An illustration of the genus Cinchona; comprising descriptions of all the officinal Peruvian barks, including several new species. Baron de Humboldt's account of the cinchona forests of South America; and Laubert's memoir on the different species of quinquina. To which are added several dissertations of Don Hippolito Ruiz on various medicinal plants of South America ... And a short account of the spikenard of the ancients
