It O It 



It o s 



ROyUILLE, a meafure of capacity in the Weft Indies ; 

 i he Englifh gallon is divided into two pots, four pintes, 

 fight chopines, fixteen roquilles, thirty-two muccs, or fixty- 

 four demi-muces. 



ROCjUlTE, in Geography, a river of Africa, which runs 

 into the Atlantic ; 70 miles S.E. of cape Bajador. 



ROR, a town of Bavaria; four miles S.W. of Abenf- 

 perg. 



RORAAS, a town of Norway, in the province of 

 Drontheim ; near which is a large copper mine, dilcovered 

 in the year 1644; 68 miles S.S.E. of Drontheim. This 

 mine is in the fouthern Hope of the chain of Dofra, in 

 a rock of what the Germans call horn-fchiffer, or horn- 

 blende flatc. The veins are from fix inches to fix ells in 

 thicknefs ; and the ore of a pale yellow. The mines of 

 Roraas are very productive, and a lource of confiderable 

 revenue. 



RORARIUS, Jkrome, in Biography, who flourifhed 

 about the middle of the 1 6th century, was a native of 

 Pordenone, in Italy, and in the courle of time he became 

 nuncio from pope Clement VI 1. at the court of Ferdinand, 

 king of Hungary. He was author of a curious work, en- 

 titled " Quod animalia Bruta Ratione utantur melius 

 Homine," in which lie undertakes to (hew, not only that 

 bealls are rational creatures, but alfo that they make a 

 better ufe of their reafon than man. This work, after 

 lying concealed 111 the obfeure recedes of libraries 100 years, 

 was publilhed by M. Naudeat Paris in 1645. Bayle. 



RORBACH, in Geography, a town of Aultria ; 18 

 miles W. of Freyltatt. — Alfo, a town of France, in the 

 department of the Mofelle, and chief place of a canton, in 

 the diitricl of Sarreguemines ; fix miles W. of Bitche. 

 The place contains 655, and the canton 10,280 inhabitants, 

 on a territory of 187^ kiliometres, in 20 communes. —Alio, 

 a town of Germany, in the principality of Culmbach ; 

 feven miles S.S.E. of Gemunden. 



RORE, in Biography. See Cipkiano. 

 RORENTZBERG, i:i Geography, a mountain of Ger- 

 many, on the Brifgau ; two miles S. of Triberg. 



RORHAW, a town of Aultria; eight miles W.S.W. 

 of Hamburg. 



RORICIiE, a river of Brandenburg, which runs into 

 the Oder ; three miles N.W. of Kouiglberg. 



RORIDULA, in Botany, from roridus, moid with dew, 

 in allulion to the glandular moifture which clothes its herbage, 

 like that ol Drofera, the Sun-dew. — Linn. Gen. 567. 

 Schreb. 157. Willd. Sp. PI. v. 1. 1184. Mart. Mill. 

 DicL v. '4. Juff. 426. Lamarck Illuftr. 1. 141. Gxrtn. 

 t. 62. — Ciafs and wider, Pentandria Monogynia. Nat. Ord. 

 uncertain, Jufl. 



Gen. Ch. I'.i!. Perianth inferior, of five lanceolate, equal, 

 permanent leaves. Cor. Petals five, ovate-oblong, equal, 

 larger than the calyx. Slam. Filament:. five, awl-fhaped, 

 l>, .It the length ol the corolla; anthers inferted a little above 

 their bafe, oblong, oi two parallel, nearly cylindrical lobes, 

 opening obliquely at the top, and feparatcd almolt hall way 

 down ; their bale pouch-like, downwards, termed 



by Linnaeus the nectary. J'://. Germen fuperior, oblong; 

 itylc thread-fhaped, the length of the ftamens ; itigma 

 abrupt, llightly three-lobed. Peric. Capiulc oblong, tri- 

 ilar, of three cells and three valves, 'he partitions con- 

 trary to the valves. Seedt folitary, oval, angular at one 

 I'll. , minutely dotted in rows. 



Efl. Ch. Corolla of live petals. Calyx of five leaves. 

 Anthers with a pouch at the bafe. Capiulc of three valves 

 and three cells. Seeds folitary. 



