CONVALLARIA, or LILY of the VALLEY, in botany, a genus of the hexandria monogynia class. The corolla is divided into six segments; and the berry is spotted, and has three cells. The species are eight, three of which are natives of Britain, viz. the majalis, or may-lily; the multiflora, or solomon's-seal; and the polygonatum, or sweet-smelling solomon's-seal.