Papaveracee—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 
preceding, and very dis- 
tinct from it in its pin- 
natifid hispid leaves. 
Fiz. 29. Papaver Rheeas, flore pleno. Fig. 50. Argemone grandiflora. (} nat. size.) 
(} nat. size.) 
8. ARGEMONE. 
Branching glaucescent annual herbs with yellow juice. 
Leaves 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 dpryzvvos, white, fair. 
1. A. Mexicéna.—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. 
