Bladderwort

Bladderwort (Utricularia), a genus of Lenticulariaceæ, which like its congeners the Butterwort (q.v.) is remarkable for its carnivorous habit. The one hundred and twenty species are often aquatic or floating, the leaves frequently floating, and divided, the flowers generally yellow. The stems and leaves bear the characteristic insect-catching pitchers. See INSECTIVOROUS PLANTS.