102 FLORA OF WORCESTER COUNTY. 



Lactuca (Tourn.) L. Lettuce, 

 scariola L. Prickly Lettuce. 



Worcester. Miss Grace B. Baker. 



canadensis L. Wild Lettuce. In rich soil, common, 

 hirsuta Muhl. 



Southbridge. Mr. L. E. Ammidown. 

 ludoviciana (Nutt.) Riddell. Waste grounds. 



Worcester. Mr. George Coult. 

 spicata (Lam.) Hitchc. In low grounds. 



Prenanthes (Vaill.) L. Rattlesnake-root. 



alba L. White Lettuce. In rich woods, common, 



serpentaria Pursh. .Lion's-foot. Occasional. 



Prof. G. E. Stone, 

 trifoliata (Cass.) Fernald. 



Templeton. Mr. P. Blodgett. 

 altissimus L. In rich woods, common. 



Hieracium (Tourn.) L. Hawkweed. 



aurantiacum L. Orange Hawkweed. 



In fields and waste places. 



venosum L. Rattlesnake-weed. In dry woods. 



paniculatum L. In dry woods, 



scabrum Michx. In dry woods and pastures. 



Gronovii L. In dry woods, 



canadense Michx. In dry woods. 



(1240 species and varieties.) 



