Proa ' dings and < f oll( cilons, 



840. Sneclo (8p. ? 



\ '. ii- K Ingston, Mi i Bannister). 



841. Rreehthites hteraclfolla, Raf. Fire-weed. 



Common, [R. .v. D.) Especially In clearing! on the 

 mountains. 



842. A rot! am Lappa, L. {Lappa officinalis^ All.) Burdock. 

 ( lommon. 



848. Cnicns (Cirsium, of DC.) arvonsis, Boffm. Canada 

 Thistle. 



Not observed In Wyoming Valley. Occasional above and 

 below Scran ton. 



844. ('. lanceolatus, Hoffm. Common Thistle. 

 Common. 



845. ('. pumilus, Torr. Pasture Thistle. 

 Tobyhanna Mills and Pooono Station, {Prof. Porter). 



846. C. altlssimus, Willd. var. discolor, Gray. {Oirrium dis- 

 color, Spring.) 



Frequent in the lower Lackawanna Valley. 



.'517. Bieraelum Canadense, Michz. Canada Hawkweed. 



Woods, occasional. 



34S. H. pan tenia turn, L. 

 Frequent. 



849. II. renosam, L. Rattlesnake Hawkweed. 

 Frequent. 



860. H. Bcabrnm, Michz. Rougher Ha wkwee d. 



In woods; the slender form approaching If. Marianum 



(see Gray's Synoptical Flora of X. Amer.) occurs along the 



Mountain Inn road and elsewhere. 



351. Prenanthes alba, L. {Nabalus albus, Hook.) 



Mountain Inn road. Bald Mountain woods. 



352. P. serneiitaria, Pursh. (.V. JFraseri, DC.) 

 Mountain woods, frequent. 



