848 REPORT OF STATE GEOLOGIST. 



LYTHRUM L. 



L. ALATUM Pursh. Loosestrife. 



Characteristic of low grounds, and usually very abundant when 

 found at all. In the rich low grounds about the margin of smaller 

 lakes, or on the banks of ditches it is often a dominant form. 



Flowering season begins in June and continues through 

 August. 



Tippecanoe (Cunningham); Kosciusko (Coulter); Daviess (Cle- 

 ments); Cass (Hessler); White (Hussey); Franklin (Meyncke); 

 Gibson and Posey (Schneck); Jay, Delaware, Randolph, and 

 Wayne (Phinney); Clark (Baird and Taylor); Vermillion 

 (Wright); Lake (Hill); Hamilton (Wilson): Steuben (Bradner). 



PARSONSIA P. Br. 



P. petiolata (L.) Rusby. Tar-weed. Clammy Cuphea. 

 (Cuphea viscosissima Jacq.) 

 Found in dry soil in various parts of the State, but nowhere 

 abundant. In our area it flowers most abundantly in June, al- 

 though the flowering season continues until September. One of 

 the favorite locations is upon railroad embankments. 



Tippecanoe (Cunningham); Jefferson (J. M. Coulter); Gibson 

 and Posey (Schneck); Clark (Baird and Taylor); Monroe (Blatch- 

 ley); Fayette (Hessler). 



MELASTOMACE.E. Meadow Beauty Family. 

 RHEXIA L. 



R Virginica L. Meadow- beauty. Deergrass. 



In sandy, wet soil in various parts of the State. 



Its flowering period is July and August. Its bright purple 

 flowers make it a conspicuous object in the rather barren locali- 

 ties in which it is usually found. 



Reported from Kosciusko (Coulter); Jefferson (J. M. Coulter); 

 Clark (Baird and Taylor); Marshall (Hessler). 



ONAGRACE^E. Evening Primrose Family. 

 ISNARDIA L. 



I. palustris L. Water Purslane. 



(Ludivigia palustris Ell.) 

 Of frequent occurrence throughout the State, being found in 

 ditches and stagnant pools. 



