22 



S. heliaiithi, E. & K., on Heliaithus divancatus...£^r7e. 



S. humili, West, on Humulus lupulus " 



S. lobeliae, Pk., on Lobelia spicata, Erie, Adams. 



S. malvicola, E. & M. Malva rotundifolia 



Mon tgo mery. 



S. oenotherae, West., on Oenothera biennis, 



Erie, Franklin. 



S. osmorrhizae Pk. on Osmorrhiza brevistylis, 



Erie. 



S. polygonorum, Desm., on Polygonum penn- 



S3'lvanicuni Franklin. 



Polygonum orientale " 



on Poh'gonum persicaria '* 



on Polygonum sp. ind Highland. 



on Poh'gonum sp. ind Montgomery. 



S. podophyllina, Pk. on Podophyllum pel- 



tatum Franklin. 



S. rubi, West., on Rubus sp. ind Highland. 



on Rubus sp. ind Erie. 



S. trillii Pk. onTrillium grandiflorum " 



S. sp. ind. on Polygonatum biflorum Highland. 



S. sp. ind. on Sanicula Adams, " 



MELANCONIACEAE. 



Alarsonia toxicodendri (E. & E.) Sacc, on 



Rhus radicans Franklin. 



Gloeosporium musarum C. &. M. on Alusa 



paradisaica " 



MUCEDINAC.^. 



Ramularia armoraceae, Fk., on Nasturtium 



armoracia, Highland. 



R. arvensis Sacc. on Potentilla norvegica, Franklin. 



R. heraclei Sacc. on Heracleum lanatum, " 



