Jknnings: Flora of Allegheny County. 477 



Carex crinita Lamarck. 



C. C. Mellor. Swamp near P. & L. E. R. R., Robinson Town- 

 shij), June 21, iScSq. 

 Carex laxiflora patulifolia ( Dewey ) Carey. 



South Fayette Township, near Hastings, Rev. S. ^^'. Knight, 

 May 15, 1900. 

 Carex lupulina Muhlenberg. 

 Not uncommon. 



Carex pennsylvanica Lamarck. 



A common spring-llowering, hillside species. 



Carex scoparia Schkuhr. 



linishton, P. R. R., C. C. Mellor, June 18, 1889. 

 Carex torta IJoott. 



S(iuaw Run, J. A. Shafer, April 27, 18S4. 



Cyperus strigosus Linnceus. 



Haight's Run, Pittsburgh, J. A. Shafer, May, 18S3. 

 Salix alba Linnaeus. 



Coleman's Run, Pittsburgh, Gustave Guttenberg, May 3, 1885, 

 Originally from Europe, but is apparently becoming locally natu- 

 ralized. 

 Salix cordata INIuhlenberg. 



Not uncommon. 

 Salix fragilis Linnceus. 



Salt-works, Twenty-third Ward, Pittsburgh, Gustave Guttenberg, 

 May II, 1895. 

 Fumaria officinalis Linnaeus. 

 Adventive from Euroj^e. 



Arabis glabra (Linnaeus) Bernhardi. 



Ross Station, O'Hara Township, C. C. Mellor, July 16, 1885. 



Fragaria virginiana Duchesne. 

 Not uncommon. 



Lespedeza procumbens Michaux. 

 Xot uncommon. 



Meibomia canadensis TLinnLcus) Kuntze. 



Six-Mile Island, O'Hara Township, S. N. Rhoades, August 9, 

 1898. 



