320 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



Moist fields, roadsides and thickets. New Milford (C. D. 

 Bishop, C. K. Averill), Litchfield (Miss E. H. Thompson), 

 Norfolk (Miss M. C. Seymour), and occasional or frequent 

 in northwestern Connecticut. Sept. — Oct. 



Gentiana Andrewsii Griseb. 



Closed Gentian. Bottle Gentian. 



Occasional or frequent. Moist places and along streams. 

 Sept.— Oct. 



Sometimes occurs with white flowers. 



BARTONIA Muhl. 



Bartonia virginica (L.) BSP. 



Bartonia tenella Muhl. 



Occasional or frequent. Moist meadows and woods. July 

 — Sept. 



Bartonia paniculata (Michx.) Robinson (panicled). 

 Bartonia lanceolata Small. 



Rare or local. Wet woods and meadows: Griswold (Har- 

 ger), Hartford (H. S. Clark), Plymouth (Bissell), Stratford 

 (Eames), New Milford (C. K. Averill). Aug.— Sept. 



MENYANTHES L. Buckbean. 



Menyanthes trifoliata L. (three-leaved). 



Bog Bean. Marsh Trefoil. Water Shamrock. 



Bogs, borders of ponds and in wet meadows. Occasional 

 or local in most parts of the state ; frequent in Litchfield 

 County. May — June. 



The leaves and rootstock are used medicinally. In parts 

 of northern Europe it is used as a substitute for hops. 



NYMPHOIDES Hill. Floating Pleart. 



Nymphoides lacunosum (Vent.) Fernald (of ponds). 

 Limnanthemum lacunosum Griseb. 

 Floating Heart. 



Rare or local. In ])onds and rivers: Groton and Lyme 

 (Graves), Ledyard (W. A. Setchell), Branford (W. A. 

 Setchell & Harger), Woodstock, Mansfield and Glastonbury 



