471 



120. XIGREDO PLUMBAR1A {Pk,) Arth. 



Uromyces gaurina (Pk.) Snyder. 

 Caeomurus plumbarius (Pk.) Kuntze. 

 Caeomurus gaurinus (Pk.) Arth. 

 On Gaura biennis L. 1896:222. 1898:180. 1903:145. 



Hamilton, 1907 (Wilson): Tippecanoe, 1896 (Snyder). 

 On Oenothera biennis L. 

 Tippecanoe, 1912 (Orton). 



121. XIGREDO POLYGONI (Pers.) Arth. 



Uromyces polygoni (Pers.) Fuckel. 

 Caeomurus Polygoni (Pers.) Kuntze. 

 On Polygonum aviculare L. 1893:57. 1896:223. 1905:181. 



Franklin, 1912, 1914 (Ludwig, in Barth. X. Am. Ured. 1196); 

 Hamilton, 1905 (Wilson); Kosciusko, 1909 (Funk); Montgom- 

 ery, 1893 (Olive); Putnam, 1893 (Underwood); Tippecanoe, 

 1888 (Bolley); 1896 (Snyder). 

 On Polj'gonum ereetum L. 1893:58. 



Boone, 1911 (Miller); Henry, 1915 (Jackson); Johnson, 1890 

 (Fisher); Putnam, 1893 (Underwood Ind. Biol. Sur. 41); 

 Tippecanoe, 1888 (Bolley); 1895 (Snyder). 



122. XIGREDO POLEMOXII (Pk.) Arth. 



Aecidium Polemonii Pk. 

 Uromyces acximinatus Arth. 

 Caeomurus acuminatus (Arth.) Kuntze. 

 I. On Polemonium reptans L. 

 Tippecanoe, 1901 (Arthur ). 

 III. On Spartina Michauxiana Hitch. (S. cynosuroides (L.) Roth). 

 1903:144. 1908:89. 

 Jasper, 1903, 1915 (Arthur); Lake, 1913 (Arthur); Starke, 1905 

 (Arthur); Steuben, 1903 (Kellermani. 



123. XIGREDO PROEM 1XEXS {DC.) Arlh. 



Uromyces Euphorbiae (Schw.J C. & P. 

 Caeomurus Euphorbiae (Sctnv.) Kuntze. 

 On Chamaesyce humistrata (Engelm.) Small [Euphorbia humis- 

 trata Engelm.) 1903:144. 1905:180. 



