SETAEIA. . 201 



SPECIFIC OHAEACTEE. 



Spike cylindrical (2 to 3 inches long, pale green), 

 composed of apparently whorled short clusters; 

 bristles short, adhesive. Found near dwellings, 

 though rarely. 



2. S. Glauca (Bottle grass— sometimes called Fox- 

 tail), 



SPECIFIC CHAEACTEE. 



Spike cylindrical, dense, tawny yellow (2 to 4 in. 

 long) ; bristles 6 to 11 in a cluster, much longer than 

 the spikelets, perfect flower, transversely wrinkled ; 

 stem from 1 to 3 feet high ; very common in stubble. 

 Flowers in July. 



3. S. Viridis (The Green Foxtail ; also called Bottle 



grass). 



SPECIFIC CIIAEACTEE. 



Spike nearly cylindrical, more or less compound, 

 green ; bristles few, longer than the- spikelets ; per- 

 fect flower^ striate lengthwise and dotted ; common 

 in cultivated ground. 



4. S. Italica (Italian Millet or Bengal grass). 



SPECIFIC CHAEACTEE 



. Spike compound, interrupted at the base, thick, 

 nodding (6 to 8 in. long), yellowish or purplish) ; 

 2 or 3, in a cluster, either much longer, or else shorter 

 than the spikelets. 



