Davis—Notes on Parasitic Fungi in Wisconsin — VII. 411 
Uromyces acuminatus polemonii (Pk.) 
The rust on Trifolium hybridum referred to TJromyces trifolii- 
repentis (Cast.) Liro is found to be physiologically and to some 
extent morphologically distinct by W. H. Davis. He therefore 
separates it under the name Uromyces hybrid! W. H. Davis 
(Trans. Iowa Acad. Sci. 24: 472). 
Puccinia polygalae Paschke (P. pyrolae Cke.). 
On Poly gala paucifolia. Casco and Tomahawk. 
Coleosporium ribicola (C. & E.) Arth. 
On Ribes cynosbati. Shell Lake and Hayward (C. E. Allen). 
Price County (P. H. Denniston and W. N. Steil). Uredinia and 
telia of this Pocky Mountain rust were collected in the course of 
the white pine rust survey in 1918. 
Herbarium of the University of Wisconsin, 
Madison, Wisconsin, March, 1919 
Plate XXX. Vertical section of acervulus of G-loeosporium balsameae 
n. sp. Drawn by Charles Drechsler with the aid of camera lucida. 
Magnified about 350 diameters. 
