U2(j Wisconsin Academy of Sciences, Arts, and Letters. 



ASTER " ' 



Coleosporium solidaginis, 915 

 Moiitaguella heliopsidis, 862 

 Puccinia asteris, 910 

 Puccinia caricis-asteris,906 

 Ramularia asteris, 888 

 Khytisnia asteris, 864 

 Septoria atropurpurea 



ASTRAGALUS CANADENSIS 



Erysiphe polygoni, 857 



ASTRAGALUS 



Ramularia desmodii, 886 



ATRIPLEX PATULA 



Cercospora dubia, 891 



AVENA SATIVA 



Puccinia corouata, 904 

 Puccinia graminis, 905 

 Ustilago avenae, 896 

 Ustilago levis, 896 



BARBAREA 



Ramularia harbareae, 886 



BERBERIS VULGARIS 



Gloeosporium berberidis, 880 

 Puccinia graminis, 90o 



BETA VULGARIS 



Cercospora betaecola, S91 



BETULA ALBA 



Gloeosporium betularum, 880 

 Phyllactinia corylea, 858. 

 Septoria betulae, 870 



BETULA NIGRA 



Gloeosporium betularum, 880 



BETULA PUMILA 



Cylindrosporium betulae, 882 

 Melampsoridium betulinum, 913 

 Microsphaera alni, 856 

 Septoria betulae, 870 



