gfeeli' — Additions fo tin Flora of IVd.^hiiKjfon. VS 



631. Ipomoea hederacea .lacci. ( /. Xil, of Ward's Catalogue.) 



Corn field on the way to Plummer's Island, August 24, 18!)7: also Great 

 Falls, Jackson City, and Chain Ih'idge. 

 635. Convolvulus spithamaeus L. 



Suitland road and south Arlington, near Cowdon"s station. 

 6401'^. Cuscula polygonorum Engelm. (C. chhn-ncaypa of Ward's 

 Flora.) 



Mr. T>. TT. Dewey colleeled this plant near Four Mile Riui in October, 

 1S'.»S, and he has so determined specimens collected by me on the 

 Potomac Hats, August :;. litoo. 



609. Phlox maculata Ij. 



Swampy places in south Arlington: low ground north of Ki\erdale. 



614a. Hydrophyllum Canadense I.. 



Ravine at Chain IJridge station, August 1, I'.MMi, in fruit; a limited 

 number of specimens. 

 617a. Phacelia dubia (L.) Small. 



High Island, and at various points in the Sc\ en Locks region. 



616. Phacelia Purshii liuckl. 



Plummer's Island, May :!1, 1SU7. 

 629ffl. Heliotropium Europaeum l>. 



ytreel in .Mexandria, Septeml)er 2S. ]Si)7. 



*627fr. Asperugo procumbens L. 



Dumping ground, along the river front at various [loinls. May 11 and 

 May 2S, 1S!»S. 



628a. Lycopsis arvensis L. 



A single plant in waste ground, V street between Seventeenth and 

 Eighteenth streets, June 1(5, 1897; also in the previous year, the same 

 individual. 

 •"73i«. Scutellaria incana Muhl. 



Near the canal at Chautauciua, August 17, 18i)(), then past its prime; 

 not since met with. 

 732a. Scutellaria parvula Mich.x. 



Linnaean Hill road, May 18, 18i)i». 



729. Scutellaria saxatiiis Kichl. 



Rediscovered on the Virginia shore about a mile above Chain Bridge, 

 October 7. 1900: seen at Harper's Ferry the previous September. 

 *735«- Dracocephalum parvitlorum Nutt. 



Fugitive specimens were collected on U street in 189(5. 

 713. Koellia mutica (Mich.x.) Britton. 



Paint Branch bottom, near Jierwyn, September 3, 1900; the only time 

 it has been seen by me. I have collected all the other species mentioned 

 in Ward's Flora. 



*707a. Lycopus Sherardi n. sp. (/.. Virginicus Michx. and manj' 

 authors, at least in part; not Linnaeus). 



Perennial by filiform branching stolons bearing pairs of leaves \ inch 



