54 MISSOURI BOTANICAL GARDEN BULLETIN 
NOTES 
Dr. Hermann von Schrenk, Pathologist to the Garden, was 
elected president of the Missouri Forestry Association, 
March 21. 
Dr. Hermann von Schrenk delivered an address at the 
University of Wisconsin, March 19, on ‘‘Timber as an Engi- 
neering Material.’’ 
The hail storm on the night of April 9 broke one thousand 
panes of glass in the Garden greenhouses, necessitating 
closing the houses for two days to allow clearing the roofs 
of hanging glass. 
Dr. Edgar Anderson, Geneticist and in Charge of School 
for Gardening, is the author of a paper in the J anuary num- 
ber of Genetics, entitled ‘‘The Genetic Basis of Self-Sterility 
in Nicotiana.’’ 
Dr. Edgar Anderson talked before the Scoutmasters of the 
Central District, St. Louis, April 15, on ‘‘Nature Study ;’’ 
and on April 17 gave an illustrated lecture before the con- 
servation section of the General Federation of Women’s 
Clubs, at the Chamber of Commerce, on ‘‘Native Wild Flow- 
ers of Garden Value.’’ 
Recent visitors to the Garden include Mr. E. J. Palmer, 
of the Arnold Arboretum; Mr. W. W. Ashe, of the United 
States Forestry Service, and Dr. L. J. Pammel, professor of 
botany, Iowa State College, Ames, Iowa. 
On the afternoon of April 17 the senior class of the St. 
Louis School of Pharmacy planted a red oak tree, with 
appropriate ceremonies, in the medicinal garden at the 
Garden. In view of the fact that Mr. Shaw was one of the 
founders of the School of Pharmacy, this was a particularly 
fitting occasion. 
Dr. George T. Moore, Director of the Garden, gave an 
illustrated lecture before the Women’s Chamber of Com- 
merce, at a luncheon at the Washington Hotel, April 3, on 
‘‘Lawns and Spring Gardens;’’ and in the evening spoke 
before the first annual convention of the American Associa- 
tion of Oil Burner Manufacturers at the Hotel Chase, on 
““Measurement and Menace of Smoke.’’ 
Mr. G. H. Pring, Horticulturist to the Garden, has recently 
given the illustrated lecture, ‘‘Collecting Orchids in South 
