An account of an official expedition to locate, collect, and transport quinine-yielding Chinchona plants and seeds from South American forests for establishment in India, describing the principal species and their native regions. The narrative details journeys across Peruvian landscapes, the organization and hardships of collecting parties, and the logistical and botanical measures taken to preserve and transport material. Interspersed historical digressions examine the condition of indigenous populations and the uprising of Tupac Amaru. The closing sections describe experimental plantations, cultivation methods, and the early results and management of Chinchona in India.