Perennial Rye-grass - Lolium perenne

 Smooth wiry stems and inflorescence spikes 4 to 30 cm long. The stalkless spikelets are arranged along the stem in two opposite and alternating rows, edgeways on to the stem 7 to 20 mm long, flattened, oblong with their narrow edges facing the stem. Lemmas are usually awnless.

Lolium multiflorum - which has awns

Inflorescence a spike with stalkless (sessile), flattened spikelets alternating up the rhachis edgeways-on to it. Young tiller leaves are folded, not rolled. Florets usually have no awns.

Meadows, grassland and waste ground.

May to September.

Perennial.

Very common throughout Britain.

Very common in Leicestershire and Rutland. In the 1979 Flora survey of Leicestershire it was found in 604 of the 617 tetrads.