122 Holm Additions to the Flora of Washington. 



*671a. Veronica hederaefolia L. 



Smithsonian grounds ; in flower in the last week of April. 

 H. M. Smith. 



672. Buchnera Americana L. 



East of Cabin John Bridge. H. W. Henshaw. Terra Gotta, 

 Lester F. Ward and the author. 



675. Gerardia quercifolia Pursh. 

 Fort Myer. H. W. Henshaw. 



676. Gerardia purpurea L. 



A white-flowered variety, collected near Woodlawn, Fairfax 

 County, Virginia. William Hunter. 



OROBANCHEM. 



681. Orobanche minor L. 



Mount Vernon Square, near Terra Cotta. E. S. Burgess. 

 Piney Branch woods. The author. 



682. Aphyllon uniflorum Gray. 



ChamaBlirium Run. E. S. Burgess. Insane Asylum woods. 

 Near Aqueduct Bridge, on the Virginia shore. The author. 

 Bull Run River, Virginia. Rock Creek. H. W. Henshaw. 



LABIATJE. 



713. Pycnanthemum muticum Pcrs. 



Queen's Chapel road and near Fort Myer. H. W. Henshaw. 



725. Lophanthus nspetoides Bth. 

 Fort Bennett. H. W. Henshaw. 



*734a. Brunella laciniata L. 



South bank of the Potomac, in a pasture a few hundred yards 

 west of the uppermost steamboat landing above Aqueduct 

 Bridge; flowering in the second week of July. F. V. Covillc. 



733a. Lamium purpureum L. 



Agricultural grounds. G. B. Sud worth. 



