858 
Wisconsin Academy of Sciences, Arts, and Letters . 
ERYSIPHE CICHORACEARUM DC. 
On Parietaria pennsylvamica 
Phlox paniculata 
divaricata 
DrummondU 
Hydrophyllum virginianum 
Lappula virginiana 
Verbena urticaefolia 
TeuciMum canadense 
Scutellaria lateriflora 
galericulata 
parvula 
Plantago major 
Rugelii 
Eupatorium purpureum 
perfoliatum 
urticaefolium 
Solidago canadensis 
Aster divaricatus 
drummondii 
laerils 
lateriflorus 
puniceus 
umbeilatus 
Inula Helenium 
Ambrosia artemisiaefolia 
Xanthium sp. indet. 
HeWopsis scabra 
Helianthus strumosus 
Dahlia sp. indet. (cult.) 
Helenium autumnale 
Oirsium discolor 
FHYLLACTINIA CORYLEA (Pers.) Karst. 
On Carya sp. indet. 
Corylus americana 
Ostrya virginiana 
Carpinus caroliniana 
Betula alba papyrifera 
Alnus incana 
Fagus grandifolia 
Quercus sp. indet. 
Hamamelis virginiana 
Crataegus sp. indet. 
