as oaks do not produce an extensive callus repair. Frost crack and sun scald are examples of damage found on tree bark which trees can repair to a degree, depending on the severity. Bark (botany) Bark is the outermost layers of stems and roots of woody plants. Plants with bark include trees, woody vines, and shrubs. Bark refers to all the tissues outside the vascular cambium and is a nontechnical term. It overlays the wood and consists of the inner bark and the outer bark.