RANU.XCULACEAE 55 



Leaves 5 to 7-foliate, glabrate. 1. c. ligusticifolia. 



Leaves mostly 3-foliate, silky beneath. 2. C. missouriensis. 



Flowers solitary, large. 3. C. simsii. 



Erect herbs, lower leaves sometimes entire. '5. C. scottii. 



Leaves all simple. 4. C, fremontii. 



1. Clematis ligusticifolia Xutt. 



Common in woods and thickets in the western part of the state. 

 Banner County; Belmont; Deuel County; Ft. Robinson; Kimball 

 County; Saunders County; Thomas County; Valentine. 



2. Clematis missouriensis Rydb. 



Included in C. virginiana in Gray's [Manual. 

 In woods in the eastern part of the state. Crete; Long Pine; Lincoln; 

 Neligh; Peru; Pishelville; Richardson County. 



3. Clematis simsii Sweet. 

 Clematis pitclierii Torr. & Gray. 



On wooded bluffs in the eastern part of the state. Otoe County. 



4. Clematis fremontii S. Wats. 

 Red Cloud. 



5. Clematis scottii Porter. 

 Sheridan County. 



10. Caltha. 412. 

 1. Caltha palustris L. 

 Along streams and ditches. Norfolk; Pierce; Kennedy. 



11. Aquilegia. 415. 



1. Aquilegia canadensis L, 



In woods in the eastern part of the state, especially along the Mis- 

 souri. Belmont; Fremont; Lincoln; Nebraska City; Plattsmouth; 

 Ponca. 



12. Delphinium. 416. 

 Spur over one cm, long. 

 Follicles erect. 



Flowers white sometimes tinged with blue. 1. D. albescens. 



Flowers blue. 2. D. nelsoni. 



Follicles in fruit widely spreading. 4. D. tricorne. 



Spur less than one cm. long. 3. D. urceoiatum. 



1. Delphinium albescens Rydb. Wild lark-spur. 

 Common in prairies throughout the state. Banner County; Cherry 

 County; Fairbury; Lincoln; Lodge Pole; Norway; Ponca; Sheridan 

 County. 



2. Delphinium nelsoni Greene. 



Occurs in western Nebraska. Ft. Robinson; Glen. 



3. Delphinium urceoiatum Jacq. 

 Delphinium exaltatum Ait. 



In woods in the eastern part of the state. Bennett; Lincoln; Nebraska 

 City; Talmage; Tecumseh; Saltillo; Weeping Water. 



4. Delphinium tricorne Michx. 



In woods and meadows in the eastern part of the state. Elmwood; 

 Nebraska City; Weeping Water. 



