163 IOWA ACADEMY OF SCIENCES. 



G speciosus Vahl. Decatur Co. Wet soil, frequent. 



G. aristatus Rottb. Johnson Co. Sandy soil, frequent. 



C. schioeinltzii Torr. Johnson Co. Sandy soil, common. 



C.flliculmis Vahl. Johnson Co. Sandy soil, frequent. 



G strigoms L. Decatur, Van Buren, and Johnson Cos. 

 Low, sandy soil, common. 



Eleocharis palustris R. Br. Decatur, Shelby, and Johnson 

 Cos. Wet soil, common. 



E. tenuis Schultes. Decatur Co. 



E. acicularis R Br Johnson Co Wet soil, common. 



E. ovata R. Br. Decatur and Appanoose Cos. Wet soil, or 

 in shallow water, common locally. 



Scirpus lacustris L. Decatur, Appanoose, Shelby, and John- 

 son Cos. Ponds or wet soil, common 



S. atrovirens Muhl. Decatur, Shelby, and Johnson Cos. 

 Wet soil, common. 



Eriophorum polystachyon L. Johnson Co. Specimens col- 

 lected by Prof. Shimek. 



E. Uneatum Benth & Hook. Decatur Co. Low prairies, 

 frequent 



Hemicarpha subsquarrosa Nees. Johnson Co. Sandy soil 

 along river, infrequent 



Scleria triglomerata Mx. Decatur Co. Prairies, frequent. 



Carex intumescens Rudge. Appanoose Co. Wet woods, fre- 

 quent. 



G grayii Carey. Appanoose Co. 



G squarrosa L Appanoose Co Swamps, frequent. 



G hystricinaMuhl. Decatur, Shelby, and Johnson Cos. Low 

 grounds, common. 



G. flliformis latifolia Boeckl. Shelby and Johnson Cos. 



G. trichocarpa Muhl Shelby Co. 



G. tricocarpa aristata Bailey. Johnson Co. 



G. stricta Lam. Shelby and Johnson Cos. 



C. davisii Schwein. & Torr. Johnson Co. 



G. longirostris Torr. Johnson Co. 



G. crawii Dewey. Shelby Co. 



G. laxiflora Lam. Decatur and Shelby Cos. 



G laxiflora striatula Carey. Shelby and Johnson Cos. 



C. granular is Muhl. Shelby Co. 



C tetanica Bailey. Johnson Co. 



G pemxsylvanica Lam. Decatur, Shelby, and Johnson Cos. 

 Prairies and woods, common. 



