Xo. 14.] FLOWERING PLANTS AND FERNS. 34I 



Pycnanthemum verticillatum (Michx.) Pers. (whorled). 

 Koellia verticillata Kuntze. 



Rare or occasional. Hillsides and pastures either moist 

 or dry. July — Aug. 



Pycnanthemum incanum (L.) Michx. (hoary-white). 

 Koellia in c ana Kuntze. 



Occasional. Rocky copses, thin woods and clearings. 

 Aug. 



Pycnanthemum muticum (Michx.) Pers. (pointless). 

 Koellia mutica Britton. 



Frequent. Poor soils either dry or wet. July — Aug. 



THYMUS L. Thyme. 

 Thymus Serpyllum L. (classical name for this plant). 

 Wild or Creeping Thyme. 



Rare or occasional. Fields and waste places, usually in 

 dry ground. June — Sept. Adventive from Europe. 



Sometimes cultivated and used for seasoning in cookery. 



LYCOPUS L. Water Horehound. 

 Lycopus virginicus L. 

 Bugle Weed. 



Wet open ground or shaded swamps. Rare in most dis- 

 tricts : Franklin (R. W. Woodward), Windsor (Bissell), 

 Hartford (H. S. Clark). Occasional or frequent near the 

 coast and in the southwestern part of the state. July — Sept. 

 The herb has medicinal properties, like other species of the 

 genus. 



Lycopus uniflorus Michx. (one-flowered). 

 Lycoptis communis Bicknell. 

 Lycopus membranaceus Bicknell. 

 Bugle Weed. 



Common. Wet or dry places in various soils. Aug. — 

 Sept. 



Lycopus sessilifolius Gray (sessile-leaved). 



Rare. Wet ground about ponds: Voluntown, Ledyard\ 

 Groton and East Lyme (Graves), Old Saybrook and Middle- 

 bury (Harger). Aug. — Sept. 



