Vol. XX FEBRUARY 1, 1921 No. 9 



JOURNAL OF 



AGRICULTURAL 

 RESEARCH 



CONTENTS 



Page 



Another Conidial Sclerospora of Philippine Maize - - 669 



WILLIAM H. WESTON, Jr. 



( Contribution from Bureau of Plant Industry ) 



Onion Smudge --------- 685 



J. C. WALKER 



(Contribution from Bureau of Plant Industry) 



Variations in Colletotrichum gloeosporioides - 723 



O. F. BURGER 



(Contribution from California Agricultural Experiment Station ) 



PUBLISHED BY AUTHORITY OF THE SECRETARY OF AGRICULTURE, 



WITH THE COOPERATION OF THE ASSOCIATION OF 



LAND-GRANT COLLEGES 



WASHINGTON, D. C. 



WMHINOTOH : QOVERKMENT PBINTIKO OFFtCB : t«!l 



