16 MISSOURI BOTANICAL GARDEN BULLETIN 
C. W. Dodge, Professor of Botany, Harvard University, 
Cambridge, Massachusetts. 
M. J. Dorsey, Professor in Charge of Department of Horti- 
culture, University of West Virginia. 
H. C. Drayer, Principal, Jackson School, University City, 
Missouri. 
W. H. Emig, Assistant Professor of Botany, University 
of Pittsburgh, Pennsylvania. 
M. R. Ensign, Associate Professor, University of Arkansas, 
Fayetteville. 
E. C. Ewing, Manager, Experimental Department, Delta 
and Pine Land Company of Mississippi, Scott. 
G. L. Foster, Associate in Biochemistry, University of Cali- 
fornia, Berkeley. 
G. W. Freiberg, Head of Research Laboratory, Commer- 
cial Solvents Corporation, Terre Haute, Indiana. 
P. L. Gainey, Associate Professor of Bacteriology, Kansas 
State Agricultural College, Manhattan. 
R. R. Gates, Professor of Botany, University of London, 
England. 
J. C. Gilman, Assistant Pathologist, Iowa Agricultural 
Experiment Station, Ames. 
Adele L. Grant, Instructor in Botany, Cornell University, 
Ithaea, New York. 
J. A. Harris, Resident Investigator, Station for Experi- 
mental Evolution, Cold Spring Harbor, Long Island, New 
York. 
Ada Hayden, Assistant Professor of Botany, Iowa State 
College, Ames. 
G. G. Hedgeock, Pathologist, Bureau Plant Industry, 
Washington. 
Clara B. Hill, Teacher, Arizona. 
George R. Hill, Jr., Professor of Botany and Dean of Col- 
lege, Utah Agricultural College, Logan, Utah. 
A. S. Hitecheock, Systematic Agrostologist, U. S. Depart- 
ment of Agriculture, Washington. 
I. C. Hoffman, Assistant in Horticulture, Purdue Uni- 
versity, Lafayette, Indiana. 
C. R. Hursh, Instructor in Pathology, University of Min- 
nesota, Minneapolis. 
