918 Wisconsin Academy of Sciences, Arts, and Letters. 
INDEX TO HOSTS 
ABIES BALSAMEA 
Melampsorella cerastii, 913 
Peridermium balsameum, 916 
Pucciniastrum pustulatum, 914 
ACALYPHA VIRGINICA 
Cercospora acalyphae, 892 
Peronospora euphorbiae, 852 
ACER NEGUNDO 
Cylindrosporium negundinis, 883 
Gloeosporium apocrytum, 881 
Phyllosticta negundinis, 866 
ACER RUBRUM 
Phleospora aeeris, 878 
Phyllosticta minima, 866 
Rhytisma aeerinum, 863 
Uncinula circinata, 856 
ACER SACCHARINUM 
Rhytisma aeerinum, 863 
Uncinula circinata, 856 
ACER SACCHARUM 
Cylindrosporium saccharinum, 883 
Gloeosporium saccharinum, 881 
Phyllactinia corylea, 859 
Phyllosticta minima, 866 
Rhytisma aeerinum, 863 
-punctatum,., 863 
Septoria saceharina, 873 
Uncinula circinata, 856 
ACER SPICATUM 
Phyllosticta minima, 866 
Rhytisma aeerinum, 863 
Rhytisma punctatum, 863 
ACNIDA TUBERCULATA 
Albugo bliti, 849 
