The Perfume Handbook, Nigel Groom

Lemon Grass de Cochin: Also called Oil of Inchy and  Lemon Grass des Indes Orientales. An essential oil distilled from the grass, East Indian Lemon Grass (Cymbopogon flexuosus = Andropogon flexuosus) native to South India, but cultivated elsewhere, including Vietnam, central America, the West Indies and Madagascar. It has the scent of violets and lemons and is used in the perfume and soap industries. The oil from the wild plant, growing in India, is similar to Palma Rosa Oil. See also Kachi Grass Oil.