Rosins. 205 



Gum GiTAiACUM, Ginnmi gitaiacum^ Guaiaci resiiia. By in- 

 cision, from Guaiacum officinale ; tonic, antiscorbutic, diapho- 

 retic, in doses of gr. v to 3j, in pills or in emulsion ; purgative in 

 doses of gr. xv. to 3ij : Manchmeal gum is sold for it. From 

 the West Indies. 



IxcENSE, Frankincense, Encens, Looban^ Thus hi gnttis, OH- 

 banum in guttis, Jnniperi hycice gximmi resina; — the larger grains, 

 Encens male. Thus mascidum ; — the smaller grains, Encens finielle, 

 T7}us fcemininum ; — the grains from which the dusty crust has 

 been rubbed off in carriage, leaving them transparent, Manna 

 thuris crgstallina ; — the dust of the crusts collected at the bottom 

 of the sacks. Manna thuris. In small, pale, yellow drops, like 

 mastich, rather hard, transparent, bitterish, sweet-smelling, not 

 easily melted, takes fire easily, and burns with a sweet odour, 

 leaving white ashes : sialogogue, stimulant 3ss to 3ij ; also used 

 to fumigate sick-rooms, and in religious ceremonies. From some 

 thorny tree, Juniperus Lycia ? J. Phoenicia ? J. thurifera ? 

 x\myris kataf ? or some undescribed amyris. Brought from the 

 Levant ; pink olibanum and fir rosin are sold for it. 



PlXK OLIBAXUM, Avul (bcst) cooncloor, Parinr/hi samhrani, 

 Ijoohan, Suhka hirosa, Olibanum^ P. L. since 1805. In semi- 

 transparent tears, pink colour, brittle, adhesive to the teeth when 

 chewed, bitterish, pungent, aromatic, burning with an agreeable 

 odour, and clear steady light, leaving a black coal. By incision 

 from the sala or birosa tree, Boswellia serrata, or Libanus thuri- 

 fera : used in India as a medicine, but not as incense. 



Bkowk OLIBAXUM, Koondricuiv, Coondoor, Googil, llius in 

 massis. In pretty large agglutinated masses, composed of light 

 brown and yellowish tears, a stony hardness when pressed between 

 the teeth, slightly pungent and bitter, more perfectly soluble in 

 alcohol and ether than pink olibanum, and not burning with such 

 a l)rilliant light. Obtained from Boswellia glabra by incision : 

 used in the East Indies as incense in religious ceremonies, and, 

 when melted with some cheap oil, used as pitch. From Mada- 

 U''»*-car, Arabia, Sumatra, and the other eastern islands. 



La DA SUM, Lrdjdmnnn. Exudes from the Cistus creticus, 

 obtained by lashing the tree with leather straps, to which it ad- 

 heres, and is scraped off. — Ladanum in sortis. By boiling the 

 twigs of Cistus ladanifcrus in water: digestive, tonic, astringent; 

 also used in toothach. 



Mastich, Maj<tirhr, lirsina /rntiscinrr, Pistnrioi h'ntisci resina. 

 By incision, from Pistacia lentiscus; in small, round, yellow 

 drops ; tonic, detersive, and chewed to sweeten the breath and 

 fasten the teeth. From the Levant. — Barhari/ jnasfirh. From 

 the Pistacia Atlantica. 



