670 REPORT OF STATE GEOLOGIST. 



PELTANDEA Kaf. 



P. Virginica (L.) Kunth. Green Arrow-arum. 



In many counties of the State, but not abundant in any of its 

 stations. It is found along large ditches, on the margins of ponds 

 . and the borders of swamps. Always in very wet soils or in shallow 

 waters. 



Flowers in May and June. 



Vigo (Blatchley) ; Cass (Hessler) ; Steuben (Bradner) ; Gibson. 



CALLA L. 



C. palustris L. Water Arum. 



Reported only from the northern counties, where it is found spar- 

 ingly in bogs and tamarack swamps. 



Flowers in May and June ; fruit ripens in August. 

 Noble (Van Gorder). 



SPATHYEMA Eaf. 



S. fcetlda (L.) Raf. Skunk Cabbage. 



(Symplocarpus fcetidus Nutt. ) 

 Quite common in all parts of the State, in swamps and rich, wet 

 soils. A species of easy recognition. 



Flowers very early, from February through April ; fruit ripens 

 in August and September. 



Tippecanoe (Cunningham) ; Fayette (Hessler) ; Hamilton and 

 Marion (Wilson); Steuben (Bradner); Franklin (Meyncke); Jeffer- 

 son (J. M. Coulter) ; Noble (Van Gorder) ; Kosciusko (Coulter). 



ACORUS L. 



A. Calamus L. Sweet Flag. Calamus-root. 



Of frequent occurrence throughout the State, growing in swamps 

 and along streams, but abundant in none of its stations. More 

 plentiful in the southern counties of the State. The large root 

 stalks furnish the drug calamus. 



Flowers in May and June. 



Tippecanoe (Cunningham) ; Fayette (Hessler) ; Putnam (Mac- 

 Dougal) ; Vigo (Blatchley) ; Hamilton and Marion (Wilson) ; 

 Steuben (Bradner) ; Gibson, Cass (Hessler). 



