Davis — A Provisional List of Parasitic Fungi. 897 



USTILAGO TRITICI (Pers.) Rostr. 

 On. Trilllicum vulgare 



USTILAGO HORDEI (Pers.) Kell. & Sw. 

 On Hordeum vulgare 



USTILAGO NUDA (Jensen) Kell. & Sw. 

 On Hordeum vulgare 



USTILAGO OLIVACEA (DC.) Tul. 

 On Carex rostrata 



USTILAGO UTRICULOSA (Nees) Tul. 

 On Polygonum pennsylvanicum 



USTILAGO OXALIDIS Ell. & Tracy 

 On Oxalis stricta 



SPHACELOTHECA SORGHI (Lk.) Clinton 

 On Sorghum vulgare 



SPHACELOTHECA HYDROPIPERIS (Schum.) D By. 

 On Polygonum sagittatum 



CINTRACTIA CARICIS (Pers.) Magn. 

 On Carex spp. variii 



CINTRACTIA SUBINCLUSA (Koern.) Magn. 

 On Carex lanuginosa 

 lupulina 

 rostrata var. utrlculata 



CINTRACTIA JUNCI (Schw.) Trel. 

 On Juncus tenuis 



SCHIZONELLA MELANOGRAMMA (DC.) Schroet. 

 On Carex pennsylvanica 



SOROSPORIUM SYNTHERISMAE (Pk.) Farl. 

 On Panicum miliaceum (cult.) 

 Cenchrus car vim. anus 



