G10 



SPIKE REDTOP 



Agros'tis exara'ta 



Flower head (panicle) narrow, contracted, 

 spikelike, 2 to 10 in. long, densely flowered, 

 greea or reddish purple 



Individual flower group (spikelet^l-flowered, 

 very small (>{ e to % in. long) 



Lowest (2) spikelet bracts (glumes) nearly 

 equal, sharp-pointed, harsh to the touch on keel 

 and margins, remaining attached aftor "seed" 

 falls 



Outer flower bract (lemma) about % as long as. 

 glumes, papery, hairless, beardless (awnless), or 

 with a delicate awn from the middle of the back; 

 inner flower bract (palea) absent or a minute scale 



Stems erect or somewhat bent at base, 8 to 

 48 in. tall, tufted, smooth, hairless 



n< r\ 



Leaves mostly basal, erect, usually flat, K to 

 % in. wide and 2 to 4 (sometimes 8) in. long, 

 harsh to touch; sheaths smooth or somewhat 

 harsh; appendage (ligule) at. junction of 

 sheath and blade, prominent, membranous 



Roots fibrous; rootstocks lacking 



