958 Wisconsin Academy of Sciences, Arts, and Letters. 



POLYGONUM AVICULARE 



Cercospora avicularis, 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 hydropipcris, 891 

 Septoria polygonorum, 871 



POLYGONUM HYDROPIPEROIDES 

 Puccinia polygoni-amphibii, 907 



POLYGONUM MUHLENBERGII 



Ramularia rufomaculans, 886 



POLYGONUM ORIENTALE 



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 compositarum, 916 

 Septoria polymniae, 877 



