346 Botanic Drugs 



GEUM URBANUM, Denmark only. WATER-AVENS, 

 a tonic and astringent used in the treatment of 

 diarrhea. 



GIGARTINA MAMILLOSA, widely official, inclusive of 

 the U. S. P. IX. IRISH Moss. Known as CIIONDRUS 

 in the U. S. P. A demulcent and emulsifying agent. 



GLECOMA HEDERACEAE, France and Spain. 

 GROUND IVY, a stimulant and tonic of little value. 



HEVEA SPECIES, widely official. CAOUTCHOUC, 

 RUBBER. 



HIBISCUS JAPONICUS, Japan only. From the 

 species, probably a demulcent. No definite data 

 available. 



HYDROCOTYLE ASIATICA, Mexico, Netherlands, 

 and Spain. INDIAN PENNYWORT, a diuretic agent. 



HYPERICUM PERFORATUM, Croatia, France, Mex- 

 ico, Serbia, and Sweden. ST. JOHN'S WORT, largely 

 used as an application to cuts and bruises. An 

 astringent, mildly sedative. 



IPOMOEA HEDERACEA, British only. PHARBITIS 

 seed, a purgative similar in action to jalap. 



IPOMOEA TURPETHUM, four countries. TURPETH, 

 a purgative similar to jalap. 



LAMINARIA CLOUSTONII, Spain only. SEA-WEED 

 tents. 



LARIX DECIDUA, widely official as the source of 

 VENICE TURPENTINE. See "Abies." 



LASERPITIUM SILER, Spain only. Name not found 

 in botanies or other works. Can't define it. 



LEVISTICUM OFFICINALE, Germany and Switzer- 

 land. LOVAGE, carminative, diaphoretic, and re- 

 puted emmenagogue. 



MANIHOT UTILISSIMA, Japan and Mexico. TAPI- 

 OCA. 



