AND VICINITY. 43 



POLYMNIA, L. Lea/cups. 



canadensis, L. Canadian Pohjmnia. 



Shaded rocky sides of streams. About Vernon, J. S. Douglass, Knieskern. 

 Ravine of Chittenango creek, below the falls. Hackney falls, Owasco lake 

 outlet, I. H. Hall. Gorhaui, Ontario county, Sartwell in. herb. Ham. Colt. 



Rare. July - September. 



uvedalia, L. In honor of Robert Uvedale. 



Deep ravine of Chittenango creek, at the water side. Borders of Seneca lake, 

 Sartwell in herb. Ham. Coll. Rare. August, September. 



AMBROSIA, Tournefort. Ragweed. Wormwood. 



trifida, L. Three-parted-leaved Ambrosia. 



Forming thickets along the banks of the Mohawk. Common. July, August. 



artemisi.efolia, L. Artemisia-leaved Ambrosia.. 



Waysides, waste places. Common. July - September. 



XANTHIUM, Tournefort. CocHeburs. 



strumarium, L. Struma-healing Xanthium. 



Yards, streets, waste grounds. Abundant on the low banks of the Mohawk. 



Common. August. 



SPINOSUM, L. Thorny Xanthium. 



Around the Dexter factories, Knieskern. Hab. Oriskany, but rare, P.D.K. 

 in herb. Sartwell Ham. Coll. August - October. 



HELIOPSIS, Fersoon. False Sunflower. 



l^evis, Pers. Smooth Heliopsis. 



Marshes and streams. Common. August - October. 



RUDBECKIA, L. Coneflowers. 



laciniata, L. Deeply-parted-leaved Rudbeckia. 



Bottoms of ravines, creeks, rivers. Common. July - September. 



fulgida, Alton. Fulgent Rudbeckia. 



Meadows, occasionally, but not permanent. July, August. 



hirta, L. Rough Rudbeckia. 



Pastures, meadows and their borders. Common. June, Jul}-. 



HELIANTHUS, L. Sunflowers. 



gigantetjs, L. Gigantic Helianthus. 



Low river-banks and marshes of lakes. Frequent. August, September. 



strumosus, L. Tubercled-stemmed Helianthus. 



Thickets on hillsides and river -banks. Abundant. 



var. mollis, Torr. 8f Gr. Downy-leaved Helianthus. 



Penn-Yan, Sartwell. Greece, sides of Genesee river, Bradley. 



divaricatus, /,. Divergent Helianthus. 



Open woods. Common. 



dec apet alls, L. Ten-rayed Helianthus. 



Ravine-sides and bottoms. Infrequent. 



var. frondosus, Torr. §- Gr, Leafy -involucred Helianthus. 

 Shady stream-sides. Uncommon, 



