81 



Tricliostema dichotonmm, L. (Blue Curls.) 

 Dry sterile fields. Common. 



Mentha viridls, L. (Speakmixt.) 



Danvers (Dr. Osgood's list), Rockport (Pool), West Gloucester, 



Groveland, etc. Frequent. (Nat. from Eu.) 

 Mentha sativa, L. (Whorled Mint.) 



Chebacco road, Hamilton, Aug. 21, 1874. (Adv. from Eu.) 

 Mentha piperita, L. (Peppkrmint.) 



Rockport (Pool), Nahant, Danvers, TVenliam, etc. Occasional. 



(Nat. from Eu.) 

 Mentha Canadensis, L. (Wild Mint.) 



Meadows. Common. 



Lycopus Virginleus, L. (Buglb-wbed.) 

 "Near Salem" (S. B. Buttrick, Proc. E. I. Vol. II, p. 241), Beverly 

 (John C. Phillips), Essex County (Dr. Chas. Pickering). Seem- 

 ingly not very common. 



Lycopus sinuatus, Ell., L. Europseus, var. sinuatus (Gray's Man- 

 ual). Moist ground. Common and quite variable. A native species. 

 Lycopus Europseus, L., appears only in this county as an adventi- 

 tious plant and probably does not grow here. 



Hyssopus o£S.cinalis, L. 

 Escaped from old gardens in a few places. Georgetown (Mrs. 

 Horner). (Adv. from Eu.) 



Pycnanthemum muticuin, Fers. (Mountain Mint.) 



"Very rare, stone barn, Swampscott" (Tracy); Danvers (J. H. 



Sears ; and a few other places In the county. Scarce. 

 PyoBanthemum lanceolatum, Pursh. 



Georgetown (Mrs. Horner), and the towns in that neighborhood. 



Scarce. 



Origanum vulgare, L. (Wild Marjoram.) 

 Georgetown (Oakes), Rowley (Rev. J. L.Russell). Not common. 

 (Nat. from Eu.) 



Thymus Serpyllum., L. (Creeping Thyme.) 



"Dry pastures, Boxford, 1819, Oakes and Osgood" (Oakes in 



Hovey's Mag. Vol. VII). (Adv. from Eu.) 

 Thymus vulgaris, L. (Garden Thyme.) 



Cultivated in gardenSj occasionally escaping. Beverly (W. D. 



Silsbee). 



Hedeoma pulegioides, Fers. (American Pennyroyal.) 



" Clearly the 'peneriall' seen by W. Wood i. 5— and Higginson, east- 

 ern Massachusetts, and 'upright psniroyal' of Josselyn Rar. 44." 



