Euphorbia EUPHORBIACEAE Euphorbia 



E. maculata L. (E. Preslii Gussoni; E. nutans Lag. See Wheeler: 

 Rhodora 43, 143-150. 1941.) 



Frequent as a weed in fields and waste places, Piedmont and 

 Coastal Plain provinces. Aug. into Oct. 



4^ E. supina Raf. (E. maculata of Am. authors. Wheeler 1. c, p. 254.) 



Common weed of waste and cultivated ground and sandy 

 shores. July into Oct. ^w- .( 



E. hexagona Nutt. 



One known collection: waste ground in Wilmington, Commons, 

 8 Aug. 1899 (A, D). Probably adv. from western U. S. 



E. corollata L. Flowering Spurge. 



Frequent in open sandy soil. Piedmont, and Coastal Plain 

 north of the Virginia line. June to Aug. 



E. marilandica Greene. 



Rare: bank of Choptank River, near Goldsboro (Ca), Otis, 13 

 Aug. 1924 (D, A, P, G). 



E. Ipecacuanhae L. 



Frequent in sandy soil of the Coastal Plain. May. 



E. purpurea (Raf.) Fern. {E. Darlingtonii Gray. See Fernald: 

 Rhodora 34, 25-26. 1932.) 



Rare, in the Piedmont province: Rock Springs (Ce), J. J. Car- 

 ter, June 1869 (A); "swamp west of Hockessin" (NC), Commons, 8 

 June 1881 (A); along brook 1 mi. w. of Porters Bridge (Ce), Long, 

 32160, 2 May 1925 (A); woods 13^ mi. n. of Rowlandsville (Ce), 

 R. R. Tatnall, 203, 23 Sept. 1928 (T). 



E. Helioscopia L. Wart weed. 



Occasional escape from cultivation: roadside n. e. of Pocomoke 

 (Wo), Moldenke, 19 May 1930 (P); field 2 mi. s. of Princess Anne 

 (So), R. R. Tatnall, 1148, 31 May 1931 (T, G). Nat. from Europe. 



E. Cjrparissias L. Cypress Spurge. 



Infrequent escape from cultivation, New Castle and Talbot 

 Counties, and probably elsewhere. Introd. from Europe. 



E. Peplus L. Petty Spurge. 



Rare: shipyard in Wilmington, Canby in 1863 (A), and E. Tai- 



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