THE IDENTIFICATION OF VARIETIES OF BARLEY. 19 



17. Eordeum distichon palmetto. — Continued, 

 Outer glumes narrow — Continued. 

 Kernels white — Continued. 

 Awns smooth. 



Spike narrow, lax, nodding. 



rigen's K. H. in Beaven (as var., 1902, p. 578). 



Awns wanting inerme Kornicke (as var., 1895, p. 8). 



Kernels bluish. 

 Awns rough. 



Spike narrow, lax, nodding. 



canescens K. H. in Beaven (as var., 1902, p. 578). 

 Awns smooth. 



Spike narrow, lax, nodding. 



medicum Kornicke (as var., 1882, p. 195). 

 Kernels purple. 

 Awns rough. 



Spike narrow, lax, nodding. 



hypianthinum Kornicke (as var., 1895, p. 10). 

 Outer glumes wide. 

 Kernels white. 

 Awns rough. 



Spike narrow, lax, nodding. • 



duMum Kornicke (as var., 1908, p. 431). 

 Spike wide, dense, erect-. 



macrolysis K. H. in Beaven (as var., 1902, p. 578). 

 IS. Hordenm distichon nigricans Seringe (1842, p. 357). 

 Outer glumes narrow. 

 Awns rough. 



Spike narrow, lax, nodding typica. 



Spike wide, dense, the edges parallel, awns not widely spreading. 



coniractiim Kornicke (as var., 1882, p. 198). 

 Spike wide, dense, erect, awns widely spreading. 



melanocritlwm Kornicke (as var., 1882, p. 200). 

 Awns smooth. 



Spike narrow, lax, nodding. 



■per si cum Kornicke (as var., 1882, p. 19G). 

 Awns wanting. 



decussation Kornicke (as var., 1895, p. 8). 



Outer glumes wide. 

 Awns rough. 



Spike narrow, lax, nodding. 



braunii Kornicke (as var., 1882, p. 202). 

 Spike wide, dense, erect. 



mixtum K. H. in Beaven (as var., 1902, p. 578). 

 19. Hordeum distichon angustispicatum Kornicke (1895, p. 11). 

 Outer glumes narrow. 

 Kernels white. 



Spike narrow, lax, nodding typica. 



Spike wide, dense, the edges parallel , awns not widely spreading. 



latispicatum Kornicke (as var., 1895, p. 11). 

 Spikes wide, very dense, awns widely spreading. 



furcatozeocriton K. H. in Beaven (as var., 1902, p. 578). 



