Papaveracecz Papaver. 



39 



whose large brilliant scarlet flowers are familiar to everyone in 

 the South of England. Under cultivation it has produced in- 

 numerable varieties, both 

 double and single, of dif- 

 ferent colours. It is a 

 smaller plant than the "Vka & 

 preceding, and very dis- ^\1 



tinct from it in its pin- 

 natifid hispid leaves. 



Fig. 29. Papaver Rhoeas, flore pleno. 

 (J nat. size.) 



Fig. 30. Argenione grandiflora. (\ nat. size.) 



3. ARGEMONE. 



Branching glaucescent annual herbs with yellow juice. 

 Laaves deeply pinnatifid, usually spiny- toothed. Flowers 

 large, white or yellow. Similar in floral characters to the 

 Poppies, with an oblong capsule opening by valves. Six 

 species are known, all American. The name is probably, 

 from apysvvos, white, fair. 



1. A. Mexicana. An erect branching plant, about 2 or 3 

 feet high, with yellow flowers about the size of the common 

 Poppy. The petals are very caducous. This species is a com- 

 mon weed in the tropics. 



