Additions to Hie Flora of Washington,. 119 



595. Asclepias variegata L. 



Terra Cotta. Reform School. E. S. Burgess. Fort Myer. 

 The author. 



596. Asclepias quadrifolia Jacq. 

 Chama)lirium Run. E. S. Burgess. 



597. Asclepias verticillata L. 



Cascade Run. E. S. Burgess. Rock Creek. Great Falls. 

 Lester F. Ward and the author. 



599. Enslenia albida Nutt. 



Abundantly flowering under Chain Bridge, in the middle of 

 July. Lester F. Ward and the author. 



600. Gonolobus obliquus R,. Br. 



Bluffs of the Potomac, at two localities between M. E. Church 

 and Chain Bridge. H. W. Henshaw and E. S. Burgess. 



LOGANIACEJE. 

 *601a. Spigelia Marilandica L. 



In a moist thicket in the vicinity of Mount Vernon ; flower- 

 ing in June, 1890. G. B. Sudworth. 



GENTIANACEJE. 

 * 602a. Sabbatia gracilis Salisb. 



Low meadow east of Falls Church. C. Kinsley. 

 604. Gentiana Andrewsii Griseb. 



Flats between Aqueduct and Chain bridges. Lester F. Ward 

 and the author. Terra Cotta Swamp. Lester F. Ward. 



607. Obolaria ,Virginica L. 



Rock Creek. G. W. Oliver. Several places in North Brook- 

 land. The author. 



PO LEMON I A CEsE. 



608. Phlox paniculata L. 



Great Falls. Lester F. Ward and the author. 



