Ammannia LYTHRACEAE— MELASTOMACEAE Rhexia 



Ammannia L. 

 A. Koehnei Britton. 



One collection: Greenbackville (Wo), Shreve & Jones, 1109, 11 

 Aug. 1906 (U). 



Decodon J. F. Gmel. 



* D. verticillatus (L.) Ell. (Nesaea verticillata HBK.) Water 

 Willow. 



Common in swamps and shallow ponds on the Coastal Plain, 

 from the Fall Line southward to Wicomico County; occasional in 

 the Virginia counties: swampy woods s. of Kendall Grove (No), 

 Fernald, Long & Fogg, 5387, in 1935 (G, P, A). Aug., early Sept. 



Ljrthrum L. Loosestrife. 

 L. lineare L. 



Common in brackish marshes and salt meadows, from Queen 

 Anne's County southward to Sussex and Worcester Counties. 

 Early Aug. through Sept. 



L. Salicaria L. Purple Loosestrife. 



Infrequent, in marshes and borders of ponds and streams, New 

 Castle County; Piedmont and Coastal Plain. July to mid-Sept. 



Cuphea P. Browne. 



C. petiolata (L.) Koehne. (C viscosissima Jacq.) Clammy Cuphea. 

 Frequent; fields and roadsides. Piedmont, and southward on the 

 Coastal Plain at least to Talbot County. Late July to mid-Sept. 



MELASTOMACEAE (Melastoma Family) 



Rhexia L. Deergrass. Meadow Beauty. 

 p R. virginica L. 



Frequent in wet fields and swampy ground, from the Fall Line 

 to Sussex County; rare south of the Virginia line: peaty clearing 

 south of Townsend (No), Fernald, Long & Fogg, 5388, in 1935 (P). 

 Mid-July to mid-Sept. JL^U*'*-^'^" * 



^ R. aristosa Britton. 



Rare and local, in sandy swamps and upland meadows: Ellen- 

 dale (S), Canby, 24 July 1893 (D), and several later collectors; one 

 collection at Wilmington, "South side of Christiana Creek," 

 Commons, 21 Sept. 1896 (A). Late July through August. 



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