478 Annals of the Carnegie Museum. 



Trifolium procumbens Linna.nis. 



Riverview Park, Allegheny City, Crace E. Kinzer, September, 

 1902. 

 Oxalis cymosa Small. 



Ai)[)arently not uncommon. 

 Hypericum ascyron Linnaeus. 



Logan's Ferry, Rev. S. Knipe, July 16, 1869. 

 Helianthemum canadense (Linnreus) Michaux. 



Ross Station, W. P. R. R., Rev. S. W. Knipe, July, 1869. 

 Viola cucullata Alton. 



Occasional in moist situations. 

 Viola hastata Michaux. 

 Phlox paniculata Linnaeus. 



Rather common. Escaped from cultivation. 

 Mentha arvensis Linnaeus. 



Bank of the Allegheny River below Sharpsburg, Dr. A. Ziegler, 

 August 26, 1889. 

 Physalis heterophylla Nees. 



Allegheny Cemetery, Pittsburgh, J. A. Shafer, August 31, 1884. 

 Physalis pubescens Linnaeus. 



Pittsburgh, Rev. S. W. Knipe, September, 1869. 



Galium aparine Linn^us. 



Powers Run, O. E. Jennings, May 25, 1904. 

 Galium concinnum I'orrey & Gray. 



Low woods near Stoops Ferry, J. A. Shafer, June, 1889. 

 Galium triflorum Michaux. 



Roadside near Sheridan, Dr. Adolph Koenig, .\ugust 10, 1897. 

 Nabalus trifoliatus Cassini. 



Not uncommon. 

 Taraxacum erythrospermum .Andrzejowski. 



Common everywhere. 

 S])ecies from .Vllegheny ('ounty in the Pennsylvania Herl)arium of 

 the Carnegie Museum and so reported in the " Preliminary List," but 

 which are found to have been identified incorrectly : 



Physalis virginiana intermedia Rydberg. 



Edgevvood, C. C. Mellor. Not P. pJiiladclphica Lamarck as re- 

 ported in the " Preliminary List." 



