IOWA ACADEMY OF SCIENCES. HI 



orders, genera and species. It will not be necessary to com- 

 ment on the value of this, since it is the standard work in the 

 schools and colleges of Iowa. 



RANUNCULACE.^. 



Clematis Virginiana L. 



Sioux City, in woody ravines (B. W.). 

 Anemone patens L. var. Nuttalliana Gray. 



Sioux City, prairies, abundant (B. W.). 

 Anemone cylinclrica A. Gray. 



Hull(W. Newell); Little Rock, dry grounds (Herb. C.R.Bali). 

 A. Virginiana L. 



Sioux City (B W). 

 A. Canadensis L. 



Sioux City, low grounds, bottoms (B. W.); Little Rock 

 (Herb. C. R. Ball). 

 Thalictrum purpurascens L. 



Sioux City, low grounds and prairies (B. W.); Hull (W. New- 

 ell); Little Rock (C. R. Ball). 

 Ranun<julus Cymbalaria Pursh. 



Hull (W. Newell); Little Rock (Herb. C. R. Ball). 

 R. mnltijidus Pursh. 



Little Rock, in water (Herb. C. R. Ball). 

 R. abortivus L. 



Sioux City (B. W). 

 R. septentrionalis Poir. 



Cherokee (B. W.). 

 Caltha pahistris L. 



Sioux City, not common, low marshes (B. W.). 

 Aquilegia Canadensis L. 



Sioux City, abundant in wooded ravines (B. W.). 

 Delphinium azureum, Michx. 



Sioux City prairies (B. W.); Little -Rock (C. R. Ball); 

 flowers of Iowa specimens are greenish white. 

 Actaea spicata L. var. rubra, Ait. 



Sioux City woods, frequent (B. W.). 



MENISPERMACE^. 

 Menispermum Ganadense L. 



Sioux City, common, in wooded ravines (B. W. L. H. P.), 



BERBERIDACE.E. 



Caulophyllum thalictroides, Michx. 



Sioux City woods, frequent (B. W.). 



