Elymus scaber (R.Br.) A.Löve

Spikelets 5–7 cm long, cuneate, with 6–12 florets, sessile or almost so, awns slender 15 mm long or more. Rhachilla distinctly hairy. Glumes unequal. Lemmas 8–20 mm long, with awns 2–4 cm long. Tufted perennial c. 1.5 m high. Widespread. Chiefly on clay soils. Fl. summer. Common Wheat Grass