434 



10 HYALOPSOKA POLYPODH {DC.) Magn. 

 Uredo polypodii DC. 

 On Felix fragilis (L.) Underw. (Cystopteris fragiUs (L.) Bernh. 

 1893:56. 1903:143. 

 Putnam, 1893 (Underwood Ind. Biol. Survey 53). 



•11. MELAMPSORA AB1ETIS-CANADENSIS (Farl.) Ludvrig. 

 On Populus deltoides Marsh. 



Jasper, 1913 (Arthur & Fromme). 

 On Populus grandidentata Michx. 1893:51. 



Putnam, 1893 (Underwood Ind. Biol. Sur. 50). 

 On Populus heterophylla L. 



Tippecanoe, 1914 (Ludwig). 

 On Populus tremuloides Miehx. 



Steuben, 1903 (Kellerman). 



Some of above collections were previously recorded in the 



Proceedings as M. Medusae Thiim. 



12. MELAMPSORA BIGELOWII Thum. 1908:89. 

 On Salix amygdaloides Anders. 1903:143. 



Lagrange, 1907 (Arthur); Steuben, 1903 (Kellerman). 

 On Salix cordata Muhl. 1893:51. 1905:180. 



Hamilton, 1905 (Wilson) ; Montgomery, 1893 (Olive) ; Tippecanoe, 

 1904 (Arthur). 

 On Salix discolor Muhl. 1893:51. 1896:218. 



Montgomery, 1890 (Fisher); Tippecanoe, 1896 (Snyder). 

 On Salix interior Rowlee (S. longifolia Muhl.) 1893:51. 1905:180. 

 Hamilton, 1905 (Wilson); Johnson, 1890 (Fisher); Montgomery, 

 1893 (Olive); Marion, 1905 (Wilson); Owen, 1893 (Under- 

 wood Ind. Biol. Sur. 49); St. Joseph, 1904 (Cunningham); 

 Steuben, 1903 (Kellerman); Tippecanoe, 1898 (Stuart). 

 On Salix nigra Marsh. 1893:51. 



Henry, 1915 (Jackson) ; Montgomery, 1890 (Fisher) ; Tippecanoe, 

 1887 (Arthur). 

 On Salix Wardii Bebb. (1893:51 as S. nigra Marsh.) 

 Johnson, 1890 (Fisher). 



Following frequent usage of American authors this species 

 has been variously referred to in the Proceedings as Melampsora 



