323] FLORA OF COLUMBIA AND VICINITY iSl" 



Order 29. MYRTIFLORALES. 

 Family 76. LYTHRACEAE Lindl. Loosestrife family. 



261. ROTALA L. 



666. R. ramosior (L.) Koehne. 

 Muddy margins of ponds and streams. 

 Massachusetts to Michigan* and Nebraska; Florida to 



Texas; Mexico and California; West Indies and South 

 America: Philippine Islands. 



262. AMMANNIA L. 



667. A. coccinea Rottb. 

 Common in limose places. 



Indiana and Iowa to South Dakota; Florida to Texas 

 and Mexico: Brazil: Pacific Islands. 



263. LYTHRUM L. Loosestrife. 



668. L. alatum Pursh. Winged loosestrife. 

 Rare in low grounds. 



M.-^ssachusetts and Ontario to Michigan and South 

 Dakota; Kentucky to Arkans-^^s. 



264. OUPHEA P. Br. \_PARSONSIA P. Br.]. 

 Wax-weed. 



669. C. viscosissima Jacq. [P. petiolata (L.) Rusby]. 

 Clammy cuphea. 



Infrequent in creek-bottoms. 



Rhode Island to Ontario, Illinois and Kansas; Georgia 

 to Louisiana. 



*This plant, not mentioned by Beal in his recent Flora of Michi- 

 gan, grows plentifully about a lake just west of Alto, Michigan. 



