S56 Wisconsin Academy of Sciences, Arts, and Letters. 



UNCINULA CIRCIXATA Cke. & Pk. 

 Oq Acer Saccharum 



saccharin an: 

 rubrum 



UNCINULA MACROSPORA Pk. 

 On Vlmus americana 



UNCINULA CLINTONII Pk. 



On Tilia americana 



MICROSPHAERA ALN] (Wallr.) Wint. 

 On Corylus americana 



ro strata 

 Carpinus caroliniana 

 Betula pumila glandulffera 

 Fagus grandifolia 

 Quercus alba 



macrocarpa 



rubra 



ellipsoidalis 

 Lathyrus palustris 



venosus 



ochroleucus 

 Ilex verticillata 

 Nemopanthus mucronata 

 Ceanothus americanus 

 Cornus alternifolia 

 Syringa vulgaris (cult.) 

 CephalanthusCiccidentalis 

 Lonicera tatarica (cult.) 



sullirantii 



dioica 

 Viburnum aeerifolium 



pubescens 



Lentago 



var. EXTENSA (C. & P.) Salm. 



On Quercus rubra 



var. VACCINII (Sehw.) Salm- 



on Kalmia polifolia 

 Epigaea repens 

 Oaylussacia baccata 

 Yaceinium pennsylvanicum 

 canadense 



