256 RHUS. 



QUINA.RIA, Raf. Creeper, 2 sp. Q. hederaceaa.n<i 

 hirsuta blended with Hedera, Vitis and Ampelopsis. 

 Beautiful vines. Leaves bitter, eq. of Hedera. ' 



RAPHANUS SATIVUS, L. Radish. Cult and wild. 



Root attenuant, diuretic, stimulant, carminative, eruc- 

 tive. Useful in convulsive asthma, rancedo, ischuria. 



RHAMNUS CATHARTICUS, L. Buckthorn. Na- 

 tive. Berries used to make sap green. Drastic hydra- 

 gogue, nauseous bitter. Used in drops j, rheumatism 

 and gout, cause griping nausea and thirst. Dose 20 fresh 

 berries, the sirup is the best preparation. 



RHEUM, L. Rhubarb. Cult. Root popular stomachic 

 iijpd laxative cliewed fresh, purgative when dry. We 

 ^ave not the true Chinese ip. or Jimodi of Thibet, R. 

 amtrak. R. undulatum mostly cult, also tonic astrin- 

 gent. Leaves edible, laxative, eq. to Rumex. 



RHIZOPHORA, L. Mangrove. In Florida. Bark 

 astringent styptic, tans like oak bark, a bath of it useful 

 tor petechial fevers. Eq. of Quercus. 



RHODODENDRUM, L. Mountain Laurel, Ros^ay. 

 8 sp. E<j. of Kahnia. Bark and leaves astringent. Bi<re- 

 low denies their narcotic quality. Contains tannin and 

 resm. Bark used as stimulant, it increases the heat of 

 the body, excites thirst, increases secretions and excre- 

 tions. Used m rheumatism and gout, by our Indians for 

 ulcers and sour stomach ; they mix the ashes with to- 

 bacco. Leaves poison cattle. Blossoms viscose, when 

 dry errhine, yield resin and sugar. 



RHUS, L. Shumac. All the sp. medical, two series 

 of them. 1. Harmless. 2. Poisonous.. 1 Series, R. gla- 

 bnim, typhinum and copallimim eq. Roots antisyphi- 

 litic, used by Indians, dye wool redisb. Leaves "have 

 much tannin, make the Morocco leather, dve wool and 

 silk black, good astringent for all fluxes. Bark and ber- 

 ries make ink. Fresh roots used for rheumatism, spiri- 

 tuous infusion rubbed with flannel. Gum similar to co- 

 par, cures tooth ache put in hollow teeth. Indian flutes 

 made of the stems. Berries used in dysentcy, rheu- 

 matism, dysuria, sorethroat, putrid fevers, hemorrhage, 

 gangrene, &c. they have an agreeable acid taste, make a 

 cooling drink infused in water. Efflorescence on them 

 used as salt and vinegar : it is malic acid. Seeds ia 



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