12 MISSOURI BOTANICAL GARDEN BULLETIN 
B. M. Duggar, July 17-23, before the Graduate School of 
the Massachusetts Agricultural College, Amherst, Massachu- 
setts, “Cell Entity or Growth Organization,” five lectures. 
George H. Pring, September 26, before the members of 
the Clifton Heights Presbyterian Church, “Insects and 
Flowers.” 
John Noyes, October 14, before the St. Louis Art League, 
“The Current Exhibit of Landscape Gardening in the Gar- 
den Museum.” 
Hermann von Schrenk, October 16, before the convention 
of Employes of Purchasing and Store Departments, Santa Fe 
System, at Temple, Texas, “Timber Specifications.” 
Hermann von Schrenk, October 18, before the convention 
of American Railway Superintendents of Bridges and Build- 
ings, at New Orleans, “On Defects of Timber and Preventive 
Methods.” 
Hermann von Schrenk, November 1, before the conven- 
tion of South ress Manufacturers’ Association, Jackson- 
ville, Florida, ‘“Fire-Resistive Methods in Wood Construc- 
tion.” 
Alexander Lurie, November 11, before the Association of 
Collegiate Alumnae, “Winter Protection of Plants.” 
W. W. Ohlweiler, November 13, before the Parkview Im- 
rovement Association, “Garden Development About the 
ome.” 
Hermann von Schrenk, November 14, before the Purchas- 
ing Agents’ Association, Chicago, “On Structural Timbers, 
Their Use and Disuse.” 
George T. Moore, November 15, before the General Assem- 
bly, Graham Memorial Chapel, Washington University, “On 
Being Scientific.” 
Alexander Lurie, November 22, before the Railroad 
Branch, Y. M. C. A., “Flowers for the Home.” 
B. M. Duggar, November 29, before the General Assembly, 
Graham Memorial ae Washington University, “A Phase 
of Plant Industry: a Chapter in National Preparedness.” 
Alexander Lurie, December 6, before the Missouri State 
Horticultural Society, Kansas City, “Tree Surgery.” 
John Noyes, December 12, before the St. Louis Garden 
Club, “Distinctiveness in the Garden.” 
W. W. Ohlweiler, December 15, before the St. Louis Col- 
lege of Somaya “What the Missouri Botanical Garden 
ers to the Student of Pharmacy.” 
Hermann von Schrenk, December 19, before the Purchas- 
ing cag Association of St. Louis, “Timber Specifications 
and How to Use Them.” 
