IB!) 



Ai'HW. II, i<;i6 



The meeting of April 1 1 was held in the lecture room of the 

 department of Botany, (V)lumbia University, at 8:15 P.M. 

 President Harper presided. Thirty-five persons were present. 



The lecture of the evening was given by Dr. A. F. Blakeslee 

 on "Sexuality of the Mucors." The lecture was illustrated by 

 lantern slides. The speaker gave a brief account of the life 

 history of some of the common moulds and explained in some 

 detail the meaning of the terms + and — strains and how it is 

 possible to determine the sex of these strains. Specimens 

 showing zygospore formation and pure cultures of different 

 species were exhibited. 



Meeting adjourned. B. O. Dodge, 



Secretary 

 April 26, 1916 



The meeting was held in the Morphological Laboratory of 

 the New York Botanical Garden at 3 :30 P.M. President Harper 

 presided. Twenty-one persons were present. 



The minutes of the meetings held March 29 and April 11 were 

 read and approved. The treasurer announced a gift of $100 

 from Miss Caroline Haynes to be applied to the Underwood 

 Fund. The gift was accepted with a rising vote of thanks to 

 Miss Haynes for this generous contribution. 



Miss Sophia Taistra, Garden Street, Hoboken, N. J., Mr. J. 

 T. Beals, 71 West 23d Street, N. Y. City, and Mr. Henry Thurs- 

 ton, New Milford, N. J., were nominated for membership. 



A motion by Dr. Barnhart to appropriate the sum of twenty 

 dollars ($20.00) as a compensation to the chairman of the field 

 committee in consideration of his work in connection with the 

 duties of his committee, was carried. 



The first number on the scientific program was a paper on 

 "The Genus Mycena,'" by Dr. William A. Murrill. 



The genus Mycena has been much neglected because the 

 species are very small fungi and of little economic value. The 

 characteristics of the genus are mostly negative. The margin 

 of the pileus is appressed, the gills are adnate or adnexed. The 

 cap is fleshy, thin, and does not revive. The stipe is carti- 



