ADDER S TONGUE, ENGLISH ADRUE. 3 



tumours, together with an infusion taken internally 

 in wineglassful doses. Is reputed of use in dropsy, 

 hiccough, and vomiting. 



Distinctive character Leaves, two only, lanceolate, 

 2\ inches long by i inch wide, minutely wrinkled, veins 

 longitudinal, parallel, leafstalk 2-3 inches long. Flower 

 yellow, starshaped, i inch wide, with six stamens. 

 Corms slender, spindleshaped, \-\ inch long. Taste, 

 sweetish. The drug should be kept in a dry place. 



ADDER'S TONGUE, ENGLISH. 



Ophioglossum vulgatutn, Linn. 



N.O. Filicts. 

 Action Antiseptic, detergent. 



Distinctive character Leaf solitary, lanceolate, 

 with forked veins, bearing a stalked linear spike of spore- 

 cases in a double row. Root fibrous. 



ADRUE. Cyperus articulatus, Linn. 



N.O. Cypevacea. 

 Syn. Guinea Rush. 



Action Anti-emetic. It possesses aromatic pro- 

 perties, diffusing a feeling of warmth throughout the 

 system and acts as a sedative in dyspeptic disorders. Is 

 particularly useful in vomiting of pregnancy, &c. 



Preparation Fluid extract : Dose, 10-30 drops. 



Distinctive character Blackish, somewhat top- 

 shaped tubers, with bristly remains of former leaves 

 J-i inch long and \-\ inch in diameter, sometimes in a 

 series of two or three connected by means of an under- 

 ground stem inch in diameter and 1-2 inches long. 

 Transverse section pale, showing a central column with 

 darker points indicating vascular bundles. Taste, 

 bitterish, aromatic, recalling that of lavender. 



