148 III. COMPOUND COMBUSTIBLES.— 



Black coral, Corallium nigrum^ Gorgonium antipathes. Used 

 in epilepsy. 



UNKNOWN ANIMAL SUBSTANCES. 



TiMPOST. Similar to castor, used in the Celebes. 



Indian grass, Sea grass^ Ladang, Laid. Used by anglers for 

 the end of their lines next the hook ; said to partake of the nature 

 of a worm and a coralline. When alive, soft, and shrinks into 

 the sand on the least touch ; when dry, hard, straight, brittle. 

 From Sumatra, kept oiled and in oiled gut skins to preserve its 

 toughness. 



III. COMPOUND COMBUSTIBLES. 



NOT OF AN OILY NATURE. 



OF VEGETABLE ORIGIN. 



SUGARS. 



Manna in tears. Manna in lacrymis. Flows spontaneously 

 from the manna ash trees, and dries upon the bark, in the months 

 of June and July. Manna is mostly obtained from the Fraxinus 

 rotundifoUa^ but is yielded, though in less quantity, by the F. 

 ornus, F. excelsior, and F, parvifolia. It is also yielded by the 

 plum, oak, and willow. — Flake manna, M. canulata. Hangs in 

 stalactites from straw, &c., bound round the tree in June and July. 

 Manna is laxative, in a dose of 31] to ^ss for children, or ^jss for 

 adults, in milk or any other liquid; from Sicily. — Commonmanna^ 

 M. pinguis, M. in sortis. Flows from incisions made after the 1st 

 of August ; Sicily. — Brian(;cm manna, M. laricis. Found on the 

 leaves of the larch in Dauphiny ; laxative, but weaker than that 

 of the ash ; is probably a honey dew. — Arabian manna. Manna of 

 Moses. Exuded in June from a species of tamarisk, growing in 

 the deserts ; only to be collected at early dawn, as the heat of the 

 day melts it, and it runs into the sand ; white, solid, if kept in a 

 cool place, but melts even by the heat of the hand ; sweet, aro- 

 matic : very scarce, only to be found in rainy years. — Persian 

 manna, Wa.di ennad, Terreniahin. Exuded from the Hedysarum 

 alhagi ; used as a Y>urga.tive.—Sarcocolla. Origin unknown : car- 

 ried from Ethiopia to India, and hence to Europe ; used as a 

 slight astringent. 



