208 IV. OILY COMPOUND COMBUSTIBLES.— 



Manchinel gum. Yielded by the Hippomane mancinella ; 

 sold for gum guaiacum. 



Canarium gum. Y''ielded by C. balsamiferura ; sweet scented, 

 used for incense. 



Clove gum. Resina caryophyllorum. Reddish brown, found 

 among cloves. 



AvA DAMMER. From Pinus dammar. — White Malabar dam- 

 mer. — Black Malabar dammer. — Coarse Malabar dammer. All 

 from Chloroxylon chupada. — Nepaul dammer. From Shorea 

 robusta. All these dammers are used in India for all the pur- 

 poses of turpentine, rosin, and pitch. 



Tecamez sandal resix. From the sandal tree of Tecamez. 

 — Volkameria rosin. From the V. inermis of India. — Neio Zea- 

 land rosin. From Avicennia resinifera. Both are red and 

 astringent. 



Hog gum. Exudes from Rhus metopium. Is black, very 

 adhesive : called hog gum because the wild hogs, when wounded, 

 rub themselves against the tree. 



Tabern.e MONTANA RESIN. From T. arcuata. — Mombin 

 rosin. The produce of Spondias n)yrobalanus. — Bursera rosin. 

 The produce of B. Orientalis; is tonic, styptic. — Escallonia rosin. 

 From E. resinifera, purplish. — Uvaria gum. From U. tritape- 

 loidea, very odoriferous: all these are tonic, astringent, and 

 aromatic. 



Augia rosin. From A. Sinensis; black, used in China for 

 varnish, and medicinally as a purgative. 



Barbadoes cedar rosin, Gummi cedrinum^ Col. of Ph. Col. 



Peruvian mastich. From Schinus molle ; white, smelling 

 like fennel and pepper. 



CouMiA resin. From Amyris ambrosiacia ; used as incense, 

 and in chronic diarrhoea. 



TicuNA. From Amyris toxifera ; used to poison weapons for 

 war and hunting. 



KiNA-KiNA ROSIN. Yielded by Myrospermum pedicellatum ; 

 used by gouty persons to hold in the hand. 



LovAGE ROSIN, Resina ligustici. Exuded by Cornish lovage. 



GuARANA. From Brazil. Col. Ph. Col. Origin not known. 



Boiled pitch, Stone pitchy Pix sicca, P. atra, P. navalis, P. 

 arida, P. L. before 1809. Obtained by boiHng or distilling tar 

 to the desired consistence ; in medicine used only as a resolvent 

 in plasters. — Fired pitch. By letting tar burn until about half, or 



