42 Holm Additions to the Flora of Washington. 



* 11266. A hybrid between Eatonia Pennsylvanica Gr. and Trise- 



tum palustre L. 



Has been described by Dr. George Vasey,* who found several speci 

 mens of this peculiar form in a low meadow on the banks of Hunting 

 Creek, near where it empties into the Potomac River, a mile below Alex 

 andria, Va. 



1136. Poa sylvestris Gr. 



High Island; on the Virginia shore of the Potomac near Aqueduct 

 Bridge. The author. 



1137. Poa flexuosa Muhl. 



The Zoological Park. The author. 

 1143. Eragrostis Purshii Schrad. 



Abundant along the railroad track between University Station and 

 Terra Cotta. The author. 

 1153o. Bromus tectorum L. 



Near the Navy Yard. The author. 

 1158. Uniola gracilis Michx. 



Rock Creek. G. H. Hicks. Several places in the woods between Silver 

 Hill and Surattsville. The author. 

 1172. Phalaris Canariensis L. 



Waste grounds south of the Bureau of Engraving. G. H. Hicks. 

 1172a. Phalaris arundinacea L. 



Ditch near Bates Road. The author. 

 1179. Panicum proliferum Lam. 



Very common along the streets in Brookland. The author. 

 *1180a. Panicum capillare L., var. minima Engelm. 



Common on dry, sandy soil in Brookland ; near Silver Hill. The 

 author. 



* 1183a. Panicum commutatum Schultes. 



Extension of Kenesaw Avenue, Rock Creek. G. H. Hicks. Takoma ; 

 Four Mile Run. T. H. Kearney, Jr. Common in Brookland ; near 

 Surattsville ; Terra Cotta. The author. 



1185. Panicum microcarpon Muhl. 



Takoma. T. H. Kearney, Jr. Brookland. The author. 



1186. Panicum viscidum Ell. 



Brookland ; Terra Cotta swamp near the railroad track. The author. 



1187. Panicum scoparium Lam. 

 Great Falls. F. L. Scribner. 



1187. Panicum sphaerocarpon Ell. 



Bunker Hill ; North Brookland. The author. Takoma. T. H. Kear 

 ney, Jr. 



* 1188a. Panicum ramulosum Michx. 



Sphagnum swamp near Takoma. F. L. Scribner and T. H. Kearney, Jr. 



* Botanical Gazette, vol. ix, 1884, p. 165. 



