RUB 



364 



RUM 



measles and scarlet fever : rubel- 

 oid, a., rdU-el-dyd (Gr. eidos, 

 resemblance), resembling the 

 eruptive disease rubeola. 



Rubiaceae, n. plu., rdb'-i-a'se-e 

 (L. ruler, red in allusion to the 

 colour of the roots), the Madder 

 and Peruvian Bark family, an 

 Order of plants possessed of 

 tonic, febrifuge, and astringent 

 properties, and which furnish 

 important substances to the 

 materia medica : Rubia, n. , 

 rdb'-i-a, an interesting genus of 

 plants : Rubia tinctoriav tingle- 

 tdr^-i'd (L. tinctorius-y of or be- 

 longing to dyeing. from tingo, 

 I dye), a species whose root is 

 the Madder of commerce, which 

 contains three colouring matters, 

 viz. madder purple, orange, and 

 red : R. nmnjista, mun-jisl'-a 

 (native name), also called R. 

 cordifolia,. Urdf-i-foV-l-a (L. cor, 

 the heart, cordis, of the heart ; 

 fdlzum, a leaf), another species 

 from which similar dyes are 

 obtained: rubian, n., rdb'-f-dn, 

 an intensely bitter, amorphous, 

 yellow substance procured from 

 Madder. 



rubiginose, a., rdb-idj'-in-oz (L. 

 rublginosus, abounding in rust 

 from riibigo, rust), in bot., of a 

 brownish-red tint; having the 

 colour of rust. 



Rubus, n., rdb'us (L. rubus, a 

 bramble-bush), an extensive and 

 interesting genus of plants, com- 

 prising the rasp, black, and 

 dewberries, etc., Ord. Rosacese : 

 Rubus idsBus, id-e'-us (unascer- 

 tained), the Easpberry and its 

 varieties : R. chamsemorus, 

 Mm-e-moV'&s (Gr. chamai, on 

 the ground ; mdrea, the mulberry 

 tree), a species whose fruit is 

 acid and pleasant, known as the 

 Cloudberry, so named from the 

 high situations where found. 



rudimentary, a., rdd'-i-mZnt'-ar-t 

 (L. rudimenfum, a first attempt 

 or trial), in bot. , an early stage of 



development ; in an imperfectly 

 developed condition. 



Ruellia, n., rd-Mli-a (after John 

 Ruelle, a French botanist), a 

 genus of pretty flowering plants, 

 Ord. Acanthacese : Ruellia aniso- 

 phylla, an- is' 6 >fil'> la (Gr. amstin, 

 anise ; phullon, a leaf), a species 

 whose style exhibits a peculiar 

 irritability ; a deep - blue dye, 

 called 'Room,' is obtained from 

 a species of Ruellia. 



rufescent,. a,, rdf-Vs'sent (L. 

 rufesco, I grow red from rufus, 

 red), in bot., becoming reddish- 

 brown : rufous, a., rof'-us, of a 

 red-brown colour, 



ruga, n., rdg<a, rugae, n. plu., 

 rddf-e (L. ruga, a plait or wrinkle, 

 rugce, plaits or wrinkles), in anat. , 

 the folds into which the mucous 

 membrane of some organs are 

 thrown by the contraction of 

 the external coats, as the ruga? 

 of the stomach, or of the vagina : 

 Rugosa, n. plu., rdg-oz'a, an 

 Order of Corals: rugose, a., 

 rdg-oz', rough with wrinkles ; 

 covered with wrinkled lines : 

 rugulose, a., rdg'ul-oz (dim. of 

 L. ruga) r finely wrinkled. 



rumen, n., rdmf-Zn (L. rumen, the 

 throat or gullet, riimmzs, of the 

 throat or gullet), the first cavity 

 of the complex stomach of Rumin- 

 ants, often called the paunch : 

 Ruminants, n. plu., rdm-m-ants, 

 those animals which ruminate or 

 chew the cud, as the ox, sheep, 

 cow, camel, etc. ; also called 

 Ruminantia, n. plu., rdm'-m-anl 

 shi-a: ruminate, a., rdrn'-m-at, 

 in bot., applied to the hard 

 albumen of some seeds presenting 

 a mottled appearance ; having 

 mottled' albumen. 



Rumex, n., rdm'eks (L. rumex, 

 sorrel), a genus of plants, com- 

 prising the dock, Ord. Polygon- 

 acese : Rumex acetosa, as'et-oz'a 

 (mod. L. acetosus, the sorrel or 

 sour dock from L. dcetum, 

 vinegar), common sorrel, which 



