918 Wisconsin Academy of Sciences, Arts, and Letters. 



INDEX TO HOSTS 



ABIES BALSAMEA 



Melainpsorella cerastii. 913 

 Periderniium balsanieum, 916 

 Pucciniastruru pustulatum, 914 



ACALYPHA VIRGINICA 



Cercospora acalyphae, 892 

 Peronospora euphorbiae, 852 



ACER NEGUNDO 



Cylindrospcrium negundinis, 883 

 Gloeosporium apocrytum, 881 

 Phyllosticta negundinis, 866 



ACER RUBRUM 



Phlcospora aceris, 878 

 Phyllosticta minima, 866 

 Rhytisma acerinum, 863 

 Uncinula circinata, 856 



ACER SACCHARINUM 



Rhytisma acerinum, 863 

 Uncinula circinata. 856 



ACER SACCHARUM 



Cylindrosporium saccharinum, 883 

 Gloeosporium saccharinum, 881 

 Phyllactinia corylea, 859 

 Phyllosticta minima, S66 

 Rhytisma acerinum, 863 



punctatum. 863 



Septoria saccharina, 873 

 Uncinula circinata, 856 



ACER SPICATUM 



Phyllosticta minima, 866 

 Rhytisma acerinum, 863 

 Rhytisma punctatum, 863 



ACNIDA TUBERCULATA 

 Albugo bliti, 849 



