f 



Ludwigia ONAGRACEAE Oenothera 



Var. nana Fern. & Grisc. 



Pine woods 33^ mi. n. of Accomac (Ac), Fernald, Long & 

 Fogg, 5390, in 1935 (P, T) ; dune hollows s. of Bethany Beach 

 (S), Fogg, 11262, 23 Aug. 1936 (P). 



Epilobium L. Willow Herb. 

 E. angustifolium L. Fireweed. 



Frequent in clearings and disturbed ground, Piedmont and 

 northern Coastal Plain. June to early Sept. 



E. densum Raf. {E. lineare Muhl. Cat.) 



Rare, in bogs: near North East (Ce), Otis in 1911 (D); ^ mi. s. 

 w. of Seaford (S), Earle, 1795, 3 Sept. 1938 (P). 



E. coloratum Biehler. 



Frequent in low ground, Piedmont area of New Castle and Cecil 

 Counties; infrequent on the Coastal Plain southward to Talbot 

 County (Earle) and Sussex County. July to early Sept. 



E. glandulosum Lehm. var. adenocaulon (Haussk.) Fern. 



Rare, on wharves and in waste ground, Piedmont area: Wil- 

 mington, E. Tatnall, June 1896 (A); near North East (Ce), Otis in 

 1911 (D); door yard, Claymont (NC), F. A. McDermott, 21 July 

 1931 (T). 



Oenothera L. 



O. biennis L. Evening Primrose. 



Common in open ground, Piedmont and Coastal Plain of Cecil 

 and New Castle Counties; infrequent southward to southern Kent 

 (Del.) and Talbot Counties. Late June to Sept. 



O. humifusa Nutt. 



Common on sands of the seacoast, from Cape Charles northward 

 to s. e. Kent County, Delaware. July to early Sept. ^ ^^ 



O. laciniata Hill. 



Frequent in waste places, salt meadows and seashore sands. 

 Piedmont, and southward on the Coastal Plain at least to Wicomico 

 and Worcester Counties. Late April to early July. 



' O. fruticosa L. (KneiffiaRsdmann.) Sundrops. 



Common in dry ground of the Piedmont area, and in fields, low 



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