46 Annals of the Carnegie Museum. 



* F. Americana (Porter). American wood strawberry. 



A form with "white" fruit from Moon Township seems to be- 

 long here. 



POTENTILLA Linnreus. 



'<- P. arguta Pursh. Tall cinquefoil. 



Robison Township, near Groveton, July 20, 1898. 

 Moon Township, Barns' Farm, near Stoop's Ferry, August, 

 1899. 



* P. Monspeliensis Linn?eus. Rough cinquefoil. 

 J^. Norvcgica Linnaeus. 



■j- P. intermedia Linnaeus. Downy cinquefoil. 



* P. recta Linnceus. Rough fruited cinquefoil. 



Allegheny, Campus Western University of Pennsylvania, August, 

 1900. 



-■- P. Canadensis Linnteus. Five-finger. 



* P. pumila Poiret. Dwarf five-finger. 



AGRIMONIA I.inn^us. 



'^- A. hirsuta Muhlenberg. Common agrimony. 



A. R II pa f aria Linnaeus. 



=•' A. parviflora Solander. Small-flowered agrimony. 



SANGUISORBA Linnajus. 



FOTERIUM LinniEus. 



'•' S. Canadensis Linnaeus. Canadian burnet. 



Harrison Township, Little Bull Creek, near Tarentum 'MVater- 

 works," August 30, 1892, Dr. A. Koenig. August, 1896, J. A. 

 Shafer. 



