954 Wisconsin Academy of Sciences, Arts, and Letters . 
OXALIS STRICTA 
Microsphaera russellii, 857 
Phyllosticta oxalidis, 866 
Ustilago oxalidis, 897 
OXALIS 
Ramularia oxalidis, 886 
OXYBAPHUS NYCTAGINEUS 
Ascochyta oxybaphi, 868 
Cercospora oxybaphi, 891 
OXYPOLIS RXGIDIOR 
Septoria umbelliferarum, 874 
PANICUM CAPILLARE 
Puccinia emaculata, 903 
PANICUM DEPAUPERATUM 
Septoria graminum, 869 
PANICUM MILIACEUM 
Sorosporium syntherismae, 897 
PANICUM VIRGATUM 
Puccinia panici, 903 
PARIETARIA PENNSYLVANICA 
Erysiphe cichoracearum, 858 
Septoria parietariae, 871 
PARNASSIA CAROLXNIANA 
Erysiphe polygoni, 857 
PASTINACA SATIYA 
Cercospora apii pastinacae, 893 
PEDICULARXS CANADENSIS 
Puccinia clintonii, 910 
Synchytrium aureum, 848 
PEDICULARIS LANCEOLATA 
Sphaerotheca humuli fuliginea, 855 
PENTHORUM SEDOIDES 
Cercospora sedoides, 891 
