IOWA ACADEMY OF SCIENCES 135 



Ranunculus circinatus Sibth. Johnson Co, Ponds frequent. 



R. ahortivus L. Decatur, Page, Shelby, and Johnson Cos. 

 Low grounds, common. 



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



R. fascioularis Muhl. Johnson Co. Wooded hillsides, com- 

 mon. 



R. sepientrionalis Poir. Decatur, Shelby, and Johnson Cos. 

 Low grounds, common 



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



R. acris L. Page Co. 



Isopyrum Mternatum 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 tricorne 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. 



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

 infrequent. 



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



MENISPERMACE^. 



Menispermum canadense L. Decatur, Shelby, and Johnson 

 Cos. Woods, frequent. 



BERBERIDACE^. 



Gaulophijllum thalictroides Mx. Decatur, Shelby, and Johnson 

 Cos. Woods, frequent. 



Podophyllum peltatum L. Page, Decatur, Appanoose, and 

 Johnson Cos. Rich upland woods, common. 



NYMPH^ACE^. 



Nymphcea odorata Ait. Johnson Co. Ponds, frequent. 

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

 quent. 



