Some folk medicines are mentioned, including stinkweed as a cure for stomach cancer.
British Dictionary definitions for stinkweed
Also called wall mustard. a plant, Diplotaxis muralis, naturalized in Britain and S and central Europe, having pale yellow flowers, cylindrical seed pods, and a disagreeable smell when bruised: family Brassicaceae (crucifers)
any of various other ill-smelling plants, such as mayweed