Preliminarij List of Wisconsin Parasitic Fungi. 133 



Gymnosporangium sabinae (Dicks.), var globosum Farlow {G. fus- 

 cuin, D C, var. globosum Farlow). 

 Teleutospores on Juniperus virginiana L., common on certain trees 

 in May. Madison; River Falls, King. 

 The galls of this species are less succulent than those of the last, which 

 are commonly known as "Cedar Apples." Cornu records similar galls as 

 caused by it in France (Bull. Soc. Bot. de Fr., v. 25, p. 123). 



The common European cluster-cup of the pear (Roestelia eancellata 

 Rebent.) is held to be a state of this species, but it does not occur with us, 

 if, indeed, it is found in this country. 



209. Melampsora salicis capreae (Pers.) (M. salicina Lev.). 



Uredo and teleutospores common on spec:es of Salix, the latter de- 

 veloping after the leaves have fallen, Madison; La Crosse, 

 Pammel. 



210. Melampsora populina (Jacq.). 



Uredo very common in the fall, on leaves of Popultis monilifera 

 Ait., P. tremuloides Michx., P. grandidentata Michx. and P. hal- 

 samifera L., vai*. eandicans Gray. Teleutospores on fading or 

 fallen leaves of the same species. Madison. 



211. COLEOSPORIUM SONCHI ARVENSis (Pers.) (C. compositarum Lev., C. 



solidaginis Thuem.). 



Uredo and teleutospores common on species of Solidago and Aster, 



ia summer and fall, Madison; Dells of the Wisconsio, La Crosse, 



etc., Pammel. 



ISOLATED UREDO FORMS. 



212. Uredo miniata Pers. {Coleosporium miniatum, Pers.). 



Very common on petioles and stems of Rosa parviflora Ehr., in 

 spring. Madison; La Crosse, Pammel. 

 Precedes Phragmidium speciosum Fr., to which some of its forms bear a 

 considerable resemblance in habit. 



213. Uredo agrimoniae eupatoriae (D C.) {Coleosporium ochraceum 

 Bonord.D. 



Common, on leaves of Agrimonia eupatoria L. Madison. 



214. Uredo iridis Duby. iTrichobasis iridicola Pkl). 



On Iris versicolor L., in fall. Madison. 



215. Uredo pyrolae (Gmel.). 



On Pyrola ellipiica Nutt, in spring. Madison. 



