Additions to the Flora of WasJiivgton. 131 



1211. Tsuga Canadensis Carr. 

 Accotink Creek, Virginia. William Hunter. 



FILICES. 

 1216. Pellaea atiopuipurea Link. 



Causeway between Analostan Island and the Virginia sliore. 

 E. S. Burgess. Rock Creek, between Pierce's Mill and IJroad 

 Run. ({.W.Oliver. 



1219. Woodw^aidia angustifolia Sni. 



Piney Branch woods. Near the Reform School. Lester F. 

 Ward and the author. 



1223. Asplenium angustifoliuni Mirhx. 



Above Blagden's Mill, on the west bank of Rock Creek. G. 

 W. Oliver. 



1226. Camptosurus rhizophyllus Link. 

 ]Mount ^'ernon. AMlliam Hunter. 



1239. Dicksonia pilosiuscula Willd. 



Abundant along Rock Creek. Lester F. \\'ard and the author. 



1245. Botiychium ternatum Swz., var. dissectum Millde. 



In the wood near Aqueduct Bridge, on the Virginia shore. 

 The author. 



1247. Ophioglossum vulgatum L. 



Very plentiful in woods near Bennings. P. Gauges. A single 

 si)ecimcn collected near the Reform School. Lester F. Ward 

 and the author. 



LYCOPODIACE,^. 

 *1248/;. Lycopodium alopecuroides L. 



Sphagiunn swamp, Henson's Creek. G. W. Oliver. 



I248e. Lycopodium annotinum L. 



In the same locality as the preceding. G. W. Oliver. 



17-BiOL. Soc, Wash., Vol. VII, 1892. 



