l88 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



H. Barbour), Sharon (Bissell), Salisbury (Mrs. C. S. Phelps). 

 June — Aug. 



Ranunculus bulbosus L. (bulbous). 



Bulbous Buttercup or Crowfoot. Butter or Blister Flowers. 



Gold-cups. King-cups. 



Common. Fields, pastures and roadsides, usually in dry 

 ground. Mid-May — July. Naturalized from Europe. 



A weed of the same character as Ranunculus acris, and, 

 like that and some other species of this genus, an acrid poison. 

 The irritant properties are said to be dissipated in drying. 

 Medicinal. 



Ranunculus acris L. (acrid). 



Buttercups. Tall or Meadow Buttercup or Crowfoot. Butter 



or Blister Flowers. 



Frequent or common. Fields, meadows and roadsides, 

 usually in moist soil. Mid-May — Nov. Naturalized from 

 Europe. 



The var. Steven: (Andrz.) Lange, occurs occasionally. 



A pernicious weed, especially in pastures, and avoided by 

 grazing animals. 



THALICTRUM L. Meadow Rue. 

 Thalictrum dioicum L. (dioecious). 



Early Meadow Rue. Feathered Columbine. Quicksilver 

 Weed. 



Rocky hillsides in rich soil. Occasional or local near the 

 coast ; local, frequent or common elsewhere. Late April — 

 May. 



Thalictrum revolutum DC. (rolled back from the edge). 

 Thalictrum purpurascens of Gray's Manual ed. 6 in part. 

 Purple or Wax-leaved Meadow Rue. 



Occasional northward in dry fields and on hillsides ; fre- 

 quent southward, especially near the coast, in copses, dry or 

 moist fields and in meadows. June — July. 



Thalictrum polygamum Muhl. (polygamous). 

 Common or Tall Meadow Rue. 



Frequent or common. Low meadows, thickets and beside 

 streams. Late June — Aug. 



