172 CYPERACEAE 



12. Psilocarya Torr. 



1. P. nitens (Vahl) Wood. In wet soil: L. I., Cape May, and 

 Del. to Fla. and Tex. Rare in our area. 



Known only from near Wading River, L. I., and Cape May, N. J. 



13. Mariscus (Hall.) Zinn. [Cladium P. Br.] 



1. M. mariscoides (Muhl.) Kuntze. In marshes: N. S. to Ont. 



and Minn. 



Common throughout in coastal marshes, decreasing inland, but at 

 North Pond, Westchester Co., N. Y. 



14. Scleria Berg. 



Spikelets in terminal or terminal and lateral clusters. 



Achene smooth. I. 5. triglomerata. 

 Achene reticulated or regularly rugose. 



Culms erect or ascending; achene not hairy. 2. 5. reticularis. 



Culms spreading; achene hairy. 3. 5. setacea. 



Achene papillose. 4. S. pauciflora. 



Spikelets interruptedly glomerate-spicate. 5. 5. verlicillata. 



i . S. triglomerata Michx. (S. triglomerata minor Britton. S. minor 

 Stone). In meadows and thickets: Vt. to Ont. and Wise, 

 south to Fla., Ark. and Tex. 



Scattered throughout the range, more common southward and 

 less common inland than elsewhere. 



2. S. reticularis Michx. In moist meadows: eastern Mass. to 



Fla. and in northern Ind. 



N. Y. Known only from Wading River and along the south side 



of L. I. 

 N. J. Rare in Ocean, Atlantic and Cape May counties, in or near 



the pine-barrens, unknown elsewhere. 

 Pa. Tinicum, Delaware Co. 



A scattered species, little known as to distribution features. 



3. S. setacea Poir. (S. Torreyana Walp. 5. reticularis pubescens 



Britton). In moist soil: Conn. (?), L. I. to Fla., Ind., Mo., 

 Tex. and Mex. Also in Cuba and Porto Rico. 

 N. Y. Rare on the south side of L. I., and at Ronkonkoma. 

 N. J. Lakehurst, Ocean Co., increasing southward. 



