PROCEEDINGS OF THE CLUB 



Special Luncheon October 26, 1931 



The special luncheon for Doctor Jakob Lange of Copen- 

 hagen, at the American Museum of Natural History, was at- 

 tended by about forty members of the Torrey Botanical Club 

 and the New York Micological Society. 



During the luncheon Doctor Lange gave an entertaining ad- 

 dress telling of the confusion in the naming of species of mush- 

 rooms, common to both the new and the old world, and gave 

 particular emphasis to the importance of accurate color plates 

 showing the different species as they are in life. He strongly ad- 

 vocated that a set of colored pictures, both the American and 

 European forms, be prepared and published as rapidly as pos- 

 sible as neither herbarium material nor descriptions have proven 

 entirely adequate. 



There were a large number of special exhibits of fungi and 

 of pictures of mushrooms. Mrs. Eliza E. Blackford made a very 

 fine exhibit of her own paintings of mushrooms and Doctor 

 Lange had a remarkably comprehensive collection of colored 

 pictures of European fungi. Miss Margaret McKenny showed 

 some interesting photographs and a number of members brought 

 in fresh specimens of a large number of species which Doctor 

 Lange examined and identified. 



Respectfully submitted, 



Forman T. McLean 

 Secretary 



Meeting of October 30, 1931 



The meeting was called to order by President Sinnott at 

 8:15 P.M. in the lecture room of Schermerhorn Hall, Columbia 

 University. The hall was practically filled with visitors, the 

 estimated number exceeding two hundred. All official business 

 of the club was dispensed with. 



Professor Georg Tischler of Kiel University talked on ''The 

 Role of Hormones, Growth-Promoting Substances and Mito- 

 genetic Radiations in Plant Development". He gave an inter- 

 esting and comprehensive talk emphasizing the importance of 

 some component of dead or dying cells in promoting cell divi- 

 sion. He drew comparisons from a wide field of research for 



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