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Manual of the New Zealand Flora.

Tribe V. AgrostideÆ

Tribe V. AgrostideÆ.

Spikelets 1-flowered; rhachilla frequently produced beyond the flower. Outer glumes 2, usually as long or longer than the flowering glume.

Spikelets panicled. Outer glumes usually longer than the flowering, which are rigid and convolute and awned. Awn long, terminal, bent, usually twisted below the bend 12. Stipa.
Panicle short and dense, cylindrical, bristly from the long awns. Flowering glume hyaline, 3-fid, middle lobe produced into a long awn. Rhachilla evidently produced. 13. Echinopogon.page 841
Panicle dense, cylindrical. Outer glumes compressed, fringed on the keel. Flowering glume hyaline, with a short dorsal awn. Rhachilla not produced 14. Alopecurus.
Panicle long, narrow and spike-like in the New Zealand species. Spikelers small, awnless. Flowering glume usually exceeding the outer glumes. Seed loose in the pericarp and finally expelled from it. 15. Sporobolus.
Spikelets panicled. Outer glumes very minute. Flowering glume awnless, acuminate, pubescent. Palea almost as long as the glume 16. Simplicia.
Spikelets small, panicled. Flowering glume hyaline, much smaller than the outer glumes, awned on the back or awnless. Palea usually short, often minute or wanting. Rhachilla not produced 17. Agrostis.
Spikelets small, panicled. Flowering glume hyaline, smaller than the outer glumes or almost equalling them, awned on the back. Palea more than half as long as the flowering glume. Rhachille produced beyond the palea, silky 18. Deyeuxia.
Panicle long, narrow, dense, bristly from the long awns. Flowering glume hardly shorter than the outer glumes, with a long and fine awn from the back near the tip 19. Dichelachne.