CLASSIFICATION. 



Ill 



who feast upon its seeds. It has been found in Surrey, 

 Suffolk, and Norfolk. It is indigenous in nearly all the 

 countries of Europe, and 

 also in North Africa and the 

 United States. It flowers 

 during the latter part of the 

 summer and the early au- 

 tumn, and its polished seeds 

 are ripe in September. 



It is distinguished from 

 the Rough Panicum by the 

 erect teeth of its bristles, 

 and from the Glaucous Pa- 

 nicum by the equal length 

 of the second and third 

 glumes. 



6. Panicum Crus-galli, Linn. Cockspur Panicum. 



{JEcTiinochloa, Bab. Man.) 



Root annual, fibrous ; stems erect, smooth, furrowed ; 

 leaves broad, harsh, pointed, rough beneath, central rib very 

 clearly marked ; sheaths tumid, the panicle arising closely 

 from the uppermost one ; ligule either absent or only supplied 

 by a white mark or a few hairs ; panicle compound, dense, 

 the main branches distant below, crowded above, rough, 

 from six to ten in number, with a few very short branch] ets 

 bearing clusters of sessile spikelets with long smooth hairs 

 springing from their base ; spikelets crowded, all turned to 

 one side ; first empty glume broad and short, the second as 

 long as the floret, rough with short hairs and three-ribbed, 

 the third of equal length, and terminating in a short or 

 long bristly awn ; flowering glume very thin and transpa- 

 rent, smooth, glossy, and awnless ; the palea of the barren 



