Davis—Parasitic Fungi in Wisconsin — II. 107 
Gymnosporangium corniculans Kern. Galls on Juniperus 
horizontalis on which were some dried teliospores agreeing with 
those of this species were collected on the lake Michigan beach 
east of Sturgeon Bay in June. 
Hyalopsora aspidiotus Pk. Uredinia on Phegopteris Dryop- 
teris. Detroit Harbor. 
Melampsora farlowii (Arth.) n. comb. (Necium farlowii Arth.) 
On young twigs and leaves of Tsuga canadensis. Detroit Har¬ 
bor. 
Melampsora arctica Rostr. Aecia on leaves of Abies balsamea 
supposed to be of this species have been collected at Brule (E. 
M. Gilbert) Fish Creek and Ellison Bay. The reference to this 
species is based on the inoculation experiments of Fraser (Myco- 
logia 4:187, 5:238). The uredina and telia have not yet been 
recognized in Wisconsin. 
Aecidium xanthoxyli Pk. On Zanthoxylum americanum. 
Mazomanie (R. A. Harper & G. M. Reed) Glen Haven. 
Aecidium proserpinacae B. & C. On Proserpinaca palustris. 
Detroit Harbor. Abundant on the marshy border of a pond on 
Washington Island. 
