40 FLORA OF WORCESTER COUNTY. 



PEDALIACE^;. 



MARTYNIA, L. Unicorn-plant. 



proboscidea, Glox. Worcester. Prof. Eaton. 



VERBENACE^E. 



VERBENA, Tourn. Vervain. 



urticaefolia, L. White Vervain. Waste grounds. 



hastata, L. Blue Vervain. " " 



PHRYMA, L. . Lopseed. 



Leptostachya, L. Open woods. Not abundant. 



LABIATE. 



TRICHOSTEMA, L. Blue Curls. 



dichotomum, L. Bastard Pennyroyal. Sandy fields. 



COLLINSONIA, L. Horse-Balm. 



Canadensis, L. Stone-root. Rich woods. 



MENTHA, Tourn. Mint. 



*viridis, L. Spearmint. Not rare. 



*piperita, L. Peppermint. Common. 



*aquatica, L. Water Mint. Winchendon. A. S. Allen. 



*arvensis, L. Corn Mint. Southbridge. L. E. Ammi- 

 down. 



Canadensis, L. Wild Mint. 

 LYCOPUS, Tourn. Water Horehound. 



Virginicus, L. Bugle-weed. In low grounds. 



sessilifolius, Gray. Not common. 



sinuatus, Ell. In low grounds. Quite common. 



PYCNANTHEMUM, Michx. Mountain Mint. 



lanceolatum, Pursh. Spencer. /. C. Lyford. 



