HABIT Annual. Culms decumbent; 2-5 cm long. Ligule an eciliate membrane. INFLORESCENCE Inflorescence a panicle. Panicle glomerate. Primary panicle branches whorled at most nodes. Spikelets solitary. Fertile spikelets pedicelled. Pedicels filiform. FERTILE SPIKELETS Spikelets comprising 1 fertile florets; without rhachilla extension. Spikelets ovate; laterally compressed; 0.415-0.6 mm long; falling entire. GLUMES Glumes both absent or obscure. FLORETS Fertile lemma ovate; hyaline; keeled; 1 -veined. Lemma midvein scabrous. Lemma apex acute; awned; 1 -awned. Palea 1 length of lemma; hyaline; 2 -veined. Palea keels scabrous. Palea apex with excurrent keel veins. FLOWER Lodicules absent. Anthers 2. FRUIT Caryopsis with adherent pericarp; ellipsoid; laterally compressed. Embryo 0.25 length of caryopsis. Hilum elliptic. DISTRIBUTION Europe, or Temperate Asia, or North America.