Curly Windmill Grass, Umbrella Grass, Spider Grass
Perennial grass 25cm-1.1m tall. Leaves with a hairless or hairy sheath at the base. Ligule a membrane without a fringe of hairs. Leaves 5-20cm long, 2-6mm wide, flat, surface rough, hairy or hairless, with rough edges. Spikelets purple or brown, 7-11mm long. Seeds with one awn, in pairs. Mature seed groups digitate, with cylindrical branches.
Description and photo of fruiting plant in G.M. Cunningham, WE Mulham, PL Milthorpe and J H Leigh (1981 and later printings) Plants of Western New South Wales pages 96-97
ausgrass2 description, photos, and line drawings: http://ausgrass2.myspecies.info/content/enteropogon-acicularis