DIGITOXIN 



623 



hydrochloric acid. According to Schmiedeberg and Kiliana digi- 

 toxin is a chemically uniform substance being present in the leaves, 

 but not in the seeds. 



Digitoxin (solubile) Cloetta is an amorphous modification of 

 digitoxin, and is only distinguished from the latter by the smaller 



FIG. 275. Various forms of hairs of digitalis: A, various forms of apical cells. 



B, uniseriate, glandular hairs very common in leaves of cultivated plants. 



C, various non-glandular hairs showing crooked or bent apical cells. D, 

 various forms of glandular hairs with short stalks. 



size of its molecule and its greater solubility in water. Kiliani, how- 

 ever, is of the opinion that digitoxin Cloetta (digalen) is identical 

 with digitalein. 



Digitoxine Pharmacopee franchise is essentially identical with 

 digitoxin. The French Pharmacopoeia requires, inter alia, that 



