156 New York State Museum 



Sonchus - oleraceus L. Common Sow Thistle 



A weed along railroads and in waste soil. In- 

 frequent. 

 Lactuca scariola L. (L. virosa L.) Prickly Lettuce 

 An occasional weed in waste places and along rail- 

 roads, only the var. integrata Gren. & Godr. seen. 

 Lactuca canadensis L. Wild Lettuce 



In poor or somewhat fertile soil in open places. 

 Frequent, in the park area and more abundant on the 

 bottomlands of the larger valleys. The var. integri- 

 folia (Bigel.) Gray, along English run. 

 Lactuca spicata (Lam.) Hitch. Blue Lettuce 



In moist, usually fertile soil of open woods, 

 thickets and banks or along roadsides. Common. 

 Prenanthes alba L. Nabalus albus Hook. Rattlesnake 

 Root, White Lettuce, Lion's Foot 

 Collected on stony banks in open woods near Car- 

 rollton, by Peck, and occasional throughout the Alle- 

 gheny valley. 

 Prenanthes trifoliata (Cass.) Fernald. Rattlesnake Root, 

 Gall-of-the-earth 

 In moist soil in open woods, on banks and along 

 roadsides. Common and extremely variable as to 

 leaf outline. 

 Prenanthes altissima L. Rattlesnake Root 



In moist fertile soil of open rocky or gravelly 

 woods and banks. Occasional at Elko, Quaker Bridge 

 etc. 

 Hieracium aurantiacum L. Orange Hawkweed, 

 Devil's Paint Brush 

 Infrequent within the park area but more abundant 

 in sandy soil along the edge of the glacial drift north 

 and west of the park. 



