Lycopus LABIATAE Mentha 



Var. Longii Benner. 



In the same habitats, but less frequent, New Castle and 

 Kent Counties, Del. 



Mentha L. Mint. 



M. longifolia (L.) Hudson. (M. sylvestris L.) 



Infrequent, in meadows and waste ground of New Castle and 

 Cecil Counties. June, July. Nat. from Europe. 



M. rotundifolia (L.) Hudson. 



Escaping from cultivation in New Castle and Sussex Counties. 

 Not reported since 1899. Nat. from Europe. 



M. spicata L. {M. viridis L.) Spearmint. 



Frequent; moist fields and stream banks of the Piedmont. 

 July. Nat. from Europe. 



M. piperita L. Peppermint. 



Frequent in moist ground, Piedmont, and southward on the 

 Coastal Plain at least to Wicomico County. July, Aug. Nat. 

 from Europe. 



M. aquatica L. Water Mint. 



Two known localities: shore of Nanticoke River, Seaford (S), 

 Canhy, Aug. 1874 (D, U); Commons, 1 Sept. 1882 and 10 Sept. 

 1896 (A); Cheswold (K), J. H. Holmes, Aug. 1890 (U). 



M. gentilis L. {M. saliva L.) 



Infrequent; in waste places and on river banks, in New Castle 

 and Cecil Counties. July, Aug. Nat. from Europe. 



M. arvensis L. 



Rare: North East (Ce), S. Brown, 4 July 1903 (A); Red Point, 

 shore of North East River (Ce), Otis, 9 Aug. 1912 (D); roadside, 

 Newark (NC), P. W. Baker, 13 July 1924 (UD). 



Var. villosa (Benth.) Stewart. See Rhodora 46, 331-335. 1944. 

 Wild Mint. 



Infrequent; meadows and stream banks in the Piedmont of 

 New Castle County. July, Aug. 



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