* Awns none, or very short.
F. ovina: stems densely tufted, 1/2-1 1/2 foot high; leaves very narrow, almost cylindrical; panicle rather compact, 1 1/2-4 inches long; glumes narrow, glabrous, or downy, almost always bearing a fine point or awn. - Hilly pastures. Fl. June.
F. rubra, found in light sandy or loose stony places, resembles this, but has the rootstock more or less creeping.
F. pratensis: stems 2-3 feet high; leaves flat; panicle narrow, erect, subsecund, slightly branched, 5-6 inches long. - Meadows and moist pastures. Fl. June, July.
Var. elatior: taller, reed-like, with broader leaves, the panicle more branched and spreading. - Banks of rivers and wet places.
** Awns as long as or longer than the glumes.
F. Myurus: annual; stems tufted, one foot high; leaves narrow, convolute; panicle slender, one-sided, 2-6 inches long, contracted, sometimes reduced to a simple spike, the branches always short and erect; glumes narrow, the outer ones very unequal, the pales ending in an awn at least as long as themselves. - Sandy places, roadsides, etc. Fl. June, July.