G42 



PINEGRASS 



Calamagros'tis rubes'cens, syns. C. cusick'ii, C. luxu'rians, C. suksdor'fii, C. 



suksdor'fii luxu'rians 



Flower head (panicle) narrow, dense, spikV 

 like, 3 to 6 in. long, reddish or pale green, seldom 

 produced under typical growing conditions 



Stalks (culms) slender, 16 to 40 in. high; 

 flower stalks usually not produced except on 

 plants growing in open sunlight 



Individual flower groups (spikelets) 1-flow- 

 ered, small, } to K in. long 



Lowest (2) spikelet bracts (glumes) persist- 

 ent, about equal, taper-pointed, not strongly 

 keeled, harsh to the touch 



Outer flower bract (lemma) nearly as long as 

 glumes, smooth, thin, blunt at tip, surrounded 

 at base by a tuft of short hairs about % as long 

 as lemma, bristled (awned) on back near the 

 base; awn delicate, bent and exserted at side of 

 glume, shorter than the glumes; inner flower 

 bract (palea) shorter than the lemma, narrow, 

 thin-papery 



Leaves mostly basal, flat or inrolled at tip 

 only, 4 to 12 in. long, ascending with gracefully 

 curved or drooping tips, harsh to the touch, 

 hairless except on collar of sheaths 



Rootstocks extensive, creeping; underground, 

 giving rise to numerous leaves along their length 



Roots fibrous 



