962 Wisconsin Academy of Scii nccs, Arts, and Letters. 



PYCNANTHEMUM VIRGLMIANUM 

 Puccinia mentbae, 909 



PYROLA AMERICANA 



Pucciniastrum pyrolae, 914 

 Ovularia pyrolae, 884 



PYROLA ELLIPTICA 



Melampsoropsis pyrolae, 913 

 Ovularia pyrolae, 884 

 Pucciniastrum pyrolae, 914 



PYROLA SECUNDA 



Melampsoropsis pyrolae, 913 

 Pucciniastrum pyrolae, 914 



PYRUS ARBUTIFOLIA 

 Cercospora pyri, 892 



PYRUS CORONARIA 



Cercosporella pyrina, 888 

 Fusicladium dendriticum, 889 

 Gymnosporangium juniperi-virginianae, 912 

 Marssonina coronaria, 881 

 Phyllosticta pyrina, S66 

 Podosphaera oxyacanthae, 854 



PYRUS IOENSIS 



Gymnosporangium juniperi-virginianae, 912 



PYRUS MALUS 



Fusicladium dentriticum, 889 

 Gloeosporium fructigenum. 880 

 Gymnosporangium juniperi-virginianae, 912 

 Phyllosticta pyrina, 8G0 

 Podosphaera leucotricha, 854 



PYRUS MELANOCARPA 

 Cercospora pyri, 892 

 Gymnosporangium davisii, 911 



PYRUS PRUNIFOLIA 



Fusicladium dendriticum, SS9 



PYRUS AMERICANA 



Entomosporium maculatum domesticum, 879 

 Gymnosporangium cornutum, 911 



