48 GEOLOGICAL SURVEY OF NEW JERSEY. 
BARBAREA, R. Br. 
Winter Cress. 
B. vutaaris, R. Br. Yellow Rocket. 
Common in fields and along roadsides, preferring damper sit- 
uations, throughout the northern and middle counties; less 
abundant in the southern counties. Naturalized from Europe. 
B. pracox (Smith), R. Br. 
Camden: In ballast Parker. Hudson: Newark Neck— 
W. M. Wolfe; in ballast at Communipaw—A. Brown. Hun- 
terdon: Frequent at Rosemont—Best. Adventive from Europe. 
ARABIS, L. 
Rock Cress. 
A. lyrata, L. 
Rocky or sandy soil; frequent in all parts of the State. 
A. hirsuta (L.), Scop. 
Rocky places, northern and middle counties; not common. 
Sussex :—Austin, Garber; Newton—Hollick ; Sparta—Britton. 
Warren: Below Phillipsburg—Porter. Passaic: Ringwood— 
Britton. Mercer: Near Hightstown—Willis. 
A. leevigata (Muhl.), Poir. 
Mercer: Near Trenton—L. Schumacher. Union: On First 
Mountain, north of Plainfield—Tweedy. Hunterdon: Brook- 
ville—Best. Essex: First Mountain—Rusby; and frequent 
in rocky places in the northern counties, 
A. Canadensis, L. Sickle Pod. 
‘Hunterdon: Rocky woods, frequent—Best. Mercer: Near 
Trenton, not common—E. Volk. Gloucester: On a hillside 
two miles northwest of Mullica Hill—B. Tssieesy frequent in 
the northern parts of the State. 
A. GLABRA (L.), Bernh. (A. perfoliata, Lam.) Tower Mustard. 
Sussex: Near Hamburg—Britton. Passaic:. West Ruther- 
ford—Schuh. Cape May: Near the landing on the bay side— 
Commons. Adventive or fugitive from Europe or the north- 
west, 
