Freeman: MINNESOTA UREDINE/E. 543 



B. HEMIUROMYCES. 



8. U. lespedezse (Scnw.) PK. Ellis, N. A. Fungi, No. 245. 



1879. 



On Lcspedeza capitata MICHX. : Winona, (III) S. 1888, 

 Holzinger; Chisago, (III) S. 1893, Ballard 1819. 



9. U. hedysari-paniculata (Scnw.) FARLOW, Ellis, N. A. 



Fungi, No. 246. 1879. 

 On Mcibomia sp. indet. : , (III) 1893, Sheldon 7078. 



10. U. terebinth! (DC.) WINT. Die Pilze i 1 : 147. 1884. 

 On Rhus radicans L. : Kandiyohi, (III) Jy. 1892, Frost 302. 



11. U. caryophyllinus (SCHRANK.) SCHROET. Brand and 



Rost-Pilz. Schles. 10. 1872. 



On Dianthus caryophyllus L. : Ramsey, (III) on leaves 

 and stem, Ap. 1900, Freeman. 



C. LIFE HISTORIES INCOMPLETELY KNOWN. 



12. U. argophyllae SEYM. Proc. Bost. Soc. Nat. Hist. 185. 



1889. 



On Psoralca argophylla PURSH : Traverse, (III) S. 1893, 

 Sheldon 7353; Lincoln, (III) Ag. 1891, Sheldon 1546. 



T 3- U. pyriformis COOKE, Rep. N. Y. St. Mus. Nat. Hist. 29: 



69. 1878. 



On Acorus calamus L. : Carver, (III) Je. 1891, Ballard 

 13 ; Wright, (III) My. 1900, Freeman 636. 



14. U. rudbeckiae ARTH. & HOLW. Bull. 111. St. Lab. Nat. 



Hist. 2: 163. 1885. 

 On Rudbcckia laciniata L. : , (III) S. 1893, Sheldon. 



Puccinia PERSOON. 



Thirty-nine species have been collected : 10 Aut-eupuccinia , 

 6 Heler-eupuccinia , 2 Brachypuccinia, 2 Pucciniopsis ^ 7 Hemi- 

 puccinia, i Micropuccinia, 3 Leptopuccinia, and 8 with im- 

 perfectly known life histories. Very abundant are those species 

 found on Mints, Helianthus and allied genera, on grasses, 

 sedges and Polygonum. Those forms formerly included under 

 P. hieracii (Schum.) Mart, have been separated as far as pos- 

 sible according to the recent researches of Jacky.* The high 

 degree of specialization in the habit of these forms which has 



*Die Compositen-bewohnenden Puccineen vom Tjpus Puccinia hieracii und 

 deren Specialisierung. Bern. 1899. 



