spores, about one micron in diameter. These refused to yield to 

 culture in ordinary media, and unfortunately the specimens were 

 lost before opportunity came for further study. Cats were said 

 to be affected with the same disease. Joseph Leidy, in Proc. Phil. 

 Acad. Sci. 25 1260-261, notes a similar disease of mice which he 

 refers to Torula or Oidium. 



OVULARIA MONILIOIDES Ell. & Mart. On Myrica gale, Sandy 

 Bay, 8-1895, (Harvey). Det. Ell. On Myrica gale, Oldtown, 

 6-1898, (L.H.Harvey). 



PENICILLIUM GLAUCUM Lk. On stale bread, Orono, 10-1897, 

 (Ricker). 



RAMULARIA DIERVILL.E, Pk. On Diervilla trifida, West- 

 brook, 7-1897, (Ricker). 



RAMULARIA MENTHICOLA Sacc. On Mentha canadensis, 

 Orono, 8-1891, (F. P. Briggs). Det. P. L. R. 



RAMULARIA PLANTAGINIS E. & M. On Plantago major, 

 Westbrook, 8-1899, (Ricker). On Plantago major, Orono, 

 10-1900, (Ricker). 



RAMULARIA RANUNCULI Pk. On Ranunculus acris, Orono, 

 10-1900, (Ricker). 



RAMULARIA TARAXACI Karst. On Taraxacum officinale, 

 Westbrook, 9-1899, (Ricker). 



SPOROTRICHUM OLIVACEUM (Lk.)Fr. On decaying wood, 

 Orono, 10-1896, (Harvey). 



TRICHODERMA LIGNORUM (Tode.) Harz. On Acer rubrum, 

 Cumberland, (Blake). On Acer rubrum, Orono, (Harvey). On 

 Acer rubrum, Pownal, 11-1897, (Stover). 



TRICHOTHECIUM ROSEUM (Pers.) Link. On dead Acer rub- 

 rum, Cumberland; Wells, (Blake). On 'dead Acer rubrum, 

 Orono. 12-1887, (Harvey). 



FAMILY DEMATIACE^E. 



ALTERNARIA BRASSTC.E (Berk.) Sacc. On Brassica oleracea, 

 Cumberland, 1858, (Blake). Det. Ell. 



CERCOSPORA CIRCUMSCISSA Sacc. On Primus serotina, West- 

 brook, 8-1899, (Ricker). 



CERCOSPORA DEPAZEOIDES (Desm.) Sacc. On Sambucus nigra, 

 Westbrook, 7-1897, (Ricker). On Sambucus nigra, Orono, 

 8-1900, (L. H. Harvey). 



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