Bogbean (Menyanthes trifoliata)

Also called Buckbean and Marsh trefoil, and known in Yorkshire as Threefold and Gulsa-girse, and Jaundice grass in the Shetland Isles.The leaves and roots were used as an ancient treatment for jaundice, scurvy, malaria and rheumatism. An infusion of it was given, particularly in Scotland, as a general tonic, to strengthen the heart and to help increase weight and vitality. It helps open the tubes for asthma sufferers. In the Highlands it was used to clean fisherman’s rope burns and as a general pain killer. the bitter leaves were used as a flavouring for beer in northern Britain and Europe, as well as a herb tobacco. In Ireland, the roots were boiled for a spring tonic to cleanse the system, assist digestion and cure boils and other skin problems, the plant yields a green dye and the roots a brown one.