136 BULLETIN 172, U. S. DEPARTMENT OF AGRICULTURE. 
glumes has been named 
L. arkansana pilosa (Trin.) 
Scribn. 
61. ALoprcuRUS L., the meadow 
foxtails. 
Spikelets 1-flowered, disar- 
ticulating below the glumes, 
strongly compressed laterally ; 
glumes equal, awnless, usually 
united at base, ciliate on the 
keel; lemma about as long 
as the glumes, 5-nerved, ob- 
tuse, the margins united at 
base, bearing from below 
the middle a slender dorsal 
awn, this included or ex- 
serted two or three times the 
length of the spikelet; palea 
wanting. 
Low or moderately tall per- 
ennial grasses with flat blades 
and soft, dense, spikelike pan- 
icles. Species about 25, in tem- 
perate regions of the North- 
Fic. 74.—Meadow foxtail, Alopecurus pratensis. Plant, X 34; spikelet and fioret, X 5. 
ern Hemisphere. Of the eight North American species, two 
are introductions from Europe and two are widely distributed in 
