596 MINNESOTA BOTANICAL STUDIES. 
Aster puniceus L. Sp. Pl. 875. 1753. 
Coll.: MacMillan & Skinner 287, Thief River Falls. 
Aster levis L. Sp. Pl. 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. 1: 306. 1783. 
Coll.: Ballard 2785, Warren. 
Aster paniculatus Lam. Encycl. 1: 306. 1783. 
Coll.: Ballard 2568, St. Vincent; 2674, Northcote; Mac- 
Millan & Skinner 312, Crookston. 
Aster multiflorus Arr. Hort. Kew. 3: 203. 1789. 
Coll.: Ballard 2694, Northcote; 2724, Kennedy; 2802, 
Warren; MacMillan & Skinner, 336, Crookston. 
Brachyactis angustus (LinpL.) Britton, in Britton & Brown, 
I El, 34-383. F898. 
Coll.: Ballard 2545, Fergus Falls; 2784, Warren. 
Erigeron philadelphicus L. Sp. Pl. 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 Ill. Fl. 
32301.) 1808. 
Coll.: Ballard 2633, St. Vincent; MacMillan & Skinner 
37, Crookston. 
Doellingeria umbellata pubens (A. GrAy) Britton, in Britton & 
Brown Ill. Fl. 3: 393. 1808. 
Coll.: MacMillan & Skinner 120, Maple lake. 
Heliopsis scabra DuNAL, Mem. Mus. Paris, 5: 56. 1819. 
Coll.: MacMillan & Skinner 117, Maple lake; 204, 
Crookston. 
