IOWA ACADEMY OF SCIENCES 135 



Ranunculus circinatus Sibth. Johnson Co. Ponds frequent. 



B. abort ivus L. Decatur, Page, Shelby, and Johnson Cos. 

 Low grounds, common. 



B. recurvatus Poir. Johnson Co. Woods, frequent. 



B. fascicularis Muhl. Johnson Co. Wooded hillsides, com- 

 mon. 



B. septentrionalis Poir. Decatur, Shelby, and Johnson Cos. 

 Low grounds, common 



B. repens L. Johnson Co. Upland woods, frequent. 



B. acris L. Page Co. 



Isopyrum biternatum T. & G. Decatur and Johnson Cos. 

 Woods, frequent. 



Galtha palustris L. Johnson Co. Wet places, infrequent. 



Aquilegia canadensis L. Page, Decatur, Shelby, and Johnson 

 Cos. Woods, common. 



Delphinium tricoime Mx. Decatur and Shelby Cos. Rich soil, 

 fields and woods, common. 



D. azureum Mx. Page, Decatur, and Shelby Cos. Prairies, 

 common. 



D. ajacis L. Johnson Co. Occasionally an escape. 



Actaia spicata rubra Ait. Shelby and Johnson Cos. Woods, 

 infrequent. 



A. alba Bigel. Decatur and Johnson Cos. Woods, common. 



MENISPERMACE^E. 



Menispermum canadense L. Decatur, Shelby, and Johnson 

 Cos. Woods, frequent. 



BERBERIDACE.E. 



Caulophyllum thalictroides Mx. Decatur, Shelby, and Johnson 

 Cos. Woods, frequent. 



Podophyllum peltatum L. Page, Decatur, Appanoose, and 

 Johnson Cos. Rich upland woods, common. 



NYMPH^ACE^. 



Nymphaia odorata Ait. Johnson Co. Ponds, frequent. 

 Nuphar advena Ait. Johnson Co. Margins of ponds, fre- 

 quent. 



