*Phalaris aquatica L.

Stems slightly to much swollen at the bases of the lower internodes. Erect tufted perennial 1–2 m high with short creeping rhizomes. Sterile lemmas 2, unequal (Fig. 49 c). Glumes winged, 6–7 mm long. Panicle 5–12 cm long, 1–2 cm diam. Blue Mts Pasture grass. Introd. from the Mediterranean. Fl. spring–summer. Phalaris