RHYTISMA BLAKEI M. A. Curtis in Blake Herb. On Rubus 

 hispidus, Kennebunk, 5-1857, (Blake). There is some doubt as 

 to whether the fungus to which this name has been applied is 

 really a Rhytisma or not. 



RHYTISMA DECOLORANS Fr. On Andromeda ligustrina, Cum- 

 berland, 9-1858, (Blake). 



RHYTISMA ILICIS-CANADENSIS Schw. On Nemopanthes 

 fasicularis, Orono, 1893, (Harvey). On Nemopanthes fasicu- 

 laris, Mt. Katahdin, 9-1898, (Merrill). 



RHYTISMA PRINI Schw. On Ilex verticellata, Wells, 8-1859, 

 (Blake). On Ilex verticellata, Orono, 10-1898, (Ricker). 



RHYTISMA PUNCTATUM (Pers.) Fr. On Acer spicatum, Kat- 

 ahdin Iron Works, 11-1898, (Ricker). 



RHYTISMA SALICINUM (Pers.) Fr. On Salix herbacea, Mt. 

 Katahdin, 9-1898, (Merrill). On Salix cordata, Bradley, 10- 



1899, (Ricker). 



RHYTISMA SOLIDAGINIS Schw. On Solidago lanceolata, 

 Cumberland, (Blake). On Solidago lanceolata, Auburn, (Mer- 

 rill). On Solidago lanceolate, Orono, (Harvey). 



RHYTISMA VACCINII Fr. On Vaccinium, Wells, 1859, 

 (Blake). 



FAMILY PATELLAKIACE^E. 



BLITRYDIUM CUCURBITARIA (Cooke.) Sacc. On Ulmus 

 americana, Orland, 7-1897, (Merrill). Det. Ell. 



DURELLA COMPRESSA (Pers.) Tul. On Fagus ferruginea, 

 Cumberland, 12-1857, (Blake). 



KARSCHIA LIGNYOTA (Fr.) Sacc. On Ulmus americana, 

 Orono, 10-1897, (Harvey). 



LECANIDION FUSCO-ATRUM Rehm. On Pinus, Wells, (Blake). 



TRYBLIDIOPSIS PINASTRI (Pers.) Karst. On Pinus strobus, 

 Cumberland, 2-1858, (Blake). On Pinus silvestris, Orono, 10- 



1900, (Ricker). 



FAMILY GYMNOASCACM. 



EXOASCUS ALNI-INCANAE Kuhn. On Alnus incana, West- 

 brook, 7-1900, (Ricker). On Alnus incana, Orono, 10-1900, 

 (Ricker). 



FAMILY CALICIACE^E. 



CALICIOPSIS ELLISH Sacc. On Polyporujs, Cumberland,. 

 (Blake.) 



4 49 



