480 



MANUAL OF POISONOUS PLANTS 



Fig. 250. California Poppy (,Esch- 

 scholtzia calif arnica) , a, flower; b, fruit 

 before, and, c% after dehiscence. The juice 

 of this plant is a valuable soporific. (After 

 Strasburger, Noll, Schenck and Schimper). 



rhizome of the blood root is used in medicine and contains an alkaloid sanguin- 

 arin and a dye. The corydalin is found in a species of the genus Dicentra 

 The bleeding heart (Dicentra spectahilis), native to China, and the climbing 

 fumitory {Adlumia cirrhosa) are frequently cultivated for ornamental purposes. 

 According to Blyth, the root of the tuberous-rooted corydalis {Corydalis 

 tuberosa) contains eight alkaloides; of which corydalin Cj^H^^NO^ is the most 

 important, since, when taken in large doses it may cause epileptiform convul- 

 sions, death taking place from respiratory paralysis. The C. luiea contains 

 corydalin. Schlotterbeck and Watkins found S alkaloids in the American 

 celandine (Stylophorum diphyllum) among them chelidonin Cj^Hj^gNOj+HjO. 

 The alkaloids stylopin C,„H,„NO,„ protopin C„.H,„NO„ and sanguinarin, 

 have been in part found in other plants in the family. 



Genera of Papaveraceae 



Petals 8-12; pod 1-celIed 2-valved. 



Petals white ; rootstock short red 3 Sanguinaria. 



Petals 4; pod 2-valved or more. 



Flowers yellow 4 Chelidonium. 



Pod 4-20 valved. 



Ovary incompletely many celled 1 Papaver. 



Stigmas and placentas 4-6 2 Argemone. 



1. Papaver. Poppy 



Plant with milky juice, leaves lobed or dissected, alternate, flowers and 

 buds nodding; sepals 2 or occasionally 3; petals 4-6; stamens numerous, ovules 

 numerous; stigmas united into a persistent disk; capsule globose, obovoid or ob- 

 long; seeds small, with minute depressions. About 25 species, natives mostly of 



