AbstractCinchona officinalis. known locally as cascarilla or cinchona. is a plant species native to South America. It was used as a source of quinine to combat malaria in the 17th century. https://www.diegojavierfares.com/amazing-price-Kicker-48CDF104-Comp-10-Down-Firing-Loaded-Subwoofer-Enclosure-special-find/