Aira L.

Spikelets 2–3 mm long, with 2 florets. Pedicels and branches thread-like and delicate Aira
Panicle spike-like, 1–2 cm long. Spikelets c. 3 mm long; awn 1–1.5 mm long. Pedicels usually shorter than the spikelets. Erect annual up to c. 12 cm high. Sandy soils. Introd. from Europe and Asia. Fl. spring. Early Hair Grass Aira praecox
Panicle open. Pedicels as long as or longer than the spikelets