SONCHUS L. (Sow Thistle) 



1512 S. ARVENsis L. (Field Sow Thistle.) Common, 



1513 S. OLERACEus L. (Common Sow Thistle.) Frequent. 



1514 S. ASPER Hill, (Spiny-Leaved Sow Thistle.) Occasional. 



LACTUCA L. (Lettuce) 

 SCARIOLA L. (Prickly Lettuce.) Common throughout. 

 CANADENSIS L, (Wild Lettuce, Horse-Weed.) Common, 

 CANADENSIS, VAR. MONTANA Britfon. Monroe Country, Prof. 

 Porter. 

 INTEGRIFOLIA Bigel. Elmhurst. 



HIRSUTA Muhl. 



VILLOSA Jacq. Mocanaqua, 



SPiCATA Hitchc. Farm of C. S. Woolworth, near Lily Lake. 



PRENANTHES L. (Rattlesnake-Root) 

 RACEMOSA Michx. Gipsy Grove, Dunmore. 



ALBA L. (White Lettuce, Rattlesnake-Root.) Gipsy Grove, Dun- 

 more. 



SERPENTARiA Pursh. (Lion's Foot.) Gipsy Grove, Dunmore. 

 TRiFOLioLATA Femald. (Gall-of-the-Earth.) Gipsy Grove, Dun- 

 more. 

 1526 P. ALTissiMA L. Gipsy Grove, Dunmore. 



HIERACIUM L. (Hawkweed) 



piLosELLA L. (Mouse-Ear.) Near Lily Lake. Near Elk Moun- 

 tain, /. A. Graves. 



AURANTiACUM L. (Orange Hawkweed, Devil's Paint-Brush.) 

 This has become a great pest within recent years. 



PRATENSE Tausch. (King Devil.) Factory ville, Scranton Golf 

 Grounds. 



VENosuM L. (Rattlesnake-Weed.) Common. 



PANicuLATUM L. Frequent. 



MARiANUM Willd. Penobscot, Wilkes-Barre Mountain. 



SCABRUM Michx. Frequent. 



CANADENSE Michx. Pocono Summit. Occasional elsewhere. 



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