Chelidonium PAPAVERACEAE— FUMARIACEAE Corydalis 



Chelidonium L. 



^ C. majus L. Celandine. 



Common in damp woods and waste ground, northern New 

 Castle and Cecil Counties. April, May. Nat. from Europe. 



Glaucium Hill. ' 



G. flavum Crantz. Horn Poppy. 



Rare, in waste ground: Greenbank (NC), Commons, 1 July 1880 

 (A). Adv. from Europe. 



Papaver L. Poppy. 



P. soniniferum L. Opium Poppy. 



Rare escape in waste places: Wilmington, Commons, 11 June 

 1897 (A). 



P. dubium L. 



Infrequent; fields and roadsides in New Castle County. May. 

 Adv. from Europe. 



Argemone L. 



A. mexicana L. Prickly Poppy. 



Occasional escape in waste ground. Aug., Sept. Adv. from 

 Mexico. 



FUMARIACEAE (Fumitory Family) 



Adlumia Raf. Climbing Fumitory. 

 A. fungosa (Ait.) Greene. (A. cirrhosa Raf.) 



Infrequent; rocky banks of the Brandy wine Creek (NC). June. 



Dicentra Bernh. 



D. CucuUaria (L.) Bernh. Dutchman's Breeches. 



Frequent in rich, rocky woods, Piedmont province. April, 

 early May. 



Corydalis Medic. 

 C. flavula (Raf.) DC. 



Locally abundant in rocky woods along the Susquehanna 

 River; rare in northeastern New Castle County: moist woods along 

 Naamans Creek, below Harvey (Arden) Station, Commons & 

 Tatnall, 27 April 1894 (A). April, May. 



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