No. I4-] FLOWERING PLANTS AND FERNS. 57 



. along the coast and the larger streams ; rare elsewhere. July — 

 Sept. 



SETARIA Eeauv. Bristly Foxtail Grass. 

 Setaria imberbis R. & S. (beardless), var, perennis (Hall) 

 Hitchc. (perennial). 

 Chaetochloa versicolor Bicknell. 

 Perennial Foxtail Grass. 



Occasional or frequent on the coast on borders of salt 

 marshes. Aug. — Sept. 



Setaria glauca (L.) Beauv. (glaucous). 

 Chaetochloa glauca Scribn. 

 Ixophorus glaucus Nash. 

 Foxtail. Pigeon Grass. Twitch Grass. 



Common. Cultivated ground and waste places. July — 

 Sept. Naturalized from Europe. 



Often a troublesome weed in gardens. 



Setaria verticillata (L.) Beauv. (whorled). 

 Chaetochloa verticillata Scribn. 

 Ixophorus verticillatus Nash. 

 Rough Foxtail Grass. 



Rare or local. Roadsides and waste places in towns and 

 cities. July — Sept. Naturalized from Europe. 



Setaria viridis (L.) Beauv. (green). 

 Chaetochloa viridis Scribn. 

 Ixophorus viridis Nash. 

 Green Foxtail. Bottle Grass. 



Frequent to common. Cultivated ground and waste 

 places. June — Aug. Naturalized from Europe. 



A weed in gardens and cultivated fields. 



Setaria italica (L.) Beauv. 

 Chaetochloa italica Scribn. 

 Ixophorus italicus Nash. 

 Common, Italian or German Millet. Hungarian Grass. 



Rare or occasional. Escaped from cultivation to road- 

 sides and waste places. Aug. — Sept. Adventive from Europe. 



The var. germanica (Mill.) Richter, Golden-Wonder 

 Millet, occurs rarely. 



