5S L VEGETABLES.— Strychne^. 



Icevigata. Root, Wliite Bengal ipecacuanha; — C tomenfosum* 

 Root, Ceylon ipecacuanha, emetic. 



Fergulea edulis. Young shoots eatable. 



European scammony, Cynanchum monspeliacum. Yields 

 French scammony. 



Periploca scammonium. Root yields by incision Smyrna 

 scammony. — P. emetica. Root used for ipecacuanha. 



Periploca Indica. Root, East Indian sarsaparilla, alter- 

 ative. 



Scammony senna, Periploca Grceca, Leaves mixed with 

 senna, more pointed, and longer. P. esculenta. Young shoots 

 esculent. 



Venetian dog's bane, Apocynum Venetum. Leaves mixed 

 up with grease used to poison animals. — A, Indicum, Young 

 shoots eatable. 



American dogs' bane, Apocynum androscemifolium. Root, 

 apocynum, P. U. S., emetic. 



*Peri WINKLE, Vinca pervinca, V. minor; — '^Greater peri- 

 winkle, V, major. Leaves astringent, used in tanning, antidysen- 

 teric, contracting and strengthening the sexual organs : in hot 

 climates the plants of this genus acquire poisonous qualities. 



Theophrasta Americana. Pulp of the fruit esculent. 



Cerbera manghas. Bark purgative. — C Thevetia, C. ahouai. 

 Seeds, nux ahouai, violently emetic. 



BoHON upas, Cerhera oppositifolia. The famous Molucca 

 poison-tree. 



TABERNiEMONTANA AECUATA. Stem lactescent ; exudes rosin. 

 Stapelia incarnata. Herb esculent. 

 Urceola elastica ; — Vahea. Yield elastic gum. 



83. STRYCHNE^. 



Strychnos nux vomica. Ripe pulp eatable in small quantity. 

 Seeds, nux vomica, horny, require rasping or roasting, very bitter, 

 emetic, and poisonous to most animals ; they act as an excitant 

 upon the nervous system, producing tetanus : used in paralysis 

 with some success, and in chronic diarrhoea and chronic dysentery; 

 said to render persons insensible to the poison of serpents. The 

 active principles of it are Strychnia and Brucea. Its action 

 appears to be directed towards the spinal cord, and to have no 

 influence on the brain. It is found useful in paralytic affections 

 of the voluntary muscles. Officinal preparations. — Extractum 

 nucis vomicae, D, 



Ignatia amara, Strychnos Ignatia, Seed,jfaha sancti Ignatii, 

 Saint Ignatius^s bean, has the form of a nut, excessively bitter, 



