VERNAL GRASS, SWEET VERVAIN. 



spasmodic compounds. The infusion of i ounce to 

 pint of boiling water is taken in wineglassful doses. 



Preparations Fluid extract : Dose, -1 drachm. 

 Solid extract : Dose, 5-10 grains. Tincture B.P. and 

 U.S. P., 1885: Dose, 1-2 drachms. Ammoniated tinc- 

 ture B.P. and U.S. P., 1898: Dose, -1 drachm. 



Distinctive character The root is at once dis- 

 tinguished by its strong and disagreeable odour. It 

 consists of a short rootatock, about f inch long and 

 J inch in diameter, with numerous short lateral branches, 

 and rootlets 3 or 4 inches long, the crown often showing 

 the leaf scales of the stem base. The transverse section 

 is horny with a very narrow woody ring, and is of a pale 

 grey-brown colour. Old roots are often hollow. Taste, 

 sweetish, bitter. Odour, characteristic. 



VERNAL GRASS, SWEET. 



Anthoxanthum odoratum, Linn. 



N.O. Graminacez. 

 Part used Flowers. 



Action It has been used in hay fever, internally in 

 the form of a tincture, and externally as a snuff. 



Preparation Tincture: Dose, 5-10 drops. 



Distinctive character Flowers in dense spikes, 

 tapering at both ends, about i\ inch long and inch 

 wide. It is distinguished from the allied genera by 

 having only two stamens in the flowers, and by its 

 aromatic hay-like taste. 



VERVAIN. Verbena offidnalls, Linn. 



N.O. Verbenacea. 

 Syn. Verbena hastata, Linn. 



Part used Herb. 



Action Nervine, tonic, emetic, sudorific. May be 

 employed with advantage in the early stages of fevers, 



