side, 8-1901, (Ricker). On Crataegus macrantha, Falmouth 

 Foreside, 8-1901, (Ricker). 



ROESTELIA CORNUTA (Gmel.) Fr. On Pyrus americana, Mr. 

 Desert Is., 9-1897, (J. C. Arthur). 



ROESTELIA LACERATA (Sow.) Fr. On Crataegus, West- 

 brook, (Bolles). Proc. Port. Soc. Nat. Hist, i 1180. On Pyrus 

 americana, New Portland, 6-1857, (Blake). 



TRIPHRAGMIUM CLAV-ELLOSUM Berk. On Aralia ntidicaulis, 

 Bradley, 7-1890, (Harvey). On Aralia nudicaulis, Westbrook, 

 7-1898, (Ricker). 



UREDO CAEOMA NITENS Schw. On Rubus villosus, Orono, 

 6-1898, (Ricker). 



UREDO CASSANDRA: Pk. & Cl. On Cassandra calyculata, 

 Harrison, 6-1881, (Blake). Det. Arth. 



UREDO IRIDICOLA Pk. On Iris versicolor, Bradley, 10-1899, 

 (Ricker). 



UREDO LEDICOLA Pk. On Ledum latifolium, Orono, 6-1899, 

 (Harvey). 



UREDO POLYPODII (Pers.) DC. On Osmunda cinnamomea, 

 Wells, 8-1859, (Blake). 



UROMYCES APPENDICULATUS (P.) Lev. On Phaseolus vul- 

 garis, Orono, 7-1899, (Harvey). 



UROMYCES ASCLEPIADIS Cke. On Asclepias, Cape Elizabeth, 

 (Fuller). Grev. 5:152. 



UROMYCES CALADII (Schw.) Farl. On Arisaema triphyllum, 

 Basin Mills, 5-1899, (Ricker). 



UROMYCES CARYOPHYLLINUS (Schrank.) Schroet. On Dian- 

 thus caryophyllus, Orono, 12-1898, (Ricker). In a greenhouse. 



UROMYCES GERANII (DC.) Otth. & Wartm. On Geranium, 

 Westbrook, (Bolles). 



UROMYCES HYPERICI (Schw.) Curt. On Hypericum per- 

 foratum, Cape Elizabeth, 9-1859, (Blake). On Hypericum 

 mutilum, Bradley, 10-1899, (Ricker). 



UROMYCES JUNCI (Desm.) Tul. On Juncus tenuis, Orono, 

 (Harvey). 



UROMYCES LILII Clint. On Lilium canadense, Bradley, 7- 

 1899, (Harvey). 



UROMYCES PIRIFORMIS Cke. On Acorus calamus, Orono, 9- 

 1897, (Harvey). 



54 



