Encyclopedia article on silk-cotton, the silky seed fibre from Bombax and related tropical trees of Asia, Africa and America. It explains that the fibre is too short, smooth and elastic for cotton machinery, though it has been spun and woven on a small scale in India and New Spain, and is mainly used as stuffing for pillows and mattresses. It also describes the main silk-cotton trees (Bombax ceiba, Bombax malabaricum) and mentions Brazilian vegetable silk from Chorisia species.