PAPAVERACEAE 333 



Capsule linear, smooth, tipped with a subulate style and 



minute stigma. 4. Chelidonium. 



i. Papaver [Tourn.] L. 



Glabrate and glaucous; leaves lobed, clasping; capsule subglobose. 1. P. somniferum. 

 Green, hirsute; leaves pinnately divided. 

 Capsule glabrous. 



Capsule sub-globose or top-shaped. 2. P. Rhoeas. 



Capsule oblong, narrowed below. 3. P. dubium. 



Capsule hispid, with a few erect hairs; oblong. 4. P. Argemone. 



i. P. somniferum L. Occasional in waste ground and on ballast: 

 Eastern States. Fugitive from Europe. 



Rare as a fugitive species; sometimes escaping from gardens. 



2. P. Rhoeas L. In waste places and on ballast: Me. to Va. 



Fugitive from Europe. 



Rare and local as a fugitive species. 



3. P. dubium L. In waste and cultivated ground: Conn, to Va. 



and southward. Adventive from Europe. 

 Occasional near the larger cities. 



4. P. Argemone L. Waste ground : Eastern seaports. Fugitive 



from Europe. 



Rare in waste places, especially near Philadelphia and New York. 

 P. hybridum L. has been recorded as on ballast near New York. 



2. Sanguinaria [Dill.] L. 

 1. S. canadensis L. In rich woods: N. S. to Man., Neb., Fla. 

 and Ark. 



Common throughout the area, except the pine-barrens and the 

 coastal plain of L. I., there wanting; always increasing northward. 



3. Glaucium Juss. 

 1. G. Glaucium (L.) Karst. In waste places: R. I. to Va. 

 Adventive from Europe. 



Rare in our area as an adventive, more common along the sea 

 beaches than elsewhere. 



4. Chelidonium [Tourn.] L. 

 1. C. majus L. Waste places, roadsides and in woods: common 

 in the East. Naturalized from Europe. 



Common in most parts of our range, except the pine-barrens. 



