150 



Oil of G alba num. Obtained by distilling the gum-resin with 

 water. — Colourless, of galbannm-odour; of 0*904 density; boils at 

 160°; is isomeric with oil of turpentine. 



Oil of Garcinia. ^ee Brindonia Tallow. 



Oil of Gaultiera. See Salicylate of Methyl. 



Oil of Geuill urbanillll (avens). Obtained by distilling the 

 root with water, — Greenish-yellow, of butter-consistence, smells of 

 cloves. 



Oil of Hedwi^ia balsamifera. Obtained by distillation with 

 water from the balsam. — Yellow, has a pleasant turpentine-like 

 odour and a hot taste ; is lighter than water. 



Oil of HeliailtllUS animus (sunflower). Obtained by pressing 

 the seeds. — Pale-yellow, thicker than hempseed oil, of 0*926 

 density, dries slowly ; becomes turbid even at an ordinary tempera- 

 ture; solidifies completely at — 16°. 



Oil of Hesperis inatronalis. Obtained by pressing the seeds. 

 — Greenish, turns brown on keeping; of 0*928 density; almost 

 inodorous, drying readily; still completely liquid at — 15°, 



Oil of Hunmlus Lupulus (hops)=C2o Hie, mixed with Coq His 

 + 2 HO. Obtained by aqueous distillation from the female 

 flowers. — Colourless or yellowish, thin; smells penetrating-narcotic 

 of hops; tastes hot, slightly bitter like wild marjoram and thyme; 

 is neutral, of 0*910 density. The hydrocarbon distils between 

 125°-175°, the hydrate at 210°, 



Oil of HyOSCyainuS nij»'er (henbane). Obtained by pressing 

 the seeds. — Pale green-yellow, rather thin, inodorous, mild, of 

 0*913 density, dissolves scarcely in 60 parts absolute alcohol. 



Oil of HySSOpuS officinalis (hyssop). Obtained by distilling 

 the herb with water. — Colourless, of peculiar odour; of acrid, 

 camphoraceous taste and of neutral reaction; has a density of 

 0*88-0-98 ; distils between 142° and 1 62°, the last portion coloured; 

 is a mixtui-e of at least two difierent oils. 



Oil of latroplia Cnrcas. From the pressed seeds, called physic- 

 nuts. — Colourless, inodorous, mild, of 0*91 density, congeals at — 8° 

 buttei'-like ; dissolves scarcely in alcohol; contains the glycerids of 

 ricinoleic and isocetic acids. 



Oil of lUiciuin anisatum (star-anise). Obtained by distilling 

 the capsules with water. — Yellowish, of a sweetly aromatic smell 

 and taste, of 0*976 density at 20°; separates cold a stearopten 

 consisting of anethol. 



Oil of Illipe. See Galam Butter. 



Oil of Iris. See Iris Stearopten. 



Oil of Irviuffia. See Die a Fat. 



