FLORA OF THE UPPER SCSVUEUANNA. 65 



LACTUCA L. 



L. Scariola L. Prickly Lktu ( e. Not common. A plant of 

 recent introduction that seems to be spreading. Reported only 

 from Sus(iuehanna, Broome and Chemung counties. 



L. Canadensis L. Wild Lettice. Tklmi-et Milkwked. Com- 

 in thickets and fence-rows. A tall, coarse plant, with many 

 small heads of yellow flowers. July. 



L. vlllosa Jacq. Blue Lettice. Not uncommon in dry ground. 

 Not reported from the Chenango valley. Flowers bluish. (/.. 

 aciam'nata Ciray. ) 



L. spicata (Lam.) A. S. Hitchc. White Lettice. Common in 

 waste places. Flowers bluish-white. (L. leucop/iaa Gra.y.) 



SONCHUS L. 



S. oleraceus L. Com.mon Sow Thistle. Plentiful in waste 

 places, especially along railways and roadsides. 



S. asper (L. ) All. Prickly Sow Thistle. Common in the 

 same .situations as the preceding. 



LOBELIACE/C. 



LOBELIA L. 



L. cardinalis L. Cardinal Flower. Common on islands and the 

 shores of our larger streams. Very rarely found along the 

 smaller streams. Flowers, large, in a terminal spike, brilliant 

 red. The plant spreads by offsets in late summer. This species 

 is very unequally distributed. It occurs in great quantities at 

 some points, but generally the plants are found singly. July. 

 Aug. 



L. syphilitica L. Great Bll e Lobelia. Common in moist 

 places, especially the borders of swamps and wet meadows. 

 Stem, rather tall ; flowers, large, blue. Aug. 



L. spicata Lam. Spiked Lobelia. Common in the Susquehanna 

 valley, rare in the Chemung, and not reported from the Che. 

 naugo. Found in fields and pastures, dry or wet. Spike, long 

 and slender; flowers, small, blue. July. 



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