RUE 



358 



RHI 



as a hydragogue cathartic in 

 dropsy, and whose greenish juice, 

 mixed with lime, forms the 

 colour called sap - green : R. 



I break, so named from the 

 brittleness of its branches), Black 

 Alder, is emetic and purgative, 

 the wood supplying charcoal for 

 gunpowder, and crayons for 

 artists : R. infectorius, m'fek- 

 tor'-i-us (L. infectorius, that 

 serves for dyeing from infector, 

 a dyer), a species whose berries 

 are called French berries, and 

 have been used for dyeing : R. 

 dahuricus, da-ur'-ik-us (native 

 name), produces a red - wood, 

 called by the Russians 'Sandal- 

 wood': R. chlorophorus, klor- 

 df-tir-tis (Gr. chloros, green ; 

 phorZo, I bear) ; and R. utilis, 

 ut'-il'is (L. utilis, useful), are 

 species from which the Chinese 

 prepare their beautiful green dye, 

 Lo-kao, called in this country 

 Chinese Green- Indigo. 



rheum, n., rdm (Gr. rheuma, 

 that which flows from rheo, 

 I flow), the increased secretions 

 of the mucous glands caused by 

 a cold. 



Rheum, n. , return (Rha, old name 

 of river Volga, from whose banks 

 originally brought), the Ehubarb 

 plant, a genus of well-known 

 plants, Ord. Polygonaceee : Rheum 

 officinale, 8f-fte'4n-al'% (L. offfo- 

 indlis, officinal, by authority 

 officlna, a workshop), the officinal 

 rhubarb plant, originally from 

 Thibet : R. palmatum, pal-mdt'- 

 um (L. palmdtus, marked with 

 the palm of the hand), at one 

 time considered the true rhubarb 

 plant R. undulatum, ftn'-dul* 

 dt f -um (L. unduldtus, undulated 



from unda, a wave), a species 

 which yields much of the French 

 rhubarb : R. compactum, Jctim- 

 paJct'um (L. compactus, pressed 



from con, together ; pactus, 

 driven in), a species also yielding 



French rhubarb, but cultivated 

 in Britain for its acid petioles : 

 R. rhapontieum, ra-pont'-ik-um 

 (Rha, old name of river Volga ; 

 L. ponticus, of or relating to the 

 Pontus or Black Sea), a species 

 used in France and Britain as 

 R. compactum : R. hybridum, 

 hl'brid'Um (L. hybridus, of or 

 pert, to a hybrid from hybrida, 

 a mongrel, a hybrid), common 

 rhubarb, cultivated in Germany 

 for its root, and in Britain for its 

 stalks : R. leucorhizum, Id&dr* 

 iz'-um (Gr. leukos, white ; rkiza, 

 a root), a Siberian and Altai 

 species, said to yield imperial or 

 white rhubarb ; rhubarb contains 

 raphides of oxalate of lime, along 

 with tannin, gallic acid, resin, 

 and a peculiar yellow coloured 

 principle called 'rhubarberin'; 

 rhubarb is employed as a cath- 

 artic, astringent, and tonic. 



rheumatism, n., rdm'-at-km (L. 

 rheumalismus, rheum, catarrh 

 from rheuma, a watery fluid), 

 a painful disease affecting the 

 muscles and joints, causing 

 swelling and stiffness : rheum- 

 atic, a., rdrn'tit'-ik, pert, to or 

 affected with rheumatism : rheum- 

 atoid, a., r6m'at-dj/d (Gr. eidos, 

 resemblance), having the appear- 

 ance of rheumatism : rheumatoid 

 arthritis, a chronic disease of the 

 bones and joints, having a great 

 resemblance to rheumatism, but is 

 really a different disease. NOTE. 

 This is that form of rheumatism 

 which cripples and deforms. It 

 may attack all the joints, but has 

 no tendency to shorten life. 



rhinal, a., rln'-dl (Gr. rhin, the 

 nose), of or pert, to the nose : 

 rhinalgia, n., rm-alf-i-d (Gr. 

 algos, pain, grief), pain in the 

 nose : rhinoplastic, a. , rln'o- 

 plast'ik (Gr. plastilcos, suitable 

 for being fashioned or formed), 

 an operation by which a piece of 

 skin can be taken from a healthy 

 part of the body and placed on a 



