Alismacene. 

 ALISMA, L. 



Phintago, L. 

 SAGITTARIA, L. 



variabilis, Engleni. 



var. obtiisa. 



var. diversifolla. 



var. (?) gracilis Engelin. 



Naiadaceae. 

 Put A M OG ETON, Ton ri?. 



iniplifoliiis, Tucker. 

 Zizii, Men, Roch. 



[>nsillus, L. var. 



teniussinins 

 Koch 



Cyperaceae. 



CYPERUS, Toiirn. 



(liandrus, Torr. 



strigosus, L. 



ovnlaris, Torr. 

 DULICHIUM, Pers. 



spathaceiitii, Pers. 

 ELEOCHARIS, S. Br. 



ovata' R. Br. 



paliistris, R. Fir. 

 SCIRPUS, Tourn. 



pungens, Valil. 



iacnstris, L. 



atrovirens, Muhl. 



polvphvlhis, Vahl. 

 ERIOPHORUM, L. 



V'irginicnni, L. 



polystaclivon, L. 

 RIIYNCHOSPORA, Vahl. 



alba, Vahl, 



glomerata, Vahl. 

 CARP]X, Ruppius. 



paiicitiora, LiglUf. 



intuniescens, Riidge. 



liipulina, Muhl. 



ntriculata, Boott, 



hystricina, Muhl. 



sqnarrosa, L. 



riparia, W. Curtis. 



torta, Boott. 



crinita, Lam. 



gracillinia, Schwein. 



laxiflora, Lam. 



var. latitblia, Boott. 



var. patulifolia, Carey. 



var. styloHexa, Boott. 



tetanica, Schkuhr. 



Pennsylvanica, Lam. 



rosea, Schkuhr. 



cephalophora, Muhl. 



bromoides, Schkuhr. 



stramiuea, Willd. 



Some Notes on Entomophthore.e. 

 STER, Wooster. 



By F. M. Web- 



The lack of field observers in this interesting field of 

 research was pointed out, and the following species 

 mentioned as having been observed at various times 

 though not especially studied in connection with their 

 several hosts. 



Empusa muscce Cohn., or what the reader took to 

 be that species, had been observed in several localities 

 Muscidae affecting on trees where they had congregated, 

 and also several years ago, in Indiana, an attack of 

 this sort was observed, this time the host being a 

 species of Oscinidae, specimens of which were after- 

 wards reared from maggots affecting young growing 

 wheat. 



Empusa aulicce Reich, in the autumn of 1892, had 



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