FLOWERING PLANTS AND FEBNS OF [NDIANA. 755 



R. recurvatus Poir. Hooked Crowfoot. 



In many counties of the State growing in open woods and 

 fields. The species prefers loose, rich, moist soil and rather 

 shaded localities. 



Flowering season from April through June. 



Tippecanoe (Hussey); Monroe and Vigo (Blatchley); Fayette 

 (Hessler); Putnam (MacDougal); Gibson and Posey (Schneck); 

 Kosciusko (Coulter); Daviess (Clements); Clark (Baird and Tay- 

 lor); Franklin (Meyncke); Jefferson (J. M. Coulter); Jay, Dela- 

 ware, Randolph, and Wayne (Phinney); Knox (Spillman); St. 

 Joseph (Rothert); Hamilton and Marion (Wilson); Steuben 

 (Bradner). 



R. acris L. Tall or Meadow Buttercup. 



Found in isolated stations in a few counties. It usually grows 

 in meadows or fields in dry soils. 



Flowers from May until August. 



Monroe (Blatchley); Putnam (MacDougal); Dearborn (Collins); 

 Marion (Hessler). 



R. bulbosus L. Bulbous Buttercup. 



Sparingly found in a few counties in fields and along roadsides 

 in dry, generally sandy soil. 



Flowers from May until August. 



Xoble (Van Gorder); Jay, Delaware, Randolph, and Wayne 

 (Phinney); Dearborn (Collins). 



R. Pennsylyanicus L. f. Bristly Buttercup. 



Chiefly northern in its distribution in very damp, open places, 

 usually not far removed from streams or lakes. 



Flowering season, June and July. 



LaPorte (Barnes); Putnam (MacDougal); Noble (Van Gorder); 

 Jay, Delaware, Randolph, and Wayne (Phinney); Steuben 

 (Bradner). 



R. Macounii Britton. Macoun's Buttercup. 



(B. hispidus Hook.) 

 Added to the flora by Mr. W. S. Blatchley, the verifying speci- 

 mens being in the DePauw herbarium. The species is a member 

 of our flora, but has as yet no other station than that discovered 

 by Mr. Blatchley. 

 Monroe (Blatchley). 



