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



13. Chloris subdoiichostachya C. Muell. (Fig. 1076.) Similar to 

 C. verticillata, but not more than 20 cm tall, spikes mostly less than 6 

 cm long, these more condensed and usually in one whorl or irregularly 

 approximate; lemma 2 to 2.5 mm long, the awns mostly less than 

 3 mm long; rudiment oblong-cuneate, about 0.6 mm wide as folded. 

 % (C. brevispica Nash.) — Plains, Texas. 



Figure 1074— Chloris verticillata. Panicle, X 1; florets, X 5. (Ball 1112, Tex.) 



14, Chloris iatisquamea Nash. (Fig. 1077.) Culms densely 

 tufted, 20 to 60 cm tall, very leafy at base, sometimes rooting at the 

 lower nodes ; sheaths compressed, 2 to 4 often aggregate at the lower 

 node; blades 2 to 4 mm 

 wide; spikes mostly 8 to 

 12, relatively broad, 4 to 

 10 cm long, in 1 or 2 





Figure 1076.— Chloris subdolichostachya. Panicle, X I; florets, 

 X 5. (Heller 1579, Tex.) 



Figure 1075.— Distribution of 

 Chloris verticillata. 



whorls, spreading; spike- 

 lets rather crowded, pale, 

 turning fuscous at matur- 

 ity ; lemma about 2.5 mm 

 long, pubescent on the 

 nerves, the awn 2 to 2.5 mm long; rudiment triangular cuneate, about 

 1 mm wide at summit as folded. % —Plains, Texas, Arizona. 

 Resembling C. cucullata, but commonly taller with longer spikes the 

 rudiment longer than broad, less inflated, the awns 2 to 2.5 mm long. 

 15. Chloris cucullata Bisch. (Fig. 1078.) Culms tufted, erect or 

 somewhat spreading at base, 20 to 50 cm tall; sheaths compressed; 



