232 QUEBRACHO QUEEN'S DELIGHT. 



taining no raphides, and in the medullary rays being 

 only two cells broad, whilst there are usually three in 

 the genuine or Jamaica Quassia. Exhausted Quassia 

 having hardly any bitterness is sometimes met with in 

 commerce, and also Quassia with greyish markings due 

 to fungus, and therefore not fit for infusion. 



QUEBRACHO. 



Aspidosperma Quebracho-bianco, Schlecht. 



N.O. Bignoniacea. 

 Part used Bark. 



Action Antiperiodic, tonic, ant-asthmatic. Very 

 useful in the suffocating symptoms of bronchitis, asthma, 

 &c. Also recommended in pulmonary complaints. 



Preparations Fluid extract : Dose \-\ drachm. 

 Aspidospermin (Alkaloid). 



Distinctive character The bark occurs in curved 

 or flattish pieces \-\ inch thick, greyish and deeply 

 fissured externally. The inner surface is yellowish 

 brown, often with a reddish tint and striated. The 

 transverse fracture shows a coarsely granular, yellowish 

 brown outer layer, and a shortly fibrous or splintery, 

 darker inner layer. Taste, bitter. Odour, none. 



QUEEN'S DELIGHT. StUUngia sylvatica, Linn. 



N.O. Euphorbiocea. 

 Syn. Queen's Root, Yaw Root. 

 Part used Root. 



Action Alterative, laxative, tonic, diuretic. This 

 is principally used in cases of syphilis, scrofula, and 

 impure conditions of the blood, for which it forms a 



