146 IOWA ACADEMY OF SCIENCES. 



Tiedemannia rigida Coult. & Rose. Decatur Co. Wet sloughs, 

 frequent; often on high prannes. 



Heracieum lanatum Mx. Decatur and Shelby Cos. Rich 

 woods, common. 



Gicuta maculata L. Decatur, Appanoose, Van Buren, and 

 Johnson Cos. Wet places, common. 



Thaspium barbinode Nutt. Des Moines and Johnson Cos. 

 Woods, frequent. 



Pimpiella integerrima Benth & Hook. Decatur, Appanoose, 

 and Johnson Cos. Woods, frequent. 



Polytcenia nuttaJlii DC. Decatur and Appanoose Cos. Dry- 

 woods, infrequent. 



Cryptotcenia canadensis DC. Decatur, Appanoose, Shelby, and 

 Johnson Cos. Rich woods, common. 



Sivm cicufcefolium Gmelin. Decatur and Des Moines Cos. 

 Shallow ponds, frequent. 



Fceniculum officinale All. Johnson Co. Occasionally an 

 escape. 



Zizia aurea Koch. Decattfc- and Shelby Cos. Low grounds, 

 common. 



Cheer ophy Hum procumbens Crantz. Decatur, Henry, and John- 

 son Cos. Low woods, frequent. 



Osmorrhiza longistylis DC. Decatur, Shelby, and Johnson Cos. 

 Rich woods, frequent. 



0. brevistylis DC. Decatur, Appanoose, Shelby, and Johnson 

 Cos. Rich woods, frequent. 



Eryngium yucccefoUum Mx. Decatur, Appanoose, Shelby, and 

 Johnson Cos. Prairies, common. 



Sanicula marylandica L. Decatur, Shelby, and Johnson Cos. 

 Woods, common. 



8. marylandica canadensis Torr. Appanoose and Johnson 

 Cos. Woods, frequent. 



ARALIACE^. 



Aralia racemosa L. Van Buren, Des Moines, and Johnson 

 Cos. Woods, frequent. 



A. nudicaulis L. Johnson Co. Woods, frequent. 



A. quinquefolia Decs. & Planch. Johnson Co. Woods, fre- 

 quent. Seems to prefer the north hill sides. 



