21 



Peronospora parasitica, (P.) Lev., on Thelypo- 



dium pinnatifidum Ross. 



perisporiaceap:. 



Sphaerotheca castagnei. Lev., oti Bidens fron- 



dosa Franklin. 



on Taraxacum officinalis " 



^rysiphe cichoracearum, DC, on Hydrophyl- 



lum macrophyllum " 



on Ambrosia trifida " 



on Ambrosia artemisiaefolia " 



on Aster sp. ind " 



E. communis (Wallr) on Lupinus perennis Erie. 



Uncinula salicis D. C. (Wint) on Salix sp. ind. Franklin 



SPHAERIOIDACE^. 



Phyllosticta ampelopsidis, E. & M., on Ampel- 



opsis quinquefolia, Erie. 



P. cruenta (Fr) on Smilacina, stellata " 



P. labruscae, Thum., on Vitis labruscae, Highland. 



P. podophylli, (C.) Wint on Podophyllum pel- 



tatum, " 



P. sphaeropsoidea, E. & E., on Aesculus sp.. " 



P. sp. ind. on Barbarea vulgaris Ottawa. 



Phoma sp. on Fragaria [cultivated] Erie. 



Cincinobolis cesatii, De Barj'. with Erysiphe 

 communis (Walle.) on Lupinus peren- 

 nis, " 



Sphaeropsis malorum, Pk. on Pyrus nialus. Franklin. 



Septoria argimoniae-eupatoriae, Bon. & Rouss. 



on Agrimonia eupatoria, Erie. 



S. atro-purpurea, Pk. on Aster cordifolius....Fra73/r///7. 



S. brunellae, E. & H. on Brunella \u\garis... Highland. 



S. conspicua E. & M. on Steironema ciliatum Erie. 



S. convolvuli, Desm. on Convolvulus sepium Franklin. 



S. erigerontis, Pk., on Erigeron annuus " 



