304 



18. PAPAVER DUBIUM. [CL. XIII. 



mounted by the six or eight i-ayed, shield-shaped stigma, 

 without a pistiilum. The capsule is unilocular, and the 

 seeds are placed in several flat cavities, which proceed in a ra- 

 diated form from without half-way inwards. It opens under 

 the persistent stigma with as many holes as there are rays in 

 the capsule. The seeds have a wrinkled covering, and con- 

 tain the small, evolved embryon on the side of the albuminous 

 matter. 



Diag7iosis and Affinity. 



This species, which is very like the common Poppy {Pa- 

 paver rhoeas)^ is distinguished from it by the thickly accum- 

 bent bristles on the flower-stalk, — these bristles, in the other 

 species, standing horizontally from each other. The flowers, 

 too, are by no means of so fiery a red, but are somewhat paler. 

 jP. argemone^ which also, although more rarely, grows among 

 the corn, has a club-shaped, bristly capsule, small and still 

 paler petals, and bluish antherae, and filaments which are 

 thick above. P. hyhridum^ which grows still more rarely 

 in Germany, has an almost spherical, sulcated, bristly capsule, 

 dirty dark red flowers, and bright blue antherae. 



The affinity between the genus Papaver and CJiclldoriium 

 and Glaiiclum is striking, although in the two latter the 

 form of the fruit is different. Among exotics, it is still more 

 nearly related to Argemone, and this affinity is expressed by 

 the peculiar juices, which in the Poppies are white ; in Che- 

 lidoniumy Glaucium, and Argemone^ yellow ; and in Jhatia^ 

 black. The Papavereae are related, through Hypecoum and 

 Fmnariay to the Cruciform plants, and through Actcea to the 

 Ranunculeae, (Anleit. ii. 727.) 



Synonymes afid Figures. 



Argemone capitulo longiori glabro, Moi'is. sect. S. t. 14. 

 Pavaver erraticum, Tourn. Inst, 238. Rupp. len. ed. HaL 



ler, p. 79. Haller, Stirp Helv» n. 1065. 

 P. dubium, Linn. Engl Bot. 644. ScJiJc. t 140. Fl. Dan. 



90a 



