154 GEOLOGICAL SURVEY OF NEW JERSEY. 
TARAXACUM, Hall. 
Dandelion. 
T, OFFICINALE, Web. (7. 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 ZL. graminifolia, 
Michx., of the South, are sent by Mr. Commons from river 
banks, Salem Co. 
L. integrifolia, Bigel. (L. Canadensis, L., var. integrifolia, Gray.) 
Morris: Long Hill—Leggett. Monmouth: Sandy Hook— 
Britton. Hunterdon: Rosemont, common—Best. Gloucester : 
Mickleton, not common—B. Heritage. 
L. hirsuta, Muhl. (ZL. 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. leucophea (Willd.), Gray. (Mulgedium leucophzum, DC.) 
In low woodlands. Apparently frequent throughout the 
Staté. 
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. Floridana (L.), Gertn. (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. 
