MISSOURI BOTANICAL GARDEN BULLETIN 103 
12:30 P.M. Lunch at the Garden. 
1:30P.M. Graduate Lecture Room. 
“RECENT INVESTIGATIONS ON THE PROTOPLASM OF PLANT 
CELLS AND Its CoLtLomaAL PROPERTIES” 
: Professor Frederick Czapek 
Physiologisches Institut der K. K. Deutschen Universitit, Prag, Austria 
“EXPERIMENTAL MODIFICATION OF THE GERM PLAsM” 
Director D. T. MacDougal 
Department of Botanical Research, Carnegie Institution 
of Washington, Tucson, Arizona 
“HORMONE IM PFLANZENREICH” 
Director Hans Fitting 
Botanisches Anstalten der Universitit Bonn, Bonn, Germany 
“THe Law or TEMPERATURE CoNNECTED WITH THE 
DISTRIBUTION oF MARINE ALGAE” 
Professor William A. Setchell 
University of California, Berkeley, California 
“UnEBER ForMBILDUNG UND RHYTHMIK DER PFLANZEN 
> Director Georg Klebs 
Botanisches Institut Universitit Heidelberg, Heidelberg, Germany 
3) 
“PHYLOGENY AND RELATIONSHIPS IN THE ASCOMYCETES” 
Professor George F. Atkinson 
Cornell University, Ithaca, New York 
“THE ORGANIZATION OF A MuSHROOM” 
Professor A. H. Reginald Buller 
University of Manitoba, Winnipeg, Canada 
“A Consprectus or BACTERIAL DisEASES IN PLANTS” 
Dr. Erwin F. Smith 
Bureau of Plant Industry, U. S. Department of Agriculture, 
Washington, D. C. 
7:30P.M. Trustees’ Banquet. Liederkranz Club. 
NOTES 
In the herbaceous tract the rice is now heading and the 
cotton plants present an interesting series of transitions from 
the just opened flower to mature bolls. 
On July 24 the wives and daughters of delegates to the 
Optometric Convention visited the Garden and were escorted 
through the houses and grounds by Mr. Pring. 
Dr. Elbert Bartholomew, Instructor in Botany in the 
State University at Madison, Wisconsin, spent several hours, 
