HABENARIA, a genus of plants of the orchid family (Orchi daceae), comprising in its most inclusive sense some 500 temperate and tropical species, of which the frog orchis (H. viridis), scented orchis (H. conopsea) and butterfly orchis (H. bi f olia) are native to the British Isles. In North America some 4o species occur, among which are the purple-fringed orchis (H. pychodes), the white-fringed orchis (H. blephariglottis), the ragged orchis (H. lacera), the prairie fringed orchis (H. leucophaea), the yellow fringed orchis (H. ciliaris), the white bog orchis (H. dilatata), the round-leaved orchis (H. orbiculata), the slender white orchis (H, elegans) and the western green orchis (H. unalaschensis). (See ORCHIDS.)