MONILIALES 79 



Additions to Ramularia and Cercospora. Jour. 



Mycol. 4: 1-7. 1888. 



Atkinson. Some Cercosporae from Alabama. Journ. Elisha 

 Mitchell Sci. Soc. 8 : (1-35). 1892. 



Morgan. North American Helicosporae. Journ. Cincinnati 

 Soc. Nat. Hist. 15: 39-52. 



Two new genera of Hyphomycetes. Bot. Gaz. 17 : 



190-192. 1892. 



Thaxter. On certain new or peculiar North American Hypho- 

 mycetes. I. Bot. Gaz. 16 : 15-26 1891. 



Pettit. Studies in artificial Cultures of Entomogenous Fungi. 

 Bull. Cornell Univ. Agric. Exper. Sta. 97 : 339-378. PI. i-n. 



1895- 

 Pound and Clements. A Rearrangement of the North Ameri- 

 can Hyphomycetes. Minn. Bot. Studies, i: 644-673. 1896; 726- 

 738. 1897. 



The above papers are nearly all descriptive, giving more than 

 mere enumerations of species. No general work on the American 

 species of the order has yet appeared, and such a work is greatly 

 needed. 



