Order GRAMINEiE. 
Genus Agrostis. 
Sub-Order AgrostidejE. 
Genus XIV.—AGROSTIS, Linnaeus. 
Spikelets small, in an open or contracted panicle, i-flowered, often pedicelled on long capillary whorled 
branches. Empty glumes 2, nearly equal, acuminate or acute, usually longer than the flowering. 
Flowering glume sessile, or shortly pedicelled, with or without an awn, obtuse, acute, or truncate. 
Palea membranous, nearly as long as the glume; very small or none. Scales 2. Stamens 2—3. 
Grain terete, free. Distribution of Genus : TEMPERATE AND COLD CLIMATES. 
Etymology: Named from the Greek word for a “field.” 
Arrangement of the Species :— 
I .—Glumes membranous, flowering one much shorter than the empty, truncate and jagged at the 
tip. Palea membranous, and much shorter than the flowering glume, or absent, without the pedicel of 
a second glume at its base. 
Flowering glume wholly glabrous, truncate. Panicle usually contracted. 
Spikelets 1 -inch, on hispid pedicels ... ... ... ... 1 .A. antarctica. 
Spikelets F—d-inch ; pedicels scarcely scabrid ; branches of panicle whorled 2. A. canina. 
Spikelets 1 —d-inch; pedicels scarcely scabrid ; branches of panicle few, 
opposite or 3-nate ... ... ... ... ... ... 3. A. parvijlora. 
Flowering glume silky. Panicles very broad. 
Leaves narrow, usually involute and filiform 
Leaves broad, flat 
4, A. wmula. 
5. A. pilosa. 
II .—Glumes membranous; flowering one much shorter than the empty; usually bearded at the 
base, and jagged at the tip. Palea shorter than the flowering glume, with the silky pedicel of a second 
glume at its base. Branches of panicle whorled, capillary. Spikelets I— 1 -inch long. 6. A. billardieri. 
III.— Glumes hard, coriaceous; flowering nearly as long as the empty, often pedicelled, silky at the 
base. Palea hard, as long as the flowering glume, with a rigid bearded pedicel of a second glume at its 
base. Panicle contracted, branches very short. 
Leaves filiform ; spikelets d—Finch; awn exserted ... ... ... 7. A. setifolia. 
Leaves filiform ; spikelets 1 — 1 -inch; awn exserted ... ... ... 8. A. avenoides. 
Leaves concave ; spikelets*—Finch; awn very short ... ... 9. A. youngii. 
Leaves concave; spikelets*—Finch; awn exserted ... ... ... 10. A. quadriseta. 
