840 REPORT OF STATE GEOLOGIST. 



H. ELLLPTICUM Hook. 



In Hamilton and Marion counties growing in wet places (G. 

 W. Wilson). 



SAROTHRA L. 



S. gentianoldes L. Pine-weed. 



(Hypericum nudicaule Walt.) 

 Reported only from the extreme southwestern counties of the 

 State as occurring occasionally in sterile, sandy soil. 

 Flowering from June through September. 

 Gibson and Posey (Schneck); Lake (Hill). 



TRIADENUM Raf. 



T. Virginicum L. Marsh St. John's- wort. 



(Elodes campanulata Pursh.) 

 Plentifully found in swamps and marshes in most parts of the 

 State, being more abundant in the northern counties. 

 Flowers from July through September. 



Tippecanoe (Cunningham); Kosciusko (Coulter); Laporte 

 (Barnes); Noble (Yan Gorder); Gibson and Posey (Schneck); 

 Steuben (Bradner). 



T. PETiOLATUM (Walt.) Britton. 



(Elodes petiolata Pursh.) 

 Admitted upon a collection of Dr. Robert Hessler in Monroe 

 County. Plant was collected in July in low, wet grounds. The 

 only record for the State to my knowledge. 



ELATINACE^E. Water-wort Family. 



ELATINE L. 



E. Americana (Pursh) Arn. Water-wort. 



Reported only from Gibson and Posey counties by Dr. Schneck. 

 It occurs there in moist or marsh places in considerable 

 abundance. 



1 lowering in May and June. 



Steuben (Bradner). 



