256 GEOLOGICAL SURVEY OF NEW JERSEY. 
Var. spongiosa, Engelm. 
Camden : In tidal mud—Parker. 
S. heterophylla, Pursh. 
Camden: Frequent in wet places—Canby. Hunterdon: 
Bull’s Island, Delaware River—Porter. 
Var. elliptica, Engelm. 
Camden: Delaware River—Martindale. 
‘ 
Var. angustifolia, Engelm. 
Camden: Delaware River—Martindale. Passaic: Outlet of 
Greenwood Lake—Britton. 
Perhaps both these varieties should more properly be consid- 
ered as forms. 
S. graminea, Michx. 
Morris: Swamps, Lake Hopatcong—Rusby. Passaic : 
Cooper—Rudkin; Paterson—Leggett. Sussex: Pond near 
Branchville—Britton. 
8S. natans, Michx. (S. pusilla, Nutt.) 
Camden: Shores of the Delaware River—Parker. Mercer: 
Trenton—Martindale. Bergen: Hackensack streams—Torrey 
Catalogue; Fairview—Austin. Passaic: Passaic—Leggett. 
NAIADACEZ. 
(List revised by Rev. Thomas Morong.) 
TRIGLOCHIN, L. 
yee Arrow-grass. 
T. maritimum, L. 
Monmouth: Wet grounds. Not common—Willis. Not 
recently collected, nor seen by me from the State. 
SCHEUCHZERIA, L. 
‘ Scheuchzeria. 
8. palustris, L. 
In bogs. Morris: Budd’s Lake—Porter. Camden: Longa- 
coming—C,. E. Smith. 
