Davis — A Provisional List of Parasitic Fungi. 915 



UREDINOPSIS STRUTHIOPTERIDIS Stoermer. 

 On Onoclea Struthiopteris II, III. 



UREDINOPSIS OSMUNDAE Magn. 

 On Osmunda regalis II, III. 

 Claytoniana II. 

 cinnamomea II, III. 



CRONARTIUM COMPTONIAE Arth. 

 On Myrica asplenifolia II, IIL 



CRONARTIUM QUERCUS (Brondeau) Schroet. 

 On Quercus alba II. 

 velutina III. 



CRONARTIUM COMANDRAE Pk. 

 On Comandra umbellata II, 111. 



COLEOSPORIACEAE 



COLEOSPORIUM VIBURNI Arth. 

 On Viburnum Lentago II, III.- 



COLEOSPORIUM CAMPANULAE (Pers.) Ley. 

 On Campanula americana II. 



COLEOSPORIUM SOLIDAGINIS (Schw.) Thuem. 

 On Solidago spp. varii II, III. 

 Aster spp. varii II, III. 



ISOLATED FORMS 



UREDO SP. INDET. 



On Mimulus ringens 



CAEOMA ABIETIS-CANADENSIS Farl. 

 On Tsuga canadensis 



AECIDIUM SMILACINAE Schum. 

 On Smilacina racemosa 

 Polygonatum biflorum 

 commutatum 



AECIDIUM IRIDIS Gerard 

 On Iris versicolor 



AECIDIUM THALICTRI Grev. 

 On ThaVictrum dioicum 

 dasycarpum 



