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Manual of the New Zealand Flora.

Tribe VIII. Festugeæ

Tribe VIII. Festugeæ.

Spikelets 2-many-flowered, usually panicled or racemed. Flowering glumes generally exceeding the outer glumes, awnless or with 1 or several straight awns, which are usually terminal, rarely dorsal. Rhachilla produced beyond the uppermost flower.

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Tall reed-like grasses with silvery panicles. Flowering glumes covered with long hairs, membranous. Rhachilla long, glabrous 25. Arundo.
Spikelets 3–5 flowered, usually rounded on the back. Flowering glumes 2–3-toothed, middle tooth often mucroniform or slightly awned 26. Triodia.
Panicle spiciform. Spikelets 2–5-flowered, shining, compressed. Flowering glumes scarious, mucronate or shortly awned 27. Kœleria.
Spikelets 2-many-flowered, compressed. Flowering glumes keeled at the back, acute or obtuse, awnless, often (together with the rhachilla) clothed at the base with tangled hairs. Hilum punctiform 28. Poa.
Spikelets 3-many-flowered. Flowering glumes rounded at the back, obtuse, awnless, 5–9-nerved. Lodicules distinct. Hilum punctiform 29. Atropis.
Spikelets 2-many-flowered. Flowering glumes rounded on the back, more rigid than in Poa, acute or awned. Ovary naked or hairy. Hilum long, linear 30. Festuca.
Spikelets 3-many-flowered. Flowering glumes rounded on the back or slightly keeled, mucronate or awned, 5–9-nerved. Ovary villous at the top 31. Bromus.