MISSOURI BOTANICAL GARDEN BULLETIN 15 
are being offered, with a total | abegete in courses (includ- 
ing biology) of 128, of which 51 are graduate registrations. 
Lectures and addresses by members of the scientific and 
Garden staffs during 1915 include the following: 
Hermann von Schrenk, January 12, before the Engineers’ 
Club of St. Louis, “Uses of Wood.” 
G. H. Pring, January 14, before the Garden Club of Web- 
ster Groves, “Aquatic Gardening.” 
Hermann von Schrenk, January 21, before the American 
Wood Preservers’ Association, Chicago, “On the Wood Pre- 
serving Industry.” 
Hermann von Schrenk, February 2, before the Michigan 
Retail Lumber Manufacturers’ Association, Mt. Clemens, 
Michigan, “On Uses of Wood.” d 
Hermann von Schrenk, February 3, before the Ohio Re- 
tail Lumber Manufacturers’ Association, Toledo, Ohio, 
“Wood Values.” 
John Noyes, February 18, before the Garden Club of Web- 
ster Groves, “How the Improvement of Home Grounds Pro- 
motes City Planning.” 
Hermann von Schrenk, February 24, before the Forest 
Products Federation, Chicago, “Wood Utilization.” 
George T. Moore, February 26, before the St. Louis Y. M. 
C. A., Central Branch, “Agriculture as a Life Work.” 
W. W. Ohlweiler, March 11, before the St. Louis Florists’ 
Club, “A Few Things About Soils.” 
F. G. Grossart, March 16, before the St. Louis Academy of 
Science, Entomological Section, “The Evolution of the 
santhemum.” : : 
George T. Moore, March 18, before the Washington Uni- 
versity Chapter of the Society of the Sigma Xi, “Botany as 
an Applied Science.” 
C. W. Garrett, March 18, before the Garden Club of 
Webster Groves, “Roses.” 
George T. Moore, March 22, before the St. Louis Y. M. 
C. A., Railroad Branch, “The Missouri Botanical Garden 
and Its Service to the City.” 
Hermann von Schrenk, March 24, before the Commercial 
Club of Kansas City, “Wood Blocks Paving.” 
_Hermann von Schrenk, March 30, before the Kansas 
City City Club, “Wood Blocks Streets.’ : 
C. H. Thompson, April 1, before the Mothers’ Circle of 
the Horace Mann School, “Popular Educational Features of 
the Missouri Botanical Garden.” 
C. H. Thompson, April 22, before the Garden Club of 
Webster Groves, “Flowers and Insects.” 
