paper indigo dye pots Ditchling Museum buckthorn walnut coreopsis paper samplers woad weld cutch rhubarb root solar dye madder Fustic bark paste resist Elm Bark Blackberry cochineal brazilwood logwood golden rod dyers broom dyer's chamomile light fastness sticklac symplocos safflower iron/soda dye
Using up the dye bath on cartridge paper
