Deyeuxia Clarion ex P.Beauv.

Leaves inrolled Deyeuxia

Lemma awned at least in the young stages

Lemma shorter than, or almost equal, to the upper glume, rarely very slightly exceeding it

Lower glume usually longer than the upper

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Awn attached near the base of, or at least in the lower third, of the lemma, exserted beyond the glumes. Panicle dense, usually more than 8 cm long, cylindrical in outline, sometimes lobed. Leaf blades flat or slightly inrolled. Perennial up to 120 cm high. Widespread and very variable. In a variety of habitats. Fl. spring–summer. Reed Bent Grass Deyeuxia quadriseta

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Awn attached above the lower third of the lemma. Spikelet c. 3 mm long; awn only slightly exceeding the lemma. Panicle dense, 15–25 cm long; the branches slightly spreading. Leaf blades linear, flat. Tufted perennial up to 80 cm high. Widespread. Swamps and river banks. Fl. spring Deyeuxia mesathera