An illustration of the genus C̲i̲n̲c̲h̲o̲n̲a̲ : comprising descriptions of all the officinal Peruvian barks, including several new species, Baron de Humboldt's Account of the C̲i̲n̲c̲h̲o̲n̲a̲ 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 ...