No. 14.] FLOWERING PLANTS AND FERNS. 335 



and about old yards. April — June. Naturalized from 

 Europe. 



Sometimes a bad weed in lawns and gardens. Formerly 

 used in domestic medical practice. 



DRACOCEPHALUM L. Dragon Head. 



Dracocephalum parviflorum Nutt. (small-flowered). 

 Dragon Head. 



Rare. Southington, one plant as a fugitive in a garden 

 (Andrews) ; also occurs at New Milford (Eames & E. H. 

 Austin). June — July. Native from New York westward. 



PRUNELLA L. Self-heal. 



Prunella vulgaris L. (common). 

 Brunella vulgaris of Manuals. 

 Common Self-heal or Heal-all. Carpenter-weed. 



Common. Fields, woods and waste ground, both dry and 

 moist. June — Oct. 



Often a troublesome weed in lawns and difficult to eradi- 

 cate. Formerly used as a medicine. Sometimes occurs with 

 white flowers. 



PHYSOSTEGIA Benth. False Dragon Head. 



Physostegia virginiana (L.) Benth. 

 Lion's Heart. 



Roadsides and waste ground. Occasional in New London 

 County, becoming rare or local northward and westward. 

 Aug. Introduced from the West. 



GALEOPSIS L. Hemp Nettle. 



Galeopsis Tetrahit L. 

 Common Hemp Nettle. 



Rare or occasional. Roadsides and waste grounds. July 

 — Sept. Introduced from Europe. 



A troublesome weed in some parts of northern New 

 England. 



Galeopsis Ladanum L. 

 Red Hemp Nettle. 



Rare. Naugatuck, in waste ground (B. B. Bristol). June 

 — July. Fugitive from Europe. 



