G2 



CRESTED WHEATGRASS 



Agropy'ron crista'tum 



Flower heads (spikes)-^solitary, at ends of 

 stalks, mostly IK to 3 in. long, very densely 

 flowered except for occasional interruption near 

 base, often nodding . 



Individual flower groups (spikelets) much 

 flattened, closely overlapping, about % in. apart, 

 spreading, placed flatwise at angles of the 

 slightly zigzag, hairy flower-head axis (rachis), 

 without hairs to shaggy-hairy, K to % in. long 



Lowest (2) spikelet bracts (glumes) firm, 

 keeled, tapering into a short bristle (awn) 



Leaves flat, smooth below, slightly harsh 

 above 



Stalks (culms) erect, in dense tufts, 24 to 40 

 in. high, leafy 



Outer flower bract (lemma) somewhat 

 abruptly narrowed into a short awn 



Roots fibrous, extensive; rootstocks lacking 



