> *«s 



726 MISC. PUBLICATION 200, U. S. DEPT. OF AGRICULTURE 



plicate, 1 to 2.5 cm. wide; panicles 

 narrow, loose; bristles 5 to 10 mm. 

 long. O — Ballast, Apalachicola 

 and Miami, Fla. ; adventive from 

 East Indies. Many cultivated varie- 

 ties and forms of this species have 

 been described. For a study of these 

 variants and a key to them see Hub- 

 bard, F. T., Rhodora 2: 187-196. 

 1915. 



Setaria palmif6lia (Koen.) Stapf. Palm- 

 grass. (Fig. 1108.) Tall perennial; blades 

 plicate, as much as 50 cm. long and 6 cm. 

 wide; panicle loose, 20 to 40 cm. long; bris- 

 tles inconspicuous. Ql — Cultivated in 

 the South and in greenhouses for ornament. 

 (Sometimes called Panicum plicatum.) Na- 

 tive of India. 



Set aria poiretiaxa (Schult.) Kunth. 

 Differing from S. pahnifolia in having a nar- 

 row panicle about 30 cm. long with numer- 

 ous ascending branches. % — Occasion- 

 ally cultivated for ornament. (Sometimes 

 called Panicum sulcatum.) Tropical America. 

 The last three species belong to the section 

 Ptychophyllum. 



Figure 1107. — Setaria italica, X 1; floret, 

 (Williams 82, D. C.) 



places throughout the United States 

 Eurasia. 



Setaria barbata (Lam.) Kunth. 

 cumbent annual; blades thin, lig 



Figure 1108. — Setaria palmifolia, 

 X 1. (Hitchcock 9727, Jamaica.) 



