163 IOWA ACADEMY OF SCIENCES. 



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



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



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



G. flliculmls Vahl. Johnson Co. Sandy soil, frequent. 



G. strigosus 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. 



Eriop)horum x>ohjstachyon 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 triglovierata Mx. Decatur Co. Prairies, frequent. 



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

 quent. 



G. grayii Carey. Appanoose Co. 



G. squarrosa L Appanoose Co. Swamps, frequent. 



G. hystricina Muhl. Decatur, Shelby, and Johnson Cos. Low 

 grounds, common. 



G. flUformis latifolia Boeckl. Shelby and Johnson Cos. 



G. tricliocarpa Muhl Shelby Co. 



G. tricocarpa aristata Bailey. Johnson Co. 



G. stricta Lam. Shelby and Johnson Cos. 



G. 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. 



G. granularis Muhl. Shelby Co. 



G tetanica Bailey. Johnson Co. 



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

 Prairies and woods, common. 



