What is a low evergreen plant (Chimaphila umbellata), with narrow, wedge-lanceolate leaves, and an umbel of pretty nodding fragrant blossoms. It has been used in nephritic diseases. Called also prince's pine called?

pipsissewa — A low evergreen plant (Chimaphila umbellata), with narrow, wedge-lanceolate leaves, and an umbel of pretty nodding fragrant blossoms. It has been used in nephritic diseases. Called also prince's pine. (Webster's 1913.)

Sources