TUBERCULARIA GRANULATA Pers. On Robinia pseudacacia, 

 Cumberland, (Blake). 



TUBERCULARIA NiGRiCANS (Bull.) Link. On Rubus (rasp- 

 berry), Orono, 12-1889, (Harvey). 



ORDER SPHAEROPSIDACE/E. 



FAMILY SPHAERIOIDACE^. 



ACTINONEMA ROS.E ("Lib.) Fr. On Rosa (cult.), Westbrook, 

 8-1900, (Ricker). 



APOSPHAERIA HEMISPHAERICA (A. & S.) Sacc. On Pinus, 

 Wells, 10-1859, (Blake). 



APOSPHAERIA CLYPEATA (C. & Ell.) Sacc. On dead wood, 

 Maine, (Blake). Grev. 5 133. 



APOSPHAERIA HYSTRELLA Sacc. On Pinus, Wells, (Blake). 



CEUTHOSPORA SP. ? On Fragaria virginiana, Orono, 10-1900, 

 (Ricker). 



CYTISPORA CARNEA E. & E. On Tilia americana, Orono, 

 (Harvey). Det. Ell. 



CYTISPORA CHRYSOSPERMA (Pers.) Fr. On Populus tremu- 

 loides, Orono, 1890, (Harvey). Det. Ell. 



CYTISPORA EXASPERANS E. & E. On Acer rubrum, Orono, 

 1896, (Harvey). Det. Ell. 



CYTISPORA FUGAX (Bull.) Fr. On Fraxinus americana, Cum- 

 berland, (Blake). 



CYTISPORA LEUCOSPERMA (Pers.) Fr. On Populus, Cumber- 

 land, (Blake). 



CYTOSPORA NIVEA (Hoffm.) Sacc. On Populus tremuloides, 

 Oldtown, 9-1900, (Ricker). Det. Ell. 



CYTISPORA PINASTRI Fr. On Pinusilvestris, Orono, 10-1900, 

 (Ricker). . 



CYTISPORA RHUIJLE Schw. On Rhus, Maine, (Blake). Grev. 

 2:99. I nave been unable to find any other reference to this 

 species. There is, however, a C. rhoina Fr., On Rhus, which 

 may be the same. 



DARLUCA FILUM (Biv.) Cast. On Puccinia clintonii, Basin 

 Mills, 5-1898, (Merrill). Det. Farl. 