Obf. Linnxus defcribe^ numerous feeds, but Gartner 



and JulTieu found them folitary in each cell. There is no 

 reafon to (uppofe thele writers did not examine the very 

 identical fpecies. 



1. R. dentala. Linn. Gen. PI. 567. Syft. Veg. ed. 14. 

 244. Willd. n. 1. (R. mufcicapa ; G;ertn. v. 1. 298. 

 Ircon verticillata ; Burm. Prodr. Cap. 6. ) Native of bogj 

 at tiie Cape of Good Hope, but apparently either in fome 

 remote trad, or not of frequent occurrence. The Jlem is 

 fhrubby, branched, round, fniooth, purphlh. Leaves nu- 

 merous, crowded about the ends of the lateral (hoots, linear- 

 lanceolate, pointed, about two inches long, finely downy, 

 deeply pinnatifid, or pectinate ; their fegments awl-fhaped, 

 fringed with glandular-tipped bridles. Floiuer-Jlalls firft 

 terminal, then lateral, folitary, racemole, woolly, longer 

 than the leaves, each bearing about four large and handfome 

 jlowers. Bratleas and calyx fringed like the leave. The 

 petals feem to be white, or blufTi-coloured. This is a very 

 line and lingular plant, with which it is pity we are not ac- 

 quainted in a recent itatc. May it not be allied to Juilieu's 

 1 "diace<z ? 



RORIFEROUS Duct, q. d. dew dropping-pipe ; a name 

 given by fome to the thoracic duct ; from its How manner 

 of conveying, and, as it were, dillilling, the eh le uito the 

 common ltream of blood. 



RORIPA, or RoRIPPA, in Botany, Scop. Cam. ed. 1. 

 520. Adanfon Fam. v. 2. 417, a name which Scopoli 

 lays he borrowed from Gefner, and by which he defignated 

 a genus, which he feparatcd from Sifymbrium, on account 

 of its coloured calyx, four converging glands, and Ihort 

 pods. The fame author, in his fecond edition of Flora 

 Carniolica, reduces this genus, as molt others have done, to 

 Sisymbrium ; fee that article. 



RORNBACH, in Geography, a town of the bimopric 

 of PafTau ; two miles N. of Pallau. 



RORSBACH, a town of the Helvetian republic, be- 

 longing to the abbey of St. Gall ; fix miles N.E. of St. 

 Gall. 



RORSHEIM, a town of Weftphalia, in the princi- 

 pality of Halberftadt; fix miles N.E. of Oiterwick. 

 ROS, Dew. See Dew. 



Ro.s Solis, in Botany, Sun Dew, a plant fo called from 

 the clear drops of viicid moifture, Handing on the!)-. 

 which clothe its foliage ; moft abundant a, id confpicuous in 

 hot bright weather. See DroseRA. 



Ros Vitrioli, among Chemijls, is fometimes nfed foe the 

 firit phlegm diltilled from vitriol in balneo Mari 



Ros fur Couefnon, in Geography, a town ol France, in 

 the department of the Ille and Vilaiue ; feven miles E.N.E. 

 of Dol. 



ROSA, in Botany, an ancient and popular name, di 

 with moft probability, from the Celtic, ros or rhos ; wi 

 eoiu.<; alio its Greek lynonym, poJoi ; and th the 



lame (lower in various modern languages, Role, Rofa, &C, 



De Theia remarks, that thfli Celtic rhodd, or rhudd, rei 

 tin primacy root of thele word , the rofe colour 1 

 almolt [ynonimous with rednefs. Hence alfo came ■■- 

 Rubia, kiilms, and the Greek nan 1 



I , or 1 • ■ . 1 , Hill in ufe. A li thefi words 1 



reference to a led colour, in fome ] 



— Linn. Gen. 254. Schreb. 341. Willd. Sp. PI. v. 2. 



I063. Mart. Mill. l)..-t. v. 4. Sin. Fl. Brit. 537. Prodr. 



Fl. Grsec. Sibth. v. 1. 347. Ait. Kew. \. 3. 257. 



Purlh 344. Jul!'. 335. Lamarck Illuftr. t. 440. GaJrtn. 

 t. 73. CUfs and order, fcoj •'■ Nat. Ord. 



Senthojlr, Linn. RnJ'actx, Jll 



Gen. Ch. Cal. Peria: 

 or globole, contracted at the top j limb fpi I 



