192 IV. OILY COMPOUND COMBUSTIBLES.— 



Oil of hyssop leaves, Oleum hyssopi, 2 cwt. yielded 6 oz., 

 301b. yielded 3ix. 



Essence des violettes. Oleum iridis. From the root of 

 Florentine orris ; smells like violets. 



Essence of jasmine, Oleum jasmhii. From the flowers of J. 

 grandiflorum, not picked from their cups ; yielded in very small 

 quantity, highly fragrant : brought from the East Indies. 



Oleum juniperi, O. haccarum juniperi communis. From the 

 berries ; diuretic : lib. yielded 3iij, and 481b. yielded 6 oz. 



Essence of lavender, English oil of lavender., O. lavandulce, 

 O. lavandulcB spicce. From the flowers of narrow-leaved lavender, 

 very fine scented, unites with strong acetic acid, sp. grav. 0*898; 

 at 68 deg. Fahr. dissolves copal; 24 bundles produced 144 oz. 



FoREiGiNT OIL OF LAVENDER, O. lavandul(B[latifolicB^ O. lav, 

 exoticum. From the flowers and seeds of broad-leaved lavender ; 

 sweet scented : Italy and south of France. 



True oil of spike, Huile d^aspic, O. spica verum^ O. lav, 

 sfcechadis, O. lav. spicce. From the flowers and seeds of French 

 lavender, Lavandula staechas, with a quick fire ; inferior in scent 

 to those of lavander : from Languedoc and Provence. 



Rectified oil of lavender. Drawing off* 3 oz. in 5 ; sp. 

 grav. 0*877 ; at 68 Fahr. used for choice perfumery ; the residue 

 contains camphire. 



True Riga balsam, Baume de Caipathesy Balsamum Libani. 

 From the shoots of Pinus cembra, previously bruised and mace- 

 rated for a month in water ; pellucid, very liquid, whitish, smell 

 and taste of oil of juniper, vulnerary, diuretic. 



Essence of lemons. Essentia limonum, O. limonis, Citri 

 mediccB oleum volatile. From the fresh peels of lemons ; limpid, 

 watery, fragrant ; used in perfumery : from Italy. 



Distilled oil of mace, Oleum macis stillatitium. From that 

 spice ; liquid, pale citron, smelling of the mace. 



Oil of sweet marjoram, Oleum marjorana:, 851b. fresh 

 yield 3 oz. 3VJ. 



Oil of balm, Oleum melisscc, 961b. yield jj. 



Oil OF PEPPERMINT, Oleum mentJice piperitce^ O. herhce mentlicz 

 piper it. Jlorescentis, From the dried plant ; 41b. of the fresh herb 

 yielded 3iij ; used to flavour spirit. 



Rectified oil of peppermint. Used for peppermint 

 lozenges and drops ; very warm. 



Oil of mint, Oleum menthce viridis, O. menthce vulgaris, O. 

 menthcBsativcc, From the dried plant ; 33 doz. yielded 8 oz. and 



