596 MINNESOTA BOTANICAL STUDIES. 



Aster puniceus L. Sp. PI. 875. 1753. 



Coll. : MacMillan & Skinner 287, Thief River Falls. 



Aster laevis L. Sp. PI. 876. 1753. 



Coll.: MacMillan & Skinner 190, 196, 311, Crookston ; 

 Ballard 2518, Fergus Falls; 2561, 2622, St. Vincent; 

 2692, Northcote ; 2738, Hallock. 



Aster sericeus VENT. Hort. Cels. 1800. 



Coll. : MacMillan & Skinner 82, Dugdale. 



Aster ptarmicoides (NEES) T. & G. Fl. N. A. 2 : 160. 1841. 

 Coll.: MacMillan & Skinner 60, Crookston; 154, Maple 

 lake ; Ballard 2804, Warren. 



Aster salicifolius LAM. Encycl. i : 306. 1783. 

 Coll. : Ballard 2785, Warren. 



Aster paniculatus LAM. Encycl. i : 306. 1783. 



Coll.: Ballard 2568, St. Vincent ; 2674, Northcote ; Mac- 

 Millan & Skinner 312, Crookston. 



Aster multiflorus AIT. Hort. Kew. 3: 203. 1789. 



Coll.: Ballard 2694, Northcote; 2724, Kennedy; 2802, 

 Warren ; MacMillan & Skinner, 336, Crookston. 



Brachyactis angustus (LINDL.) BRITTON, in Britton & Brown, 



111. Fl. 3: 383. 1898. 

 Coll. : Ballard 2545, Fergus Falls; 2784, Warren. 



Erigeron philadelphicus L. Sp. PI. 863. 1753. 



Coll.: MacMillan & Skinner 226, 360, Crookston; Bal- 

 lard 2649, St. Vincent. 



Erigeron ramosus (WALT.) B.S.P. Prel. Cat. N. Y. 27. 1888. 

 Coll.: MacMillan & Skinner 44, Crookston; 95, Maple 

 lake. 



Leptilon canadense (L.) BRITTON, in Britton & Brown 111. Fl. 



3: 391. 1898. 



Coll.: Ballard 2633, St. Vincent ; MacMillan & Skinner 

 37, Crookston. 



Doellingeria umbellata pubens (A. GRAY) BRITTON, in Britton & 



Brown 111. Fl. 3: 393. 1898. 

 Coll. : MacMillan & Skinner 120, Maple lake. 



Heliopsis scabra DUNAL, Mem. Mus. Paris, 5: 56. 1819. 



Coll.: MacMillan & Skinner 117, Maple lake; 204, 

 Crookston. 



