Nov. 19, 1921 Ash Content of Awn, Rachis, and Palea 



447 



<y s 





2527 i30 



7 

 UULY 



/^ 



Tig. 5. — Percentage of ash in the awn and rachis of Hannchen (solid line), Tennessee Winter (dots and 

 dashes), and Coast (broken line) barleys sampled on 10 different dates, at Chlco, Calif., in 1917. 



the hooded varieties most largely grown have come from hybrids whose 

 parents were both from humid districts. The resulting hybrids might 

 be less brittle if parents adapted to arid conditions were used. 



