BARLEY 129 



except for its broad glumes, are found only in Abyssinia. 

 There is one hulless group with short pyramidal spikes, 

 found only in Abyssinia and China. The principal 

 varieties of erect six-row barley are here given, classified : 



A. KERNELS HULLED 



(HORDEUM HEXASTICHUM BRACHYATHERUM, KCKE.) 



1. Spikes pale yellow, awns short. 



Winter Chinese Winter, Japan Six-row. 



(HORDEUM HEXASTICHUM PYRAMIDATUM, KCKE.) 



2. Spikes pyramidal, white to dull yellow, awns long. 



Spring Cataluna, Long Six-row. 



Winter English Winter, Long Six-row, Winter Club. 



(HORDEUM HEXASTICHUM PARALLELUM, KCKE.) 



3. Spikes parallel, white, awns long. 



Spring Reed Triumph, Mariout. 

 Winter Japan Winter. 



B. KERNELS HULLESS 



(HORDEUM HEXASTICHUM REVELATUM, KCKE.) 



4. Spikes short, compact, white, awns stiff, short. 



122. Common barley (Hordeum vulgare, Linn.). In 

 the common nodding six-row barley, called inaccurately 

 four-row barley, the flowers of all three spikelets are fer- 

 tile. The spikes are therefore six-rowed as in erect six- 

 row barley, but differ from the latter in the greater length 

 of internode, whereby the spike is much looser, and the 

 spikelets do not overlap those immediately above, but 

 lie closer to the rachis, Because of this condition, the 



