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