52 



Cincinnati Society of Natural History. 



[Fungus on Lactuca]. By Freda Detmers. Ohio Agric. Exp. 

 Sta., Bull, No. 44, Sept. 1892, pp. 145-146, figs. 3. 



Gives general account of Septoria consimilis attacking cultivated 

 lettuce. 



North American Helicospora?. By A. P. Morgan. Jour. Cin. 

 Soc. Nat. Hist., Vol. XV, Apr. 1892, pp. 39-52, figs. 21. 



Describes species of Helicomyces , ffelicoma, Helicoon n. gen., Ever- 

 hariia, and Troposporium, many of them occurring in the Miami 

 Valley, Ohio. 



1893. 



The Myxomycetes of the Miami Valley, Ohio. By A. P. Morgan. 

 Second paper. Jour. Cin. Soc. Nat. Hist., Vol. XVI, [May] 1893, 

 PP- !3-36, pi. 1. 



Describes species belonging to genera Perichwna, Ophioiheca, 

 Lachnobolns, Arcyria, Heterotrichia, Hemarcyria, Calonema n. gen., 

 Trichia and Oligonema. 



The histology of the stem of Pontederia cordata, L. By E. M. 

 Wilcox. Jour. Cin. Soc. Nat. Hist., Vol. XVI, Oct. 1893, PP- IO! " 

 104, figs. 4. 



Gives some of the features in the histology of the plant men- 

 tioned. 



1894. 



The Myxomycetes of the Miami Valley, Ohio. Third Paper. 

 By A. P. Morgan. Jour. Cin. Soc. Nat. Hist., Vol. XVI, Jan. 

 1894, pp. 127-156, pi. 2. 



Describes species belonging to the genera Clastoderma, Lampro- 

 derma, Comatricha, Stemonitis, Enerthenema, Diachcea, Didy?7iium, 

 Spttmaria, Diderma and Lepidoderma, many of which are found in 

 Ohio. 



New Phenogams for the Ohio Flora. By Wm. C. Werner. 

 Jour. Cin. Soc. Nat. Hist., Vol. XVI, Jan. 1894, pp. 170-172. 

 A list of newly discovered plants of Ohio. 



Observations on some Entomophthoreas. By F. M. Webster. 

 Jour. Cin. Soc. Nat. Hist., Vol. XVI, Jan. 1894, pp. 173-177. 



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