153 



0-93 density; after the stearopten has been removed by rectifica- 

 tion, of 0'876 density; boils rather constantly at 160°. [Ghid- 

 stone found in the crude oil a hydrocarljon almost identical with 

 oil of turpentine, mixed with an oxydised oilrzCoo H14 O o, which 

 is isomeric with carvol, of 0"951 density, 225° boiling point, and 

 bearer of the peculiar smell of the plant. — M. austrcdis: Like 

 peppermint-oil of second qviality. — M. gracilis : Odour between 

 peppermint and penny-royal; of 0*914 density. — M. laxi flora: Of 

 coarse smell; of fiery, bitter, very unpleasant, naiiseovis taste; of 

 0-924 density.— 7?e/j. of Exh. of 1862.] 



Oil of Merciirialis annua. Obtained from the (dried) herb 

 by distillation with water. — Of a thickish consistence. The green 

 herb is said to yield no oil. 



Oil of Morin«-a Oleifera (ben). Fat-oil of the seeds. — Pale- 

 yellowish, of 0-912 density; fluid at 25°, thick at 15°, solid at lower 

 temperatures; inodorous, of a pleasant mild taste (according to 

 others, acrid and bitter); saponifies slowly ; contains a peculiar, 

 solid fat-acid, Benic acidii:C44 H44 O4. — The oil of M. aptera 

 contains a peculiar but liquid fat-acid, Moringic acid, which 

 scarcely difiers from oleic acid. 



Oil of Myrica, See Myrica Wax. 



Oil of Myrica CJale (gale). Obtained by distilling the leaves with 

 water. — Brownish-yellow, at 12° thickish; of a peculiar, ])leasant, 

 balsamic odour ; tastes at first mild, afterwards hot, and lastingly 

 styptic; is of neutral reaction, of 0-876 density; dissolves in 40 

 parts alcohol of 0.875. 



Oil of Myristica frag'rans. Obtained by distillation with 

 water. — (a) From mace, the covering of the seeds; yellowish, thin, 

 smells strongly like mace, of a burning aromatic taste ; separates 

 no solid at — 12°, begins to boil at 160°, the temperature slowly 

 rising to 180°. The composition of the oil is 3C20H16 + HO, the 

 more volatile portion being a hydrocarbon of thyme-like odour, 

 0-853 density.- -(6) From the seeds (nutmegs). Nearly colourless, 

 thin, of a strong smell and taste of the seeds, neutral ; yields no 

 sediment, even at — 7°; is of 0-850 density; commences to boil at 

 160°, the temperature rising slowly beyond 200°. Its composition 

 is exactly like oil of mace. 



Oil of MyiTli = C2o Hi4 O2. Obtained by distillation with 

 water. Pale-yellow, thickish, of the taste and smell of myrrh ; 

 lighter than water ; of acid reaction. 



Oil of Myrtus communis (myrtle). Obtained from the leaves, 

 flowers, and fresh fruits by aqueous distillation. — Yellowish or 

 ^eenish yellow, lightei- than Avater. 



