154 GEOLOGICAL, SURVEY OF NEW JERSEY. 



TARAXACUM, Hall. 

 Dandelion. 



T. OFFICINALE, Web. (T. Dens-leonis, Desf.) 



In various situations. Very common throughout the State. 

 Naturalized from Europe. 



LACTUCA, L. 



Lettuce. 

 L. Canadensis, L. 



In moist places. Common throughout the State. 



Narrow-leaved plants, varying towards L. grammifolia y 

 Michx., of the South, are sent by Mr. Commons from river 

 banks, Salem Co. 



L. integrifolia, Bigel. (L. Canadensis, L., var. integnfolia, Gray.) 



Morris : Long Hill Leggett. Monmouth : Sandy Hook 

 Britton. Hunterdon : Rosemont, common Best. Gloucester : 

 Mickleton, not common B. Heritage. 



L. hirsuta, Muhl. (L. Canadensis, L., var. sanguinea, T. & G.) 



Hunterdon : Scarce Best. Bergen : Sparingly at Ruther- 

 furd Schuh. Burlington: Vincentown Lighthipe. Cam- 

 den: Martindale. Atlantic: Atlantic City Parker. Mon- 

 mouth : Spring Lake Lighthipe. Plant often entirely glabrous.. 



L. leucopheea (Willd.), Gray. (Mulgedium leucophxum, DC.) 



In low woodlands. Apparently frequent throughout the 

 State. 



L. villosa, Jacq. (Mulgedium acuminatum, DC.) 



Hudson: Weehawken Torrey Catalogue, 1819; Arlington 

 W. M. Wolfe. Bergen : Closter Austin. Somerset : Rocky 

 Hill Lighthipe. Hunterdon : Rosemont, frequent Best. 



L. Ploridana (L.), Gsertn. (Mulgedium Floridanum, DC.) 



Hunterdon : Rosemont, and frequent on hills bordering the 

 Delaware River from Bull's Island to Frenchtown Best. 

 Mercer : Torrey. Burlington : Bordentown Apgar. Ber- 

 gen : Alpine, at base of Palisades Britton. 



