Additional Species. 
165 
283. Uncinula clintonii, Peck. 
On Tilia Americana , L. Racine. Neither rare 
nor scarce. 
284. Uncinula macrospora, Peck. 
On TJlmus Americana,, L. Racine. Not common, 
Perisporiace^:. 
285. Asterina gaultheri^e, Curtis. 
On Gaultheria procumbens , L. Three Lakes. 
Abundant. 
286. Asterina rubicola, E. & E. 
On Rubies strigosus , Michx. Racine. Sometimes 
abundant. 
287. Capnodium salicinum, Mont. 
The conidial stage, Furnago vagcins , Pers.,on Salix . 
Racine. 
288. Dimerosporium pulchrum, Sacc. 
The conidial stage, Sarcinella heterospora, Sacc., on 
Cornus paniculata , L’Her, and C. stolonifera , 
Michx. Racine. Not rare. 
289. L^estadia bidwellii, (Ellis) Viala & Ravaz. 
The pycnidia, Phyllosticta labruscce , Thum., on 
VUis cordifolia , Michx. Racine. 
Phacidiace^e. 
290. Pseudopeziza repanda, (Fr.) Karst. (Phacidium 
autumnale , Fckl.) 
On Galium trifidum , L. Racine. Not rare. 
291. Rhytisma acerinum, Fr. 
On Acer saccharmum , Wang., and very abundant 
on Acer dasycarpum , Ehrh., grown along the road¬ 
sides near Racine. Specimens kept exposed to 
the weather matured in June. 
