26o REPORT OF NEW JERSEY STATE MUSEUM. 



Eleocharis engelmanni Steud. Engelmann's Spike-rush. 



Eleccharis engelmanni Steud, Syn. PI. Cyp. 79. 1855 [St. Louis, Mo.]. 

 Eleocharis ovaki var. engelmanni Britton Jour. N. Y. Micros. Soc. V. 103. 

 1889.— Britton 262. 



Reported in our region only from Kaighns Point. Occasion- 

 ally in the northern counties. 

 Fr. — Mid-June to late August. 



Middle District. — Blackwoodstown Turnpike (from Chas. E. Smith's Her- 

 barium and doubtless the specimens reported on his authority in Britton's 

 Catalogue from "Kaighns Pt."). 



Eleocharis palustris (L.). Creeping Spike-rush. 



Scirpiis palustris Linnaeus, Sp. PI. 47. 1753 [Europe]. 

 Eleocharis palustris Keller and Brown 62. 



Wet swamps; rather frecjuent in the northern counties, rare 

 and local in the Middle and Coast districts. The record in Brit- 

 ton's Catalogue for Gloucester Co. belongs to the next. 



Middle District. — New Egypt. 

 Coast Strip. — N. Wildwood. 



Eleocharis glaucescens Willd. Glaucous Spike-rush. 

 PI. XVIL, Fig. II. 

 Scirpus glaucescens Willdenow, Enum. 76. 1809 [North America]. 

 Eleocharis palustris var. glaucescens Britton 262. 



Common in swamps in the Northern, Middle and Coast dis- 

 tricts to Cape May. 



There seem to be two forms of this species as pointed out to 

 me by Mr. Bayard Long. Those marked with an asterisk have 

 a j^'ellow achene with a nearly sessile truncate beak, while in the 

 others the achene is brown with an acute pedicilled beak. 



Fl. — Mid-June to late August. 



Middle District. — Delanco, Lindenwold, Medford, Tomlinson's. 



Coast Strip.— Deal* Pt. Pleasant, Manahawkin,* Spray Beach (L), Bar- 

 negat City (L),* Surf City (L),* Ship Bottom (L),* St. Albans (L), Mays 

 Landing (T), Piermont,* Wildwood (S), Cold Spring. 



Cape May. — Dias Creek,* Cape May.* 



Eleocharis acicularis (L.). Needle Spike-rush. 



PI. XVIL, Fig. 15. 



Scirpus acicularis Linnaeus, Sp. PI. 48. 1753 [Europe]. 

 Eleocharis acicularis Knieskern 34. — Willis 68. 

 Scirpus trichodes Barton Fl. Phila. L 32. 1818. 



