551 



U. S. DEPARTMENT OF AGRICULTURE. 



OFFICE OF EXPERIMENT STATIONS— BULLETIN NO. 125. 



A. C. TRUH, Director. 



A DIGEST 



OF 



nn 



CEDING, 



BY 



C. F- LANG-^A^OXiTIIY, Ph. D., 



Office of Exterimrj^it RtatK)Ns. 



WASHINGTON: 



GOVERNMENT PRINTINr4 OFFICE. 

 1 9 (I 3 . 



