16 MISSOURI BOTANICAL GARDEN BULLETIN 
George T. Moore, May 21, before the Nebraska Academy 
of Sciences, “The Missouri Botanical Garden as a Scientific 
Institution.” 
Hermann von Schrenk, October 14, Burroughs Nature 
Study Club, “Trees.” 
R. A. Studhalter, October 18, before the St. Louis Academy 
of Science, “The Present Status of the Chestnut Bark Dis- 
ease.” 
John Noyes, November 19, before the Missouri Botanical 
Garden Alumni Association, “The Pursuit of Beauty.” 
B. M. Duggar, November 23, before the Washington Uni- 
versity Association, “Chance and Adjustment Versus Pur- 
pose in the Responses and Evolution of Living Things.” 
George T. Moore, December 4, before the St. Louis Medical 
Association, ‘Plant Diseases.” 
S. M. Zeller, December 20, before the St. Louis Academy 
of Science, “Infectious and Non-infectious Chlorosis of 
Plants.” 
A meeting of the Society of the Sigma Xi, with invitations 
extended to the Biological Society of St. Louis, was held in 
the graduate laboratory on March 18, with an address by 
Dr. Moore and with demonstrations of some of the lines of 
investigation being pursued by ae students. A meet- 
ing of the Graduate Club was held in the laboratories, 
November 14. 
Graduates and Fellows.—Dr. A. R. Davis, formerly Rufus 
J. Lackland fellow, was appointed research assistant in June, 
since which time he has continued the prosecution of import- 
ant investigations. 
The following are the 1915 appointments to the Rufus J. 
Lackland fellowships: 
G. W. Freiberg, B.S. South Dakota Agricultural College 
(formerly assistant in botany and graduate student, Univer- 
sity of Missouri), a second year; R. A. Studhalter, 
A. B, University of Texas (formerly assistant in forest 
pathology, Bureau of Plant Industry, Department of Agri- 
culture), reappointed second year; W. W. Bonns, S.B. Massa- 
chusetts Institute of Technology, B.S.A. Cornell Universi 
(formerly assistant professor of pomology, University of Cali- 
fornia, Citrus ee, Station, Riverside, California) ; 
C. W. Dodge, A.B. Middlebury College (formerly teacher 
of elementary botany, Middlebury Hi School) ; a; A. 
Young, B.S. Ohio University, M.S. North Carolina Agricul- 
tural College (formerly instructor in botany, North Carolina 
Agricultural College). 
