146 



BOTANY OF CROP PLANTS 



I. Ilordeum dislichon zeocrilon (peacock or fan barley) 

 (Fig. 53). — The spikes are very dense and short, about 6 



Pig. 53. — Spikes of barleys, i, two-rowed nodding barley (Hordeum dis- 

 tichon nutans); .i, medium barley (H. vulgare intermedium); 3, four-rowed 

 barley (H. vulgare pallidum); 4, hooded barley (H. vulgare trif urcatum) ; 5, 

 six-rowed barley (H. vulgare hexastichon) . 



centimeters long, broad at the base and narrow at the tip, 

 and with widely spreading beards. 



2. Hordeum distichon nudum (two-rowed naked barley). 



