BOTANY. 349 



Plasmopara haestedii (Farl.) Berl. & DeTon. [Peronospora halstedii Forlaw). 

 On Erechtites hieracifolia, Columbus, W. A. Kellerman. 



Peasmopara pygmaea ( Ung.) Schoeter. ( Peronospora pygmaea Ung.) 

 On Anemone pennsylvanica, Columbus, W.'A. Kellerman. 



Peasmopara viTicoea ( B. & C.) Berl. & DeToni. ( Peronospora viticola DeBy. ; 

 Botytis viticola B. & C.) 



On cultivated grapes throughout the state. On native species of Vitis also. 



114. BREMIA Regel. [Peronospora). 



Bremia eactucae Regel. {Peronospora gangliformis (Berk.) DeToni.) 

 On Lettuce (cultivated), Columbus and doubtless over the whole state. 



XIII. ENTOMOPHTHORACE.E. 



115. EMPUSA Cohn. 



Empusa aphidis Hoffm. 



Columbus, and doubtless in all green-houses, on Aphidse. 



Empusa grylei ( Fres.) Thax. (E. auliccB Reich.) 



On Spilosoma virginica Fabr., Wooster, F. M. Webster. 



Empusa mtjscae Cohn. 



On houseflies, Columbus and doubtless over whole state. 



Empusa sph^erosperma (Fres.) Thax. 



On Phytonomus punctatus, Ashtabula, F. M. Webster. 



XIV. MUCORACE^E. 



116. PILOBOLUS Tode. 



PlLOBOLUS CHRYSTAEEINUS (Wigg.) Tode. 



On Horsedung, Fairfield Co., W. A. Kellerman. 



117. MUCOR, Mich. 



MUCOR MUCEDO L,. 



Common everywhere. 



