550 A TEXT-BOOK OF BOTANY. 



Chelidonine (identical with stylophorine), chelerythrine (which 

 is fluorescent ), and protopine (found also in opium and sangui- 

 naria). It also contains a bitter neutral principle chelidoxanthin 

 and several organic acids (Fig. 309). 



To this family belong a number of other plants which contain 

 principles similar to or identical with those found in Sanguinaria 

 and Chelidonium, and of these the following are common in the 



FIG. 308. A group of transplanted bloodroot plants (Sanguinaria canadensis) show- 

 ing i-flowered scapes, and the palmately veined and lobed leaves. 



United States : Yellow or celandine poppy (Stylo phorum diphyl- 

 lum) and the Dutchman's breeches (Bicuculla Cucullaria}. 



The alkaloid PROTOPINE (fumarine) is found in the following 

 plants of this family : Sanguinaria canadensis; Chelidonium 

 majus; Stylo phorum diphyllum; Eschscholtzia calif ornica; Glau- 

 cium corniculatum of Middle Europe; Bicuculla Cucullaria; Ad- 

 lumia fungosa, the climbing fumitory of the United States and 

 Canada; Fumaria officinalis, the fumitory of Europe, which is 

 naturalized in the United States and Canada ; Bocconia cordata 

 of China and Japan, and B. frutescens of the West Indies, Mexico 



