Fic. 115. Cynosurus cristatus L. DOG’S-TAIL-GRASS,—a, A spikelet in 
fower; * the same showing only stigmas; ¢, a sterile spikelet composed of empty 
5. C¥NOSURUS Linn. Sp. Pl.71. _ 18. _ Spikelets of two forms i in small fas- 
cicles, these forming a dense, s ; terminal 
spikelets of the fascicles 2- to 4flowered, hermaph hrodite e, the lower spikelets 
sterile, consisting of many empty glumes; rachilla of the fertile spikelet articu- 
é : : i lumes broad: 
lated. Empty glumes 2, narrowly lanceolate, acute; glu er, 
branous, 1- to rved, mucronate ora Glumes of the sterile 
spikelet distichous, ding, subequal, linear, 1-nerved; rachilla n ticu- 
ms 3. les distinct, short; oosely plum G 
, finally adherent to . Ann 
with flat leaves. 
4, Sbecies 4oF 5, in the north tempera berate regions of the Old World. ne fate 
and sparingly y naturalized in the Uni nited States. 
