Bui. 1019, U. S. Dept. of Agriculture 



Plate I!. 



Good and Poor Heads of Dwarf and Standard Broom Corn. 



(a) A good grade of crooked; (b) high grade whisk stock; (c) group of spikes, worthless, but often 

 harvested: (3) poorly tipped brush showing also a heavy undesirable center stem; (c) high grades 

 of Standard and Dwarf, round straight fiber, full tipped with smooth well defined knuckles, no 

 center stems: (/) objectionable curly growth but marketable: (g) worthless curly brush: 

 (Z-I/-2) sectional view of brush showing (i) stem, (y) knuckle, (z) fiber. 



