RAXUXCULACEAE 53 



In edges of ponds, not common. Aten; Belmont; :\Iullen; Sidney; 

 Whitman; Lewellen; Xewark. 



4. Ranunculus recurvatus Poir. 



By springs and streams in the southeastern part of the state. Ne- 

 braska City; Weeping Water. 



5. Ranunculus acris L. 



In the southeastern part of the state. Lincoln; Peru. 



6. Ranunculus bulbosus L. 

 Macon. 



7. Ranunculus pennsylvanicus L. 



In wet places over most of the state. Atkinson; Belmont; Cody's 

 Lakes Dawes County; Mullen; Minden; Scotia. 



8. Ranunculus septentrlonalis Poir. 



In wet soil in the eastern part of the state. Emerson; Newark; Stella. 



9. Ranunculus hispidus INIichx, 

 Kim-ball. 



10. Ranunculus ovalis Raf. 

 Ranunculus rhomboideus Goldie. 



In the sand-hills regions. Antelope; Burwell; Callaway; Gordon; Long 

 Pine. 



11. Ranunculus abortivus L. 



Woods and thickets, mostly along streams, in the southeastern part of 

 the state. Beatrice; Crete; Ewing; Ft. Niobrara; Long Pine; Lincoln; 

 Pauline. 



3. Bartrachium. 



Leaves sessile, circinate. 1. B. divaricatum. 

 Leaves petioled, not circinate. 



Beak of achene 1 mm. long. 2. B. longirostris. 



Beak minute or none. 3. B. trichophyllum. 



1. Bartrachium divaricatum (Shrank.) Winn. 

 Ranunculus circlnatus Sibth. 



Rare. Lodge Pole Creek. 



2. Bartrachium longirostris (Godr.) F. Shurtz. 

 Nebraska? 



3. Bartrachium trichophyllum (Choix.) Borsch. 

 Ranunculus aquatilis var. capillaceus DC. 



Common in streams throughout the state. Anselmo; Cherry County; 

 Keya Paha; Lincoln; Long Pine; Newark; Plain view. 



4. Halerpestes. 430. 



1. Halerpestes cympalaria (Pursh.) Greene. 



Ranunculus cymbalaria Pursh. 

 Common, often forming patches of considerable size in wet meadows 

 and marshes. Alliance; Aten; Bellevue; Broken Bow; Crawford; 

 Deuel County; Kearney County; Newark; Plain view; Whitman. 



5. Thalictrum. 430. 

 1. Thalictrum purpurascens L. 



Thalictrum dasycarpum Fisch. & Lall. 

 In low meadows and open woods along streams throughout the state. 



