558 MINNESOTA BOTANICAL STUDIES. 



19. A. pustulatum CURT., Rep. N. Y. St. Mus. Nat. Hist. 



23 : 60. 1869. 



On Comandra umbcUata (L.) NUTT. : Winona, Je. 1888, 

 Holzinger ; Wright, Je. 1900, Freeman 691; Ramsey, 

 Je. 1899, Freeman 394 ; Pine, Je. 1899, Freeman 490 ; 

 Houston, Je. 1899, Lyon 90. Very abundant throughout 

 the State. 



20. A. jamesianum PECK, Bot. Gaz. 5 : 34. 1880. 



On Asclepias syriaca L. : Brown, Jy. 1891, Sheldon 1078. 

 Asclepias tuberosa L. : Brown, Jy. 1891, Sheldon 787. 

 Acerates viridiflora (RAF.) EATOX : Houston, Je. 1899, 

 Lyon. 



21. A. lysimachiae (SCHL.) WALLR. Fl. Crypt. Germ. No. 



1770. 1833. 



On Steironcma ciliatum (L.) RAF. : Pine, Je. 1899, Free- 

 man 503. 



22. A. grossulariae PERS. Syn. Meth. Fung. (?). 1801. (A. 

 grossularice SCHUM. Enum. Plant. Saell. 2 : 223. 1803.) 



Abundant everywhere. 



On Ribes gracile MICHX. : Winona, My. 1886, Holzinger ; 

 Brown, Jy. 1891, Sheldon 826^; Ramsey, My. 1899, 

 Freeman 315. 



Ribes floridum L'HER. : Le Sueur, Je. 1891, Sheldon 233 ; 

 Blue Earth, Je. 1891, Sheldon 375 ; Ramsey, My. 1899, 

 Freeman 326; Wright, Je. 1900, Lyon 550; Houston, 

 Je. 1899, Lyon. 



Ribes cynosbati L. : Aitkin, Je. 1892, Sheldon 2291 ; 

 Wright, My. 1900, Freeman 660 ; Pope, Jy. 1891, Taylor 

 935; Chisago, Je. 1892, Taylor 1307. 



Ribes sp. indet. : Blue Earth, Je. 1891, Sheldon 375; 

 Hennepin, My. 1891, Sheldon; Meeker, Je. 1892, Frost 

 33; Lake, Je. 1893, Sheldon 4928; Hennepin, 1893, 

 Sheldon 5966 ; Houston, Je. 1900, Lyon 551; Wright, 

 My. 1900, Freeman 598; Houston, Je. 1899, Lyon 13. 



23. A. hydnoideum B. & C. Grev. 3: 61. 1874. 



On Dirca palustris L. : Chisago, S. 1891, Sheldon, 1984^ ; 

 Crow Wing, Jy. 1893, Ballard 1496 and 1646; Wright, 

 My. 1900, Freeman 579. 



