CYPERACEAE I 59 



Conn. Rare along the coast and at Salisbury. 



N. Y. Rare in Suffolk, Nassau and Dutchess counties, not reported 



elsewhere. 

 N. J. Rare and local in Burlington, Monmouth and Ocean 



counties, increasing southward, especially in the pine-barrens; 



also in Sussex Co. 



A rare and scattered species, more common in the pine-barrens 

 than elsewhere. 



4. E. flaccida (Rchb.) Urban (E. ochreata Steud.). In wet soil: 



N. J. and Del. to Fla. and Miss. Also in tropical America. 

 Known only from Cape May Co., N. J., a region at about sea- 

 level, with underlying Tertiary sands and gravels and with a grow- 

 ing season of about 220 days. 



5. E. olivacea Torr. In wet soil: Me. to S. Ont., Mich., Pa., S. 



Car. and Kan. 



Throughout the range, more common along the coast and less 

 common in the mountains than elsewhere. 



6. E. ovata (Roth) R. & S. (E. diandra Wright). In wet soil: 



N. B. to Ont., Mich, and Conn. 



Conn. Apparently confined to the valley of the Connecticut 



River. 

 N. Y. Westchester Co. 



Tertiary, 0: Cretaceous, o: Older Formations, rare and local. 

 Not south of the moraine. 1 17-179 days. Sea level-3,800 ft. 



7. E. obtusa (Willd.) Schultes. In wet places: Cape Breton to 



Minn., Br. Col., Fla. and Tex. 



Throughout the range except the pine-barrens, there intrusive 

 or following tidal streams. 



8. E. Engelmanni Steud. In wet soil: Mass. to Ind., S. Dak., 



Wash., N. J., Tex. and Cal. 



Conn. Wethersfield and West Hartford. 



N. Y. Rare in the Bronx; Jamaica, Valley Stream and Rockville 



Centre, L. I. 

 N. J. Rare in Warren, Hunterdon and Camden counties, all near 



the Delaware River. 

 Pa. Monroe, Bucks and Chester counties. 



A rare and rather inexplicably scattered species. 



9. E. palustris (L.) R. & S. (E. glaucescens (Willd.) Schultes). 



In ponds, swamps and streams: Lab. to Br. Col., Fla., Tex. 

 and Cal. 



