Shafkr : Vascui-ak Flora of Ai.lkghkny County. 49 



SAXIFRAGACE.E i:»unioi-ticr. 

 SAXIFRAGE FAMILY. IV-39. 

 SAXIFRAGA I.inn:i.-us. 

 ■'•!=■ S. Virginiensis Michaux. Early saxifrage. 



^ S. Pennsylvanica I>inna2us. Swamp saxifrage. 



Pine Township, swamp west of Wexford. June, 1896. 



TIARELLA linmeus. 



* T. cordifolia Linnreus. Coolwort. 



Pittsburgh, " Homewood Hollow," May, 1896. 



HEUCHERA Linnaeus. - 



* H. Americana Linnaeus. Alum-root. 



MITELLA Tournefort. 



* M. diphylla Linnoeus. Mitrewort. 



CHRYSOSPLENIUM Linnaeus. 



* C. Americanum Schwcinitz. Water carpet. 



Harrison Township, borders of Little Bull Creek, May 3, 1893, 

 Dr. Adolph Koenig ; May, 1900, J- A. Shafer. 



HYDRANGEA Linncxus. 

 '<- H. arborescens Linnaeus. Wild hydrangea. 



PHILADELPHUS Linnaeus. 



* P. coronarius Linn?eus. Mock orange. 



Occasionally escaped from gardens. 



