Davis—Parasitic Fungi of Wisconsin . 89 
is merely using the prior name with a prefix. No 
cultures have been made, to my knowledge, with 
Wisconsin material. 
255. Ustilago striaeformi^; (West.) Niessl. 
(Tillitia striaeformis, West. (?) Preliminary 
List.) On Poa pratensis, L. Racine. Poa de- 
bilis, Torr. Somers. Fresh spores gathered in 
May germinated readily in water. 
256. Entyloma compositarum, Farl. 
On Fj rig cron Philadelphians, L. Racine. 
268. Exobasiiuttm vaccini, (Feld.) Wor. 
On Arctostaphylos Uva-ursi, Spreng, and Cassan¬ 
dra calyculata, Don. Three Lakes. 
270. Synchytrium peuriahniteattjm, (B. & C.) Farlow. 
Sanicula gregaria, Bicknell seems to 1 he the host 
of this species about Racine. 
272. Peronospora ficariae, Tul. 
On Ranunculus Pcnnsylvanieus , L. f. Genoa 
Junction and Vilas county. 
On Ranuncidus septentrionalis, Poir. Somers. 
282. SpH AERO THECA MORS~UVAE, (Schw.) (B. & C.) 
On Ribes cynosbati, L. Tabor. 
301. Cercospora gaijx, Ellis & Holway. 
On Galium Aparine, L. Vilas county. 
314. Cercospora sagittariae, Ellis & Kell. 
On SagiUaria heterophylla, Pursh. Racine. 
Develops rarely and scantily on this host when 
abundant on 8. variabilis. Engelrn, growing in the 
same place. 
330. Fusarium uredinum, E. & E. 
On Salix longifolia , Muhl. Racine. The states 
rnent in the Supplementary List that the willow is 
the host of this fungus is probably not warranted 
although it occurs upon leaves upon which no sori 
of the Melampsora are to be seen,. 
