Nearly every tribe uses a sub-species of this plant in one way or another. It is a spicy, bitter, warm root said to act on the lungs and stomach to release toxins, phlegm and body gases. Also used for colds, flu, fevers, coughs, indigestion and rheumatism. It can be burned to perfume the hair and clothing and singers chew it to relieve sore throats. Other names include Sweet Flag, Sweet Sedge, Myrtle Flag and Sweet Rush Root.