958 Wisconsin Academy of Sciences, Arts, and Letters. 
POLYGONUM AVICULARE 
Cercospora aviculdris, 891 
Erysiphe polygoni, 857 
Ramularia rufomaculans, 886 
Uromyces polygoni, 901 
POLYGONUM CILINODE 
Ramularia rufomaculans, 886 
Septoria polygonorum, 871 
POLYGONUM CONVOLVULUS 
Puccinia polygoni-amphibii, 907 
Septoria polygonorum, 871 
POLYGONUM ERECTUM 
Cercospora avicularis, 891 
Uromyces polygoni, 901 
POLYGONUM HYDROPIPER 
Cercospora hydropiperis, 891 
Septoria polygonorum, 871 
POLYGONUM HYDROPIPEROIDES 
Puccinia polygoni-amphibii, 807 
POLYGONUM MUHLENBERGII 
Ramularia rufomaculans, 886 
POLYGONUM ORIENT ALE 
Septoria polygonorum, 871 
POLYGONUM PENNSYLVANICUM 
Ustilago utriculosa, 897 
POLYGONUM SAGITTATUM 
Sphacelotheca hydropiperis, 897 
POLYGONUM SCANDENS 
‘ Peronospora polygoni, 851 
POLYGONUM VIRGINIANUM 
Puccinia polygoni-amphibii, 907 
POLYGONUM 
Septoria polygonorum, 871 
POLYMNIA CANADENSIS 
Aecidium compesitarum, 916 
Septoria polymniae, 877 
