MANUAL OF GENERAL AGEICULTURE. 



57 



Crease 



Deep. 



Medium. 



Full. 

 Cross section 



( Horny. 

 1. \ Dull. 

 ( Starchy. 



Color 



Black. 



Purple. 



Purplish. 



Brown. 



Yellowish. 



Whitish. 



Cut cross sections of several typical grains. 



This point is determined by making cross sec- 

 tions and examining carefully. Where only 

 part of the grains show one characteristic 

 and tfie rest some other, the per cent of each 

 kind should be expressed. 



When black hulless barleys are fully matured 

 they are purplish black in color, but when 

 cut very green they are ofcen a yellowish 

 white in color, with only a tinge of purple. 



Weight of 100 grains grams 



OUTLINE FOR DESCRIBING BARLEYS. 

 Spike 



1 



2 



3 



4 



Shape 



I... 



2 



3 



4 



Color 



1 



Awns 



1 



2 



3 



Color 



1 



Spikelet 



1 



2 



Size 



I 



Outer Glume 



I... 



