12 MISSOURI BOTANICAL GARDEN BULLETIN 
W. W. Ohlweiler, January 12, before the Garden Club 
of Webster Groves, Missouri, “Garden Plans”. 
George T. Moore, February 17, before the Washington 
eee Association, “Speculations Regarding the Origin 
of Life’’. 
George T. Moore, February 20, before Town and Gown, 
“Botany and the Town”. 
H. von Schrenk, February 20, before the Young People’s 
Union of the Ethical Society, “Trees and Modern Uses of 
Lumber’”’. 
H. von Schrenk, in March, before the Department of 
Forestry, University of Toronto, five lectures on “Diseases of 
Trees and Structural Timbers”. 
H. von Schrenk, March 10, before the Garden Club of 
Webster Groves, “Tree Planting and Diseases of Trees”. 
G. H. Pring, March 11, before the School of Social Econ- 
omy of Washington University, “Evolution of the Chry- 
santhemum”’; March 18, “Pollination of Plants”. 
W. W. Ohlweiler, April 6, before the Monday Club of 
Edwardsville, Illinois, “Home Gardens”. 
George T. Moore, April 13, in the Washington Univer- 
sity Series, “Edible and Poisonous Mushrooms”. 
W. W. Ohlweiler, April 14, before the eugenics class of 
the School of Social Economy, Washington University, 
“Plant Development’. 
B. M. Duggar, April 15, before the Graduate Association 
of the Iowa Agricultural College, “The Vegetation and Plant 
Relations of Algeria and the Sahara’’. 
B. M. Duggar, April 20, in the Washington University 
Series, “Mushroom Growing and Truffle Hunting”. 
C. H. Thompson, April 21, before the Science Section of 
the Wednesday Club, “Pests of Forest Trees’. 
J. M. Greenman, April 27, in the Washington University 
Series, “Our Native Wild Flowers”. 2 
H. von Schrenk, May 4, before the National Lumber 
Manufacturers’ Association, in Chicago, “The Proper Uses 
of Lumber”. 
W. W. Ohlweiler, May 15, before the St. Louis Branch of 
the American Pharmaceutical Society, “A Modern Herbal 
Garden”. 
B. M. Duggar, June 1, before the Alumni Association of 
the Mississippi State College, ‘““The Influence of Science”. 
W. W. Ohlweiler, October 9, before the Association of 
American Cemetery Superintendents, “Flower Displays 
Without Rain”. ; 
John Noyes, October 9, before the Association of American 
Cemetery Superintendents, “Pictures in a Park Cemetery”. 
