42 Holm — Additions to tlie 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 pecuHar form in a low meadow on the banks of Hunting 

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

 andria, Ya. 



1136. Poa sylvestris Gr. 



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

 Bridge. The author. 



1137. Poa flexuosa Mnhl. 



The ZoiUogical Park. The author. 

 1143. Era^rostis Purshii Schrad. 



Abundant along the railroad track between University Station and 

 Terra Cotta. The author. 

 1153rt. Bromus tectoram L. 



Near tlie Xavy 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. 

 W12(i. Phalaris arundinacea L. 



Ditch near Bates Road. The author. 

 1179. Panicum proliferum Lam. 



Yery common along the streets in Brookland. The author. 



* llSOrt. Panicum capillare L., var. minima Engelm. 



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

 author. 



* 1183«. 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 auth(ir. 



1185. Panicum microcaipon ^Muhl. 



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



1186. Panicum viscidum Ell. 



Brookland ; Terra CV>tta swamp near the railroad track. The author. 



1187. Panicum scoparium Lam. 

 Great Falls. F. L. Scril)ner. 



1187(f. Panicum sphaerocarpon Ell. 



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

 ney, Jr. 



* 1188(1. Panicum ramulosum Michx. 



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



* Botanical Gazette, vol. ix, 1884, x>- 165. 



