*Elymus repens
Plants with long yellowish rhizomes. Lemmas awnless, 10 mm long. Spikelets 10–15 mm long, oblong, with 3–6 florets, sessile or almost so. Leaf blades stiff, flat, finely pointed, 2–7 mm wide. Perennial up to 1 m high. Usually on clay soils. Introd. from temperate N. hemisphere. English Couch