323 



Genus Bulgaru. 

 Bulgaria inquinans. 



Genus Nidularia. 

 Nidularia campanulata. 



Genus Racodium. 

 Racodium cellare. 



Genus Eurotium. 

 Eurotium herbariorum. 



Genus Aspergillus. 

 Aspergillus candidus, roseus, glaucus. 



Genus Fusarium. 

 Fusarium trenaelloides. 



Mr. C. J. Sprague exhibited a specimen of the fruit of 

 the Button wood, Platanus occidentalis, from a tree in this 

 vicinity. The Buttonwood is now in process of fructifica- 

 tion, and there are signs of regeneration in this tree, which 

 has been for some years in an unhealthy condition. 



The Corresponding Secretary announced the reception 

 of the following letters, viz : from the Geological Society, 

 Dublin, November 14, 1855 ; Die Konigliche Akademie der 

 Wissenschaften zu Berlin, October 1, 1855 ; the Smithso- 

 nian Institution, October 12,1855; the American Philo- 

 sophical Society, January 15, 1856 ; the Boston Athenaeum, 

 November 14, 1855; the Linnsean Society, London, De- 

 cember 12, 1855, acknowledging the receipt of the Society's 

 publications. Die K. Preussische Akademie der Wissen- 

 schaften zu Berlin, October 1, 1855; Commissioner of In- 

 dian Affairs, January 14, 1856 ; Die K. Akademie der 

 Wissenschaften zu Wien, August 1, 1855, presenting vari- 

 ous publications. R. D. Mussey, Jr., of Cincinnati, January 

 23, 1856, accepting membership of the Society. George 

 C. Brown, Mount Holly, N. J., February 5, 1856, offering 

 to present objects of natural history. 



