106 GEOLOGICAL SURVEY OF NEW JERSEY. 
M. ambiguum, Nutt. 
Monmouth: In water, rare—Knieskern; Keyport—Lock- 
wood. Burlington: Pemberton—Canby. Gloucester: West- 
ville—C. E. Smith. Camden :—Martindale. 
Var. capillaceum, T. & G. 
Atlantic: Egg Harbor City—Parker; Landisville—C. A. 
Gross. Camden: Gloucester—Diffenbaugh. 
Var. humile (Raf.), B.S. P. (Var. limosum, Torr.) 
Gloucester :—C. E. Smith. Monmouth: Freehold—Lock- 
wood. 
M. tenellum, Bigel. 
Ocean: Sandy swamp at Point Pleasant—Prof. E. H. Day, 
1882. 
CALLITRICHE, L. 
Water-starwort. 
C. Austini, Engelm., 
On shaded damp soil. Bergen: Closter—Austin; Palisades 
—Leggett. Passaic: Frequent along wood roads near Hewitts 
—Britton. Mercer: Trenton—Apgar. Regarded by Hegel- 
meier as a variety of the South American C. deflexa. 
C. verna, L. 
In streams. Bergen: Closter—Austin. Warren: In the 
Delaware above Flatbrookville—Britton. Hunterdon: Rose- 
mont—Best. Apparently scarce, 
C. heterophylla, Pursh. 
In ponds and brooks; common. 
Var. linearis (Pursh), Austin. 
Bergen: Immersed and forming large floating masses in the 
Hackensack River—Austin, Hunterdon: Rosemont—Schuh. 
MELASTOMACE. 
RHEXIA, L. 
ae ae Meadow-beauty. 
R. Virginica, L. 
In sandy swamps. Bergen: Closter—Austin. Union: 
Plainfield—Tweedy. Hunterdon: Stockton, frequent—Best ; 
and common in the middle and southern counties. 
