262 GEOLOGICAL SURVEY OF NEW JERSEY. 
DULICHIUM, Pers. 
: Dulichium. 
D. spathaceum (L.), Pers. 
Borders of ponds and swamps. Common throughout the State. 
HLEHOCHARIS, R. Br. 
oye Spike Rush. 
BH. Robbinsii, Oakes. 
Streams and ponds in the pine barrens. Burlington: Quaker 
Bridge—Canby. Atlantic, and Cape May: Dennisville—Parker. 
Camden: Longacoming—C. E. Smith. Ocean: Forked River 
—Britton. 
E. mutata (L.),R.&8. (#. quadrangulata, R. & §.) 
Cape May :—J. B. Brinton ; Johnson’s Pond, Dennisville— 
Parker. Sussex: Swartswood Lake—Porter. 
BH. tuberculosa (Michx.), R. & S. 
Monmouth and Ocean: Wet, sandy places not far from the 
sea-coast, common— Knieskern; and frequent southward, in 
the pine barrens. 
BH. ovata (Roth), R.&8. (FE. obtusa, Schult.) 
In muddy places. Common throughout the State. 
Var. Engelmanni (Steud.), Britt. 
Hunterdon: Kingwood—Best, 1886. Camden: Kaighn’s 
Point—Burk. Morris: Long Hill—Leggett. 
B. olivacea, Torr. 
In wet places. Bergen: Closter—Austin ; abundant on Hack- 
ensack meadows—Leggett; Rutherfurd—Schuh. Middlesex: 
South Amboy—Britton. Ocean and Monmouth: Common— 
Knieskern. Gloucester: Rare—C. E. Smith. 
E. palustris (L.), R. & 8. 
In wet places. Frequent throughout the northern counties. 
Var. glaucescens (Willd.), Gray. 
In wet places. Common throughout the State. 
E. rostellata, Torr. 
Bergen: Abundant in the Hackensack marshes— Leggett. 
Atlantic: Atlantic City, and Cape May: Dennisville—Parker. 
