Shafer : Vascular Flora of Allegheny County. 76 



RHODODENDRON Linnaeus. 



* R. maximum Linneeus. Great laurel. 



AZALEA Linnaeus. 



* A nudiflora Linnceus. Wild honeysuckle. 



* A. arborescens Pursh. Tree azalea. 



PYROLACE^ Agardh. 



WINTERGREEX FAMILY. V-2. 



CHIMAPHILA Pursh. 



* C. umbellata (Linn^Eus). Pipsissewa. 



* C. maculata (Linnaeus). Spotted wintergreen. 



PYROLA Linnaeus. 

 f P. chlorantha Swartz. Greenish-flowered wintergreen. 



* P. elliptica Nuttall. Shin-leaf. 



* P. rotundifolia Linnaeus. Round leaved wintergreen. 



MONOTROPACE^ Lindley. 

 INDIAN-PIPE FAMILY. V-3. 

 MONOTROPA Linnajus. 

 ■-i^ M. uniflora Linnaeus. Indian-pipe. 



HYPOPITYS Adanson. 



* H. Hypopitys (Linnaeus). Pine-sap. 



Moon Township, McKee tract, July, 1887. 



