278 Wisconsin Academy of Sciences, Arts, and Letters. 
Marssonina pote^itillae (Desm.) Magn. On Fragaria virginiana. 
Crandon and Little Suamico. Of the latter collection it was noted 
—Immaculate, spornles 17-24x3%-6/x. On Potentilla anserina. 
Oconto. 
Septocylindrium concomitans (Ell. & Holw.) Hals. On Bidens 
vulgata puberula. Wauzeka. 
Bamularia uredinis (Voss) Sacc. On Salix amygdaloides. 
Oconto. 
Bamularia fraxinea Davis. On Fraxinus americana (?) Gays 
Mills and Blue River. This parasite has been seen only in river 
bottom lands. 
Bamularia effusa Pk. On Gaylussacia haccata. Ridgeway. Ap¬ 
parently causing defoliation. 
Bamularia dispar Davis. A collection on Eupatorium urticae- 
folium from Crandon is referred to this species. 
In a specimen on Solidago serotina from Gays Mills the conidio- 
phores are mostly subulate, 10-20x3ja, the conidia fusiform to cylin¬ 
drical, 7-36x2/x. This was referred to Bamularia virgaureae 
Thuem. 
Scolecotrichum graminis Fkl. On Dactylis glomerata. Madi¬ 
son. (Bensaude, McFarland & Davis.) 
Cercospora diffusa Ell. & Evht. On Physalis heterophylla. 
Oconto. 
Cercospora antipus Ell. & Holw. On Lonicera Sullivantii. Wer- 
ley. The brown, tufted conidiophores are 40-70x3jut. 
Ustilago striaeformis, (West.) Niessl. On Agrostis alha. Madi¬ 
son. (W. H. & J. J. Davis) Collected also on Poa pratensis at 
Madison by W. H. Davis. 
Urocystis agropyri (Preuss) Schroet. On Agrostis alba. Madi¬ 
son. (W. H. Davis) 
Entyloma ranunculi (Bon.) Schroet. Conidiophorous material 
on Thalictrum dasycarpum collected at Oconto September 8, 1921 
