18 MISSOURI BOTANICAL GARDEN BULLETIN 
G. L. Peltier, Professor of Pathology, University of Ne- 
braska, Lincoln. 
L. J. Pessin, Instructor in Botany, Mississippi A. & M. 
College, Agricultural College. 
Norma E. Pfeiffer, Assistant Professor of Botany, Uni- 
versity of North Dakota, Grand Forks. 
Alice Pickel, Teacher of Biology and General Science, 
Maplewood High School, Missouri. 
Frances G. Pickrell, Teacher, West High School, Des 
Moines, Iowa. 
W.S. Reeves, Orchard Superintendent, Terra Bella, Cali- 
fornia. 
M. D. Renkenberger, Teacher in Joliet Township High 
School, Illinois. 
R. E. Richardson, Biologist, Illinois Natural History Sur- 
vey, Urbana. 
J. Mathilda Rollman, Chemist, Pevely Dairy Company, 
St. Louis. 
D. H. Rose, Pathologist, U. S. Bureau of Markets, Chicago. 
Caroline Rumbold, Pathologist, Sugar Plant Investigations, 
U. S. Department of Agriculture, Washington. 
W. A. Ruth, Assistant Professor of Pomology, University 
of Illinois, Urbana. 
H. Schmitz, Associate Professor of Forestry, University of 
Idaho, Moscow. 
J. R. Schramm, Professor of Botany, Cornell University, 
Ithaca, New York. 
Mildred Spargo Schramm (Mrs.), Editor, Scientifie Pub- 
lications, Eastman Kodak Company, Ithaca, New York. 
H. von Schrenk, Pathologist, Missouri Botanical Garden, 
Consulting Forest Engineer, St. Louis. 
J. W. Severy, Instructor, Oregon Agricultural College, 
Corvallis. 
H. H. Shackelford, Physician, Humboldt Building, St. 
Louis. 
Laetitia M. Snow, Associate Professor of Botany, Wellesley 
College, Massachusetts. 
Perley Spaulding, Pathologist, U. 8S. Department of Agri- 
culture, Washington. 
R. A. Studhalter, Professor of Biology, Sol Ross Normal 
College, Alpine, Texas. 
