896 Wisconsin Academy of Sciences, Arts, and Letters. 
BEMIBASIDII 
USTILAGINALES 
USTILAGINACEAE 
XJSTILAGO OSMUNDAE Pk. 
On Gsmunda regailis 
USTILAGO ZEAE (Beckm.) Unger 
On Euchlaena luxurians 
Zea mays 
USTILAGO RABEMHORSTIANA Kuehn 
On Digitaria 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 Arena sativa (cult.) 
USTILAGO LEVIS (Kell. & Sw.) Magn. 
On Arena satira (cult.) 
USTILAGO PERENNANS Rostr. 
On Arrhenatherum elatius 
USTILAGO LONGISSIMA (Sow.) Tul. 
On Glyceria grandis 
-var. MACROSPORA Davis 
On Glyceria septentrionalis 
USTILAGO SPERMOPHORA B. & C. 
On Eragrostis hypnoides 
megastachya 
USTILAGO MACROSPORA Desm. 
On Agropyron repens 
