LACK AW ANN A AND WYOMING FLORA. 



AMBROSIA, TOURN. 

 RAGWEED. 



381. A. trifida, L. GREAT R. Along the Susquehanna River; near 

 Scranton. Dudley. Abundant about the "Pond Holes" and along 

 the river. Thurston. 



382. A. artemisiaefolia, L. Common. 



XANTHIUM, TOURN. 



383. X. Canadense, Mill. COCKLEBUR. Susquehanna river banks; 

 waste places in Wyoming Valley. 



HELIOPSIS, PERS. 



384. H. laevis, Pers. OX-EYE. Near mouth of Lackawanna River. 

 Dudley. Near Kingston. Thurston. 



RUDBECKIA, L. 

 CONE-FLOWER. 



385. R. laciniata, L. Near Atherton's Pond. Dudley. Abundant 

 in low waste ground near Kingston. Thurston. 



386. R. hirta, L. YELLOW DAISY. CONE-FLOWER. Common. 



HELIANTHUS, L. SUNFLOWER. 



387. H. annuus, L. COMMON S. Cultivated; occasional on waste 

 ground about towns. 



388. H. giganteus, L. Lower Lackawanna Valley ; Mocanaqua. 

 Dudley. 



389. H. parviflorus, Bernh. E. of Penobscot Knob. Dudley. 



390. H. divaricatus, L. Frequent on the mountains. 



391. H. decapetalus, L. Lower Lackawanna Valley ; Mocanaqua. 

 Dudley. 



392. H. tuberosus, L. JERUSALEM ARTICHOKE. By railroad be- 

 tween Pittston and Campbell's Ledge ; abundant along the river and 

 by the "Pond Holes" about Kingston. 



