Polygala POLYGALACEAE— EUPHORBIAC. Crotonopsis 



Var. ambigua (Nutt.) Wood. (P. ambigua Nutt, See Rhodora 

 42, 460. 1940.) 

 Frequent in the Piedmont, chiefly in dry barrens, including 

 serpentine; one station on the Coastal Plain: roadside, Ches- 

 wold (K), /. H. Holmes, 18 Aug. 1890 (D). 



P. lutea L. Orange Milkwort. 



Common in moist, sandy places, Caroline and Sussex Counties, 

 and southward to Cape Charles. Late May to early Oct. 



P. ramosa Ell. Pine-barren Milkwort. 



Locally abundant in moist meadows: Felton (K), Canhy in 1867 

 and 1870 (D, A, P, U); Ellendale, Commons, 16 Aug. 1877 (A), and 

 later collectors. July to Sept. 



P. cymosa Walt. Tall Pine-barren Milkwort. 



Infrequent in ditches and meadows, Kent (Del.) and Sussex 

 Counties. July to early Sept. 



This and the last preceding species appear to reach their north- 

 ern limit in Kent Co., Del. 



EUPHORBIACEAE (Spurge Family) 

 Croton L. 

 C. glandulosus L. var. septentrionalis Muell. Arg. 



Rare, in waste ground: New Castle, Commons, 2 Oct. 1866, (A); 

 sand pit just west of bridge over Choptank River, 1 mi. s. of Chop- 

 tank Mills (K), R. R. Tatnall, 5144, 27 Sept. 1944 (T, A). 



C. capitatus Mx. 



One collection: cultivated ground, 1^ mi. s. w. of Unionville 

 (Ta), Earle, 3671, 30 July 1942 (A, P). 



C. texensis Muell. Arg. 



One collection: dry sand, Seaford (S), Commons, 10 Sept. 

 1896 (A). Adv. from southwestern U. S. 



Crotonopsis Mx. 

 C. elliptica Willd. (C. linearis Mx.) 



On barrens and dry sterile soil of the Coastal Plain; rare north- 

 ward: Grays Hill barrens, near Elkton (Ce), Long, 27 June 1928 

 (A); and R. R. Tatnall, 1320, 10 Oct. 1931 (T); common southward 

 to Wicomico County, especially on railroad ballast. Aug., Sept. 



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