PLANTS OF MANHATTAN AND BLUE TRAPDS 12 1 



Aster missouriensis Britton. Missouri Aster. 



Manhattan. Once collected along old river channel. 

 Aster midtiflorus Ait. Dense-flowered Aster. 



Prairies and dry roadsides. Common. Sept 5 (6). 

 Erigeron philadelphicus L. Common Fleabane. 



Manhattan. Low ground. Occasional. May 20. 

 Erigeron ramosus (Walt.) B. S. P. Daisy Fleabane. 



Meadows and roadsides. Common. May 25. 

 Leptilon canadense (L.) Britton. Horseweed. 



Fields and roadsides. Common. July 25 (26). 

 Leptilon divaricatum (Michx.) Raf. Low Horseweed. 



Dry hillsides and ravines. Frequent. June 25. 

 . 1 ntennaria cavipestris Rydb. Prairie Cat's-foot or Everlasting. 



Prairies. Common. Apr. 5 (6). 

 Antennaria pi antagini folia (L.) Richards. Plantain-leaved 

 Everlasting. 



Manhattan. Meadows and ravines. Occasional. Apr. 30 



(2S.) 



Gnaphalium obtusifolium L- Fragrant Everlasting. 



Manhattan. Occasional. 

 Silphium perfoliatum L. Cup Plant. 



Low roadsides. Occasional. June 30. 

 Silphium integrifolium. Michx. Entire-leaved Rosin Weed. 



Roadsides. Common. June 30 (July 1). 

 Silphium laciniatum L. Compass Plant. Rosin Weed. 



Praries and roadsides. Common. June 30 (30). 

 Heliopsis scabra Dunal. Ox-eye. False Sunflower. 



Roadsides. Common. July 15. 

 Eelipta alba (L.) Hassk. 



Riverbanks and low fields. Common. July 30. 

 Rudbeckia hirta L. Black-eyed Susan. 



Meadows and roadsides. Occasional. June 30 (30). 

 Rudbeckia laciniata L. Tall Coneflower. 



Edges of woods. Common. July 30. 

 Ratibida pinnata (Vent.) Barnhart. Gray-headed Coneflower. 



Blue Rapids. Occasional along roadsides. 

 Ratibida columnaris (Sims) D.Don. Long-headed Coneflower. 



Dry roadsides and prairies. Occasional. June 20 (18). 

 Brauneria pallida (Nutt.) Britton. Purple Coneflower. 



Prairies and hillsides. Common. June 10 -(n). 



