CERCOSPORA DIERVILL.E E. & E. sp. nov. On leaves of Dier- 

 villa trifida, Orono, 10-1900, (Ricker, No. 762). Spots circular, 

 scattered, small (2-3 m. m.), dirty white with a red border; 

 hyphae cespitose, tufts scattered over the spots both above and 

 below, olive-brown, continuous or sparingly septate, 80-110x4- 

 5 fj. ; conidia obclavate, olive-brown, 2-4 septate, 50-60x5-6 /x. 



The tufts are not effused but scattered singly and rather spar- 

 ingly and are so compact as to be easily mistaken for perithecia. 



CERCOSPORA XYMPHAEACE.E C. & E. . On Xymphaea odorata, 

 Oldtown, 9-1900, (Ricker). 



CERCOSPORA PLAXTAGINIS Sacc. On Plantago major, Orono. 

 10-1900, (Ricker). 



CERCOSPORA ROSAECOLA Pass. On Rosa sp. (cult.), West- 

 brook, 8-1900, (Ricker). On Rosa sp. (cult), Orono, 10-1900, 

 (Ricker). 



CERCOSPORA SQUALIDA Pk. On Clematis Virginiana, Orono, 

 10-1900. (Ricker). 



CERCOSPORA STACHYDIS E. & E. On Stachys palustris, Two- 

 bush Is., Penobscot Bay, 8-1896, (Harvey). Det. P. L. R. 



CERCOSPORA VARIA Pk. On Viburnum cassanoides, West- 

 biook, 7-1897, (Ricker). 



CLADOSPORIUM CUBISPORUM B. &. C. Maine, (Blake). Grev. 

 3:107. 



CLADOSPORIUM EPIPHYLLUM (Pers.) Mart. On Quercus, 

 Portland, (Fuller). Grev. 5:152. 



CLADOSPORIUM GRAMINUM Corda. On grass, Orrington, 

 6-1896, (Harvey). 



CLADOSPORIUM HERBARUM (Pers.) Link. On dead stems and 

 leaves, Orono, 8-1889, (Harvey). Cumberland, 9-1857; Harri- 

 son, 9-1859, (Blake). 



CLADOSPORIUM TYPHARUM Desm. On Typha latifolia, Orono, 

 11-1900, (Ricker). 



CONIOTHECIUM TORULOIDES Cda. On Salix, Cumberland, 

 1857; Harrison, (Blake). 



FUMAGO VAGANS Pers. On decaying wood, Cumberland, 

 (Blake). 



FUSICLADIUM DEXTRITICUM (Wallr.) Fckl. On Pyrus malus, 

 Orono, 3-1896, (Harvey). 



22 



