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ConophoUs BIGNONIACEAE— ACANTHACEAE Justicia 



and Brandywine Creeks, in the Piedmont of New Castle County, 

 and probably elsewhere. May, early June. 



Orobanche L. Broom-rape. 



O. minor Sm. Clover Broom-rape. 



Infrequent; parasitic on roots of clover, Piedmont and Coastal 

 Plain. Late May, June. Nat. from Europe. 



O. unifiora L. (Aphyllon uniflorum T. & G.) 



Frequent in damp woods. Piedmont province; parasitic on the 

 roots of various plants; one collection on the Coastal Plain: 6 mi. 

 e. n. e. of Easton (Ta), EarU, 2417, 11 May 1940 (P). Mid-May, 

 early June. 



BIGNONIACEAE (Bignonia Family) 

 Tecoma Juss. Trumpet Creeper, 



T. radicans (L.) Juss. {Campsis radicans (L.) Seeman.) 



Common on cultivated ground, fencerows and dunes. Cape 

 Charles and northward to the Fall Line. Early June to Aug. 



Catalpa Scop. 



C. bignonioides Walt. Catalpa. Indian Bean. 



Frequent on roadsides, as an escape from cultivation; Sussex 

 County, and northward to the Pennsylvania line. Nat. from 

 southern U. S. 



Bignonia L. 



B. capreolata L. Cross- vine. 



Locally abundant in Worcester County. Mid-May, early June. 



Climbs vertically on trees by tendrils. Transverse sections of 

 the stem show the pith in the form of a "plus sign." 



ACANTHACEAE (Acanthus Family) 



Justicia Houst. Water Willow. 



J. americana (L.) Vahl. (Dianthera americana of manuals. See 

 Fernald: Rhodora 43, 493. 1941.) 



Frequent in New Castle and Cecil Counties, in fresh water; one 

 collection in Accomac County: Accomac, J. Crawford, 10 July 1895 

 (A). June, July. 



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