435 
Salicona Lev., M. farinosa (Pers.) Sehroev. and M. Salicis-cupreae 
(Pers.) Wint., all of which apply to European species. 
13. MELAMPSORA MEDUSAE Thum. 1908:89. 
On Populus balsamifera L. 1893:51. 
Montgomery, 1890 (Fisher). 
On Populus deltoides Marsh. (P. monilifera Ait.) 1893:51. 1896: 
218. 1905:180. 
Hamilton, 1905 (Wilson); Johnson, 1890 (Fisher); Marion, 1905 
(Wilson); Montgomery, 1893 (Olive); Putnam, 1891 (Under- 
wood); Tippecanoe, 1914 (Ludwig, in Barth. Fungi Col. 4737 
and in Barth. N.Am. Ured. 1122): 1SS88 (Bolley), 1896 (Snyder); 
Warren, 1909 (Kern & Johnson). 
On Populus grandidentata Michx. 1893:51. 
Montgomery, 1890 (Fisher); Putnam, 1890 (Underwood). 
On Populus tremuloides Michx. 1893:51. 1898:188. 
Marshall, 1893 (Underwood); Noble, 1897 (King). 
This species has occasionally been erroneously referred in the 
Proceedings to M. populina (Jaeq.) Ley., a European species. 
14. MELAMPSORIDIUM BETULAE (Schum.) Arth. 
Melampsoridium betulinum (Pers.) Kleb. 
On Betula lutea Michx. 1903:143. 1908:89. 
Steuben, 1903 (Kellerman). 
15. PUCCINIASTRUM AGRIMONIAE (Schw.) Tranz. 
Caeoma Agrimoniae Schw. 
On Agrimonia hirsuta (Muhl.) Biekn. (A. Eupatoria Am. Auct.) 
1898 :50. 
Montgomery (Rose); Owen, 1893 (Underwood); Putnam, 1891 
(Underwood); 1907 (Wilson). 
On Agrimonia mollis (T. & G.) Britton. 1893:50. 1896:218. 
1905 :180. 
Delaware, 1915 (Jackson); Hamilton, 1905 (Wilson); Johnson, 
1890 (Fisher); Orange, 1915 (Jackson); Tippecanoe, 1896 
(Snyder). 
