558 MINNESOTA BOTANICAL STUDIES. 
19. A. pustulatum ‘Curt., Rep. N. Y. St.. Mus. Nat. Hist: 
23: Go. 1869. 
On Comandra umbellata (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 viridifora (RAF.) Eaton: Houston, Je. 1899, 
Lyon. 
21. A. lysimachie (ScHL.) WaLir. FI. Crypt. Germ. No. 
1770. T3933. 
On Stezronema ciliatum (L.) Rar.: Pine, Je. 1899, Free- 
man 503. 
22. A. grossularie Pers. Syn. Meth. Fung. (?). 1801. (4A. 
grossularie ScuuM. Enum. Plant. Saell.2: 223. 1803.) 
Abundant everywhere. 
On fides gracile Micux.: Winona, My. 1886, Holzinger ; 
Brown, Jy. 1891, Sheldon 826% ; Ramsey, My. 1899, 
Freeman 315. 
Leibes 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. 
ftibes cynosbatt 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. 189%, 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. 
