NEWS AND NOTES 



Dr. E. J. Durand, instructor in botany in Cornell University, 

 spent the last two weeks of August at the Garden, consulting the 

 collections of fleshy discomycetes in preparation of manuscript 

 for " North American Flora." 



Miss M. F. Barrett, instructor in the State Normal School, 

 Montclair, N. J., was in residence at the Garden during the month 

 of July, preparing a monograph of the North American species 

 of gelatinous fungi. 



A temporary fellowship has been established at Cornell Uni- 

 versity by the Niagara Sprayer Company to investigate the value 

 of commercial lime-sulfur mixtures as fungicides. 



The subject of " Variation of Fungi due to Environment" is 

 treated by F. L. Stevens and J. G. Hall in the Botanical Gazette 

 for July, 1909. The effect of the following factors on the 

 growth of different species of fungi is discussed: density of 

 colonies; density of mycelium; chemical relations; light rela- 

 tions; and variations due to unknown factors. The subject of 

 variation in spore measurement under different conditions is dis- 

 cussed at some length. The article is illustrated with thirty- 

 seven figures. 



A revision of the genus Sphaerosoma by Casimir Rouppert 

 appeared in the Bulletin de V Academie des Sciences de Cracovie 

 for June, 1909. Four species of this genus are recorded for the 

 world. The single North American species, Sphaerosoma echin- 

 ulatum Seaver, is also recorded for Europe. 



The Minnesota Botanical Studies for June, 1909, contains a 

 monograph of the Pezizales, Phacidiales, and Tuberales of Min- 

 nesota by Daisy S. Hone, who for several years past has been 



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