fringed grass of parnassus: bog plant with broadly heart-shaped basal leaves and cream-colored or white saucer-shaped flowers with fringed petals; west of Rocky Mountains from Alaska to New Mexico
wildflower: wild or uncultivated flowering plant
milk of magnesia: purgative consisting of a milky white liquid suspension of magnesium hydroxide; used as a laxative and (in smaller doses) as an antacid