486 PROCEEDINGS : BOSTON SOCIETY NATURAL HISTORY. 
List of Excluded Species . 1 
Burrillia globulifera Davis, on Glyceria fluitans, = a sclerotium 
of some fungus. 
Cerebella sps., on various grasses, = Ilyphomycetes. 
JJoassansia Sintensii Bres., on Cedro matchos. Probably insect 
work. 
Boassansia Zizaniae Davis, on Zizania aquatica , = a sclerotium 
of some fungus. 
Entyloma Alsines Hals., on Stellavia media. Ho spores found. 
Grapliiola sps., on species of palms. Systematic position unde¬ 
termined. 
Sorosporium Borrichiae Ell. & Ev., on Borrichia argentea, = 
Sterigmatocystis. 
Sporop>liaga cyanea (Ces.) Hark. (Ustilago cyanea) = Ckytri- 
dineae ? 
Tilletia ? Sphagni-like fungus, on Ricciocarpus natans. Nature 
undetermined. 
Ustilaginoidea Oryzae (Patt.) Bref. = Ascomyeete. 
Ustilago Arenariae Ell. & Ev., on Arenaria congesta , = extrane¬ 
ous spores. 
Ustilago Ficuum Reich., on market figs, = Sterigmatocystis. 
Ustilago Fischeri Pass., on Zea Mays , = Sterigmatocystis. 
Ustilago flavo-nigrescens B. & C., on Scleria sp., = sclerotium 
apparently of Ustilaginoidea. 
Ustilago GyneriUs ize,on Gynerium argenteum,= Gymnosporium. 
Ustilago Osmundae Pk., on Osrnunda regalis , = Hyphomycete ? 
Ustilago Phoenicis Cda., on market dates, = Sterigmatocystis. 
Ustilago viridis Ell.tfc Ev., on Setaria sp., = sclerotium apparently 
of Ustilaginoidea. 
1 See preliminary paper in Journ. Myc., 8 : 129-180. 1902, 
