154 YETERIXARY MATERIA MEDICA. 



laminitis, acute rheumatism, acute inflammations of 

 the respiratory apparatus, and acute throat affections; 

 in simple and eruptive fevers, puerperal and surgical 

 fever, diarrhoea and dysenterj^ from cold or exposure; 

 in colic — combined with purgatives; in constipation 

 of plethoric animals, with hot, dry, feverish skin. 

 Aconite liniments are used externally to relieve pain 

 and irritability, but must not be applied over too 

 large a surface, as there might be absorption enough 

 to poison the animal. 



Veratrum — Hellebore. 



Varieties of Veratrum. — Veratrum viride, Amer- 

 ican hellebore or poke root (natural order Liliacese) ; 

 Veratrum album, European hellebore ; and Veratrum 

 sabadilla, or Asagroea officinalis, the Mexican variety. 

 Of these the first only is official in the U. S. P., but 

 an alkaloid or mixture of alkaloids from the seeds of 

 the Mexican variety is also recognized under the 

 name of veratrine. 



The alkaloids contained in each plant are as fol- 

 lows: In veratrum viride — jervine, .pseudo-jervine, 

 cevadine, rubi jervine. In veratrum album — jervine, 

 pseudo-jervine, veratralbine, rubijervine. In vera- 

 trum sabadilla — veratrine, cevadine, cevadilline. 



Veratroidine is now considered a mixture of rubi- 

 jervine and a toxic resin. 



Preparations. — Extractum Veratri Viridis 

 Fluidum, fluid extract of American hellebore root. 

 Dose: H., fl. 3 ss.-i. ; D., fU -^q-^j. 



Tinctura Veratri Viridis, tincture of American 



