Additions to the Flora of Washington. 123 



PLANTAGIXE.E. 



745. Plantago Patagonica Jacq., var. aristata Gray. 

 Woodley Park. G. B. Sudworth. 



FOLYfWyACEM 



773«. Polygonum tenue Miclix. 

 Lanier Heights. E. S. Burgess. 



*775rt. Polygonum Haitwrightii Gray. 



Potomac tlats just below Outlet r.ock ; not seen in flower. F. 

 V. Coville. 



ARISTOLOCHIA CE.K 



783. Aristolochia Serpentaria L. 



Seven Tjoeks. E. S. Burgess. 0])ser\"ed in several ]'»laces in 

 woods, but always scattered. Lester F. Ward, G. W. (31iver, and 

 the author. 



LORANTHACE.E. 



794. Phoradendron flavescens Xutt. 



Growing u])on Acer rubrum, Qiiercus tinctoria, and Q. coccinea. 

 Woodlawn, near Mount Vernon, Virginia. William Hunter. 

 On Acer rulyrum, five miles west of Falls Church, Virginia. Les- 

 ter F. Ward. 



EUPHORBTACE.E. 



800. Euphorbia commutata Eng. 



Cystopteris Run. E. S. Burgess. Virginia shore of the Poto- 

 mac above Aqueduct Bridge. The author. 



801. Phyllanthus Carolinensis Walt. 

 Rediscovered in Corcoran Woods. G. W. Oliver, 



URTICACE.E. 



816. Parietaria Pennsylvanica Mulil. 



In a thicket between Aqueduct Bridge and Chain Bridge, 

 near the Canal road. Lester F. Ward and the author. 



in— Bioi.. 8(>r., W.vsH., Vor,. VII, 1892. 



