PAPAVERACE^ li 



and sandy ground in the east of Europe, and very 

 •common in some of the corn-producing districts as a 

 weed of agriculture. It has been observed in a few 

 localities in England in connection with grain-siftings. 



Papaver Argemone, L. A widely distributed corn- 

 field weed throughout the north temperate regions of 

 the old world. Common in Britain. 



Papaver dubium, L. Native on dry barren hills in 

 Southern Europe. A weed of cultivated and waste 

 ground throughout Europe. In England it appears 

 "to be less dependent on man than its congeners, and 

 has been designated a native in some local Floras, but 

 no natural localities have been adduced in support. 



Papaver hybridum, L. Native in the same localities 

 as the last, and spread over about the same area as a 

 weedT In England not common, and usually capricious 

 in its appearance. 



Papaver Bhceas, L. Native with the last two. An 

 ancient and abundant cornfield weed in Europe. The 

 commonest of the Poppies in Britain. 



Papaver somniferum, L. The variety with setose 

 peduncles is native in the Mediterranean area on dry 

 downs, and is an agricultural weed as far as Southern 

 England. The glabrous variety of gardens (the Opium 

 Poppy) is common in Britain as a casual. 



Platystemon calif ornicmn, Benth. A garden plant 

 originally from North America. It has been observed 

 in Britain as a casual garden escape. 



