AECIDIUM ELATINUM A. & S. On Abies balsamea, Wells, 

 1880, (Blake). 



AECIDIUM GROSSULARI^E Schum. On Ribes prostratum, 

 Orono, 5-1898, (Ricker). On Ribes floridum, Orono, 6-1900, 

 (Ricker.) 



AECIDIUM HYDNOIDEUM, B. & C. On Dirca palustris, Win- 

 throp, 6-1857, (Blake). 



AECIDIUM HYPERICATUM Schw. On Hypericum perfora- 

 tum, Westbrook, (Bolles). Proc. Port. Soc. Nat. Hist, i :i8i. 



AECIDIUM MARINE-WILSON: Pk. On Viola cucullata, Har- 

 rison, 6-1881, (Blake). 



AECIDIUM OENOTHER^: Mont. On Oenothera biennis, 

 Basin Mills, 5-1899, (Ricker). 



CALYPTOSPORA GOEPPERTIANA J. Kuehn. On Vaccinium 

 vitis-idaea, Clifton, 6-1896, (Harvey). On Vaccinium vitis- 

 idaea, Mt. Katahdin, 8-1898, (Merrill). 



CHRYSOMYXA ALBIDA Kuehn. On Rubus villosus, Wells, 9- 

 1883, (Blake). 



CHRYSOMYXA PIROL/F. (DC.) Rost. On. . Pyrola rotundifolia, 

 Biddeford, 5-1859, (Blake). On Pyrola rotundifolia, Orono, 

 5-1892, (Harvey). 



COLEOSPORIUM SOLIDAGINIS (Schw.) Thum. On Solidago, 

 Cumberland, 9-1857, (Blake). On Solidago canadensis, Brad- 

 ley, 10-1899, (Ricker). On Aster lindleyanus, Orono, 10- 

 1900, (Ricker). 



CRONARTIUM ASCLEPIADEUM (Willd.) Fr. F. Col. No. 1482. 

 On Myrica gale, Orono, 10-1900, (Ricker). 



GYMNOSPORANGIUM CLAVARIIFORME (Jacq.) Rees. On Juni- 

 perus communis, Portland, (Fuller). Farl. Gymnosp. p. 13. 



GYMNOSPORANGIUM CLAVIPFS C. & Pk. On Juniperus vir- 

 giniana, Orono, 11-1900, (Ricker). 



GYMNOSPORANGIUM JUNIPERINUM, (L.) Fr. On Juniperus 

 virginiana, Cumberland, 1859, (Blake). 



GYMNOSPORANGIUM SABIN.-E (Dicks.) Wint. On Pyrus 

 communis, Westbrook, (Bolles). 



MELAMPSORA FARINOSA (Pers.) Schroet. On Salix, Orono, 

 (Harvey). On Salix cordata, Auburn, 7-1896, (Merrill). 



