82 



(Dr. Chas. Pickering, Chron. Hist. PI. p. 944). Frequent in old fields 

 and rocky places. A native plant. 



CoUinsonia Canadensis, i. (Rich-weed; Stone-root.) 

 Ipswich (Oakes), Georgetown (Mrs. Horner). Scarce. 



Monardadidyma, L. (Oswego Tea.) 



Chebacco road, Georgetown, Haverhill, and often in cultivation. 

 Not common in a wild state. 



Monarda flstulosa, L. (Wild Bergamot.) 



Georgetown (Mrs. Horner), "Danvers" (Dr. Osgood's list). North 

 Andover (Mrs. A. J. Haskell). Not very common and hardly a 

 native of this region, but probably introduced from farther north. 



iWepeta Cataria, L. (Catnip.) 



Common. (Adv. from Eu.) 

 K'epeta Gleehoma, Benth. (Ground Ivy.) 



Damp places. Frequent. (Adv. from Eu.) 



Thysostegia Virginiana, Benth. 



Roadside at Middleton, Aug. 1874 (J. R.) ; Danvers, 1853 (Dr. 

 Osgood's list) ; Hamilton (G. D. Phippen) ; Topsfleld. Introduced 

 from farther west (N. Y., etc.) for cultivation, whence it has es- 

 caped. 



IBrunella vulgaris, L. (Self-heal.) 



Fields, etc. Common. A few plants having white flowers were 

 found at North Reading, 1874 (J. R.). 



Scutellaria galericulata, L. (Skullcap.) 

 Damp places. Frequent. A quite rigid form grows near the sea- 

 shore, noticed at " Pebblestone beach," Rockport, 1875 (J. R.). 



Scutellaria lateriflora, L. (Mad-dog Siojllcap.) 

 Wet places. Most common in the interior of the county. 



Marrubium vulgare, L. (Common Horehound.) 

 Danvers (Oakes). (Nat. from Eu.) 



•Galeopsis Tetrahit, L. (Common Hemp-Nbttlb.) 

 Ipswich (Oakes), Gloucester (Mrs. Babson), Wenham, shores of 

 the Merrimac at West Newbury, Boxford, etc. Rather scarce. 

 (Nat. from Eu.) 



Galeopsis Ladanum, L. (Red Hemp-Nettle.) 

 " Chelsea beach by Dr. Bigelow " (Dr. Chas. Pickering) ; and since 

 at the same place (H. A. Young). Although not in the geographical 

 limits of the county it comes properly into the flora of the region 

 as it is within our latitude, and but a few rods beyond the county 

 line. 



