Shafer : Vascular Flora <ji- Allkgheny County. 87 



LABIATE H. Jussieu. 

 " MINT FAMILY. V-25. 

 ISANTHUS Michaux. 



* I. brachiatus (Linnaeus). False pennyroyal. 

 /. coiruleus Michaux. 



TEUCRIUM Linnjeus. 



* T. Canadense Linnceus. Wood sage. 



COLLINSONIA Linn^us. 



* C. Canadensis Linnaeus. Stone-root. 



MENTHA Linncsus. 



* M. rotundifolia (Linnaeus). Round-leaved mint. 



Old gardens ; occasionally spontaneous. 



* M. spicata Linnasus. Spearmint. 

 M. viridis Linnaeus. 



* M. piperita Linnjeus. Peppermint. 

 II M. crispa Linnaeus. Curled mint, 

 f M. arvensis Linnaeus. Field mint. 



* M. Canadensis. Wild mint. 



LYCOPUS Linnaeus. 



* L. Virginicus Linnaeus. Bugle-weed. 



* L. Americanus Muhlenberg. Cut-leaved water horehound. 

 L. sinuattis Elliott. 



f L. Europaeus Linnaeus. Water horehound. 



