G90 



BULB PANICGRASS 



Pa'nicum bulbo'sum 



Flower head (panicle) open, 8 to 25 

 in. long, with single or clustered, wavy, 

 ascending or somewhat spreading 

 branches, long-exserted from top leaf 

 sheath 



Individual flower groups (spikelets) 

 commonly purplish, about }'% in. long, 

 hairless, somewhat pointed at tip, 2- 

 flowered; lower flower imperfect; upper 

 flower perfect 



Leaves 8 to 24 in. long and # to nearly 

 M in. wide, flat, erect or ascending, 

 somewhat harsh, especially on upper 

 surface, often hairy near base 



Stalks (culms) tufted, erect, 3 to 7 ft. 

 high, stout, smooth, with hard, bulblike 

 enlargements (".conns") at base 



Roots fibrous, strong 



Imperfect flower reduced to a 5- 

 nerved bract (sterile lemma) which 

 rarely encloses a male flower 



Lowest (2) spikelet bracts (glumes) 

 very unequal, both falling with "seed"; 

 1st, usually 3-nerved, about M as long 

 as 5-nerved 2d glume 



Outer flower bract (lemma) about as 

 long as spikelet, soon folded around 

 "seed", transversely wrinkled 



