Additions to the Flora of Washinr/ton. 39 



982. Commelina hirtella Vahl (C. ereda L) 

 Bennings Bridge. The autlior. 



*982((. Commelina communis L. 



Magnolia Run, Rock Creek Park. G. H. Hicks. 



983. Commelina Virginica L. 



Flats of the Potomac under Cliain Bridge. The author. 

 985. Xyris flexuosa Muhl. 



Along the railroad track near Carlins, Va. G. H. Hicks. Sphagnum 

 swamps in the woods near Surattsville. Tlie author. 

 988a. Cyperus aristatus Rottb. {C. iiifle.rus MuliL). 



]Muddy bottom of Potomac, opposite mouth of Cabin John Run, Md. 

 G. IT. Hicks. 

 998. Cyperus retrofractus Torr. 



Soutii Brookland. Tlie author. 

 *999a. Kyllinga pumila Michx. 



Holmead swamp. ]\I. B. AVaite. 

 * 1000a. Hemicarpha subsquarrosa Nees. 



Potomac flats opposite the Ninth lock, Md. G. H. Hicks. 

 *1004rt. Eleocharis intermedia Schult. 



Opposite the Eighth lock, Md. G. H. Hicks. 

 1007. Scirpus planifolius Muhl. 



On drj', grass}' slopes in the Zoological Park. The author. 

 1010. Scirpus debilis Pursh. 



Potomac flats opposite the Ninth lock, ]Md. G. H. Hicks. Sphagnum 

 swamp near Silver Hill. The author. 

 1017. Eriophorum Virginicum L. 



Sphagnum swamp near Surattsville. The author. 



1019, Fimbristylis capillaris Gr. 



Along the railroad track near Carlins, Va. G. H. Hicks. North 

 Brookland. A. J. Pieters. 



1020. Rhyncospora alba Vahl. 



Sphagnum swamp near Surattsville. The author. 

 1021a. Rhyncospora cephalantha Gr. " 



Common in swamps around Surattsville and Silver Hill. The author. 



1024. Scleria pauciflora Muhl. 



Grassy knoll near Aqueduct Bridge on the Virginia shore of the Poto- 

 mac. The author. 



1025. Carex polytrichoides Aluhl.* 



Magnolia Run, Rock Creek Park ; Sphagnum swamp near Suratts- 

 ville. The author. 



1026. Carex Willdenovii Schk. 



Bunker Hill ; Corcoran' s woods. The author. 



* Professor Charles F. Wheeler has kindly revised the entii'e collection 

 of the genus Carex recorded here. 



