54 Steele — Additions to tJie Flora of Washington. 



*997rt. Cyperus cylindricus (Ell.) Britlon. 



Near Kenihvorth Swamp, September 18, 1897: Bennings, on the flats, 

 July 15, 1899. 



ioo3ffl. Eleocharis oHvacea Torr. 

 One mile north of Berwyn. May 6, 1900. 



*ioo6«. Eleocharis tuberculosa (Michx.) Roem. & Schult. 



Brightwood Swamp, July 24, 1897; Howard Hill Re.servoir, very 

 abundant, July 2, 1898. 

 *ioo3i. Eleocharis capitata (L.) R. Br. 



Howard Hill Reservoir, August 26, 1896; July 22, 1898. 



1002. Eleocharis obtusa Schultes. 



A clump ol' this species (following Mr. Fernald's revision) with culms 

 over a foot-and-a-half tall was found in water at Four Mile Run. 

 *ioo2i. Eleocharis obtusa jejuna Fernald. 



Near Kenihvorth. 

 ioo2ffl. Eleocharis Engelmanni Steud. 



Damp path near Silver Hill, August 18, 1897: flats near Pennsylvania 

 Avenue Bridge, June 29, 1897; also in the Howard Hill Reservoir. 

 *ioo3«. Eleocharis palustris R. Br. (Not of Ward's catalogue.) 



Swampy margin of river, opposite Alexandria, July 1, 1899. Not seen 

 elsewhere. 



1003. Eleocharis glaucescens (Willd.) Schult. 



River swamp. Aqueduct Bridge, etc. Common. This is dovibtless 

 the E. palustris of Ward's catalogue. 



1019. Stenophyllus capillaris (L.) Britton. 



Specimens from low ground at Bennings had innumerable culms, many 

 of them fifteen inches long. 



1010. Scirpus debilis Pursh. 



Bladensburg, near Terra Cotta; Chautauqua, across the canal; Sovith 

 Arlington. 



1012. Scirpus sylvaticus L. 



Lakeland at outlet of Lake, July 11, 19t)0. 



iooo«. Hemicarpha micrantha (Vahl) Britton. 



Chain Bridge, Virginia side, August 19, 1900, a few specimens. Not 

 seen elsewhere. 



i02iZ>. Rynchospora corniculata macrostachya (Lam.) A. Gray. 

 Eastern P>ranrh swamp, on both sides. 



1020. Rynchospora alba (L.) Vahl. 



Brightwood swamp, in small quantity; Painl Branch swamps, 

 abundant. 

 1020a. Rynchospora gracilenta A. Gray. 



Swamp one mile north of Berwyn, July 28, 1900. 

 \oiob. Rynchospora cymosa Ell. 



Kenilworth swamp, June 20, 1898, a small amount. Swamp west of 

 Anacostia road north of Beaver Dam Branch, August 5, 1898; Lakeland 



