U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF PLANT INDUSTRY— BULLETIN No. 41. 



B. T. GALliOWAY, C'Wfoj Htnxiii. 



ERCIiL GRADING 



BY 



CARL S. SCOFIELD, 

 Expert, Grain Investigations. 



BOTANICAL. INVESTIGATIONS AND EXPERIMENTS 



Issued June 13, 1903. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 

 1 9 3. 



