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