Natural dyes shown with dyed fabrics and a model of a woad mill.

Six natural dyes each shown with examples of dyed fabrics, together with a model of a woad mill at Parson Grove, Lincolnshire, c 1900. Going anti-clockwise, the dyes are: Indigo, extracted from the woad plant and used by ancient Britons to colour their bodies; Tyrian purple, a rare dye made from the bodies of sea molluscs; Saffron yellow, made from the flowers of the saffron crocus; Madder, a crimson dye obtained from the madder plant; Kermes, a scarlet dye made from a parasitic insect; and Logwood, a black dye obtained from a tree found in the Americas.