“ Peruvian bark itself bears no other name in the districts which produce it. The name cascarilla is often used in medicine to denote the bark of Croton eleuteria. This plant is a small shrub found on the low hills of the Bahama Islands. The bark contains an essential oil, cascarillin, and a resin, and is a tonic, invigorating digestion, and pomoting the functions of the stomach. ”