PLANTS OF FARGO, ETC. 97 
Aster laevis 1. *SMOOTH BLUE ASTER. 
Prairie, roadsides, edges of woods and thickets. Common. 
Aug. 20 (22). 
Aster sericeus Vent. SILKY ASTER. 
Along railroad (introduced in gravel). Stevens in 1920. 
Aster multiflorus Ait. WHITE PRAIRIE ASTER. 
Prairie. Common. Aug. 15 (15). 
Aster commutatus (T. & G.) Gray. 
Prairie. This is listed by Bergman but I am as yet uncertain 
whether it is common or distinct’ from the preceding. 
Aster paniculatus Lam. *T ALI, WHITE ASTER. 
Riverbank, low fields and roadsides. Common. Aug. 20 (18). 
Aster piarmicoides (Ness.) T. & G. 
Prairie. Lee in 1891. 
Brachyactis angusta (Lindl.) Britton. RAYLESS ‘ASTER. 
Sloughs and along railroad. Frequent. Sept. 15. 
Erigeron philadelphicus WL. FLEABANE. 
Sloughs. Common. June 10 (9). 
Erigeron ramosus (Walt.) B. 5S. P. DAISY FLEABANE. 
Prairie. Occasional. June 30. 
Leptilon canadense (1,.) Britton. HORSE-WEED. 
Uncultivated fields and roadsides. Common. July 20 (20). 
Antennaria aprica Greene and A. neglecta Greene. CAT’S-FOOT. 
I do not know the two species. The plants are frequent on the 
prairie and sometimes in open woods. The record of A. parviflora 
is an error. May 10. 
Silphium perfoliatum 1. < CUP PLANT. 
I have seen a colony on the river bank, but failed to find it the 
past season. 
Heliopsis scabra Dunal. FALSE SUNFLOWER. 
Prairie. Frequent. June 20 (22). 
Rudbeckia laciniata L. _ TALL, CONEFLOWER. 
Woods and thickets. Common. July 25 (25). 
Ratibida columnaris (Sims) D. Don. CONEFLOWER. 
Along railroad (introduced?) Occasional. July 5 (7). 
Helianthus annuus \. COMMON SUNFLOWER. 
Roadsides. Occasional. July ro. 
Helianthus petiolaris Nutt. 
Along railroad or other dry soil. Occasional.. July 5 (4). 
