74 TWELFTH ANNUAL REPORT. 



ERIGERO:^, L. Fleabane. 



E. hyssopifolius, Michx. (Aster graminifolius, Pursh.) Fleabane. 



North shore of lake Superior, Juni; between the lake of the Woods and Red river, 

 Dau'so7i. North . 



E. Canadensis, L. Horse-weed, Butter-weed. 

 Common thi'oughout the state. 



E. divaricatiis, Michx. Dwarf Fleabane. 



Open grounds and river banks, Indiana to Minnesota, Nebraska and Texas. Gray's 

 Synoptical Flora of N. A. 



E. acris, L. Fleabane. 



North shore of lake Superior, Macoun ; doubtless in northern Minnesota. [Perhaps 

 the var. DRfEBACHENSis, Blytt, which has a similar range with the typical species. 

 Somewhat glabrous, or even quite so : involucre also green, naked, at most hirsute only 

 at the base, often minutely viscidulous : slender rays somewhat slightly exserted, 



sometimes minute and filiform and shorter than the pappus North shore of 



lake Superior, etc. Gray's Synoptical Flora of N. A.] 



E. bellidifolius, Muhl. Robin's Plantain. 



Frequent southward ; extending north at least to Isanti county, Upham, and Clay 

 county and Detroit, Becker county, Gedge. 



E. Pliiladelpliicns, L. Common Fleabane. 

 Frequent, oceasionally common, throughout the state. 



E. g-labellus, Nutt. Fleabane. 



Goodhue county, Sandberg ; Red river valley near Saint Vincent, Daivson, Scott. 

 [Devil's lake, Dakota, Geyer.] West. 



E. anniius, Pers. Daisy Fleabane. Sweet Scabious. 



St. Croix Falls, Miss Field ; Minneapolis, Miss Butler; lake Pepin, Miss Mannbig ; 

 frequent in the vicinity of Ilesper, Iowa, adjoining the southern boundary of Houston 

 and Fillmore counties, Mrs. Carter. This species reaches its northwest limit in south- 

 eastern Minnesota ; it was not observed, though carefully looked for, throughout the 

 remainder of the state. 



E. .strigosiis, Muhl. Daisy Fleabane. 



Throughout the state; common southward, infrequent northward. 



[The species referred to the genus DiPLOPAPPUs, Cass., m Gray's ManxiaU are in- 

 cluded under Aster in his Synoptical Flora of N. A. ; and in this catalogue they are 

 placed at the end of that genus.] 



BOLTONIA, L'Her. Boltonia. 



B. a.steroides, L'Her. (Includingr B. glastifolia, L'Her.) Boltonia. 



Common through the south part of the state ; extending north at least to Minne- 

 apolis, Williams, Alexandria, Mrs. Terry, Fergus Falls, ieonard, and Devil's lake, Da- 

 kota, Geyer. South and west. 



GUTIERREZIA, Lagasca. Gutierrezia. 



G. Euthaniia?, Torr. & Gray.* Gutierrezia. 



Red river valley near Saint Vincent, Scott, determined by Watson. West. 



* Gutierrezia, Lagasca. Heads small or middle-sized, 6- to 90-flowered, the rays 

 pistillate, fertile, the disk-flowers tubular, perfect and fertile. Involucre varying from 

 narrowly obconic to broadly hemispherical, the scales closely imbricated in several 

 series, rigid, and with greenish herbaceous tips. Receptacle naked. Corollas yellow, 



