LIQUID AMBAR 



213 



CONSTITUENTS. Containing a volatile oil and a resin, and cinnamic and 

 benzoic acids, storax is rightly classed as a balsam. Its most abun- 

 dant constituent is storesin, CseHssOs, existing both free and as a 

 cinnamic ether. Cinnamic acid exists to the extent of 6 to 12 per 

 cent., various ethers of it occurring, styracin being the cinnamate 

 of cinnamyl. Storax also contains a liquid hydrocarbon, styrol, 

 CsH 8 , or cinnamene, having the storax odor and taste, and another 

 fragrant constituent, vanillin, not more than i per cent, of ash. 



ACTION AND USES. Stimulant expectorant. Dose: 5 to 20 gr. (0.3 to 

 1.3 Gm.). 



OFFICIAL PREPARATION. 



Tinctura Benzoin! Composita (8 per cent.),. .Dose: J^ to 2 fl. dr. (2 to 8 mils). 



202. LIQUIDAMBAR. SWEET GUM. A balsam exuding spontaneously or from 

 incisions made in the trunk of Liquidam'bar styraci'flua. Habitat: Southern 

 United States and Central America. It is a pale yellowish, opaque liquid of 

 honey-like consistence, or thick, golden brown, solidifying on exposure to a 

 transparent, amber-colored mass, which softens at the heat of the hand; odor 

 storax-like; taste aromatic and pungent. Stimulant expectorant, mostly 

 used in the manufacture of chewing-gum. 



ROSACE^. Rose Family 



Herbs, shrubs, or trees, with pinnate, palmate, or simple, alternate leaves. 

 Flowers, regular, sepals usually 5, united petals 5, perigynous; stamens numerous 

 distinct, perigynous; pistils I to many. The different tribes are characterized 

 by the fruit a drupe in Pruneae, follicles in Spiraeas, druples in Rubeae, dry 

 akenes in Potentilleae and Poterieae, bony akenes in Roseae, and pomes in Pomeae. 

 Except in the seeds of the drupe-fruits, which develop the poison hydrocyanic 

 acid, this order is destitute of noxious qualities. 



Synopsis of Drugs from the Rosacea 



A. Barks. B. 



PRUNUS VIRGIN- 



IANA, 203. 

 Choke Cherry, 204. 

 Malus, 207. 

 *RUBUS, 217. 

 *Quillaja, 212. 



D. Leaves. F. 



Persica, 206. 

 Laurocerasus, 220. 

 Pragaria, 221. 



E. Flowers and Petals. 



ROSA GALLICA, G. 



213. 

 Rosa Centifolia, 214. 



*CUSSO, 222. 



Seeds. C. Fruits. 



AMYGDALA AM- *Prunum, 205. 



ARA, 209. *Rubus Idaeus, 218. 



AMYGDALA DUL- 



CIS, 210. 

 Cydonium, 208. 



Craetegus, 219. 

 Pyrus Malus, 207 



Rhizomes. H. 



Tormentilla, 223. 



Geum Urbanum, 224. 



Geum Rivale, 225. 



Gillenia, 226. 

 Herbs. I. 



Agrimonia, 227. 



Potentilla, 228. 



Spiraea, 229. 



Rosa Canina, 215. 



Volatile Oils. 

 OLEUM ROSI, 216. 

 OLEUM AMYGDA- 

 LAE AMA&, 209 a. 



Fixed Oils. 



OLEUM AMYGDA- 

 LA EXPRESSUM, 



211. 



