S96 ^Yisconsill Academy of Sciences, Arts, and Letters. 



HE.MIBAS1DII 



USTILAGIXALES 



USTiLAGINACEAE 



USTILAGO OSMUNDAE Pk. 

 On Osmunda regalis 



USTILAGO ZEAE (Beckm.) Unger 

 On Euchlaena luxurians 

 Zea mays 



USTILAGO RABENHORSTIANA Kuehn 

 On Digltaria sanguinale 



USTILAGO NEGLECTA Niessl 

 On Setaria glauca 



USTILAGO STRIAEFORMIS (West.) Niessl 

 On Phleum pratense 

 Elymus canadensis 



USTILAGO CALAMAGROSTIDIS (Fckl.) Clinton 

 On Calamagrostis canadensis 



USTILAGO AVENAE (Pers.) Jensen 



On Avena sativa (cult.) 

 USTILAGO LEVIS (Kell. & Sw.) Magn. 



On Avena sativa (cult.) 



USTILAGO PERENNANS Rostr. 

 On Arrhenatherum elatius 



USTILAGO LONGISSIMA (Sow.) Tul. 

 On Glycerin grandis 



-var. MACROSPORA Davis 



On Glyceria septentrionalis 



USTILAGO SPERMOPHORA B. & C. 

 On Eragrostis hypnoides 

 megastachya 



USTILAGO MACROSPORA Desm. 

 On Agropyron repens 



