ROY 



It O Y 



ROYAUMEIX, a town of France, in the department 

 of the Meurte ; 6 miles N. of TouL 



ROY BON, a town of France, in the department of the 

 Ifere, and chief place of a canton, in the diilrift of St. 

 Marcellin ; 7 miles N.N.W. of St. Marcellin. The place 

 contains 2412, and the canton 737^ inhabitant . on 1 ter- 

 ritory of 190 kiliometres, in 11 communes. 



ROYE, a town of France, in the department of the 

 Somme, and chief place of a canton, in the diftridl of 

 Montdidier ; 15 miles S.S.W. ot Peronne. The place 

 contains ^ 1 76, and the canton 14,027 inhabitants, on a ter- 

 ritory of 195 kiliometres, in 39 communes. N. lat. 50 8'. 

 E. long. 2° 52'. 



ROYENA, in Botany, named bv Linnxus in honour of 

 Adrian Van Royen, profefTor of Botany in the univerfity 

 of Leyden, who died in 1779, a ged 74, and was lucceeded 

 by his nephew David, who died in 1799- — Linn. Gen. 221. 

 Schreb. 299. Willd. Sp. PL v. 2. 631. Mart. Mill. Did. 

 v. 4. Ait. Hort. Kew. v. 3. 61. Thunb. Prodr. 80. 

 .lull. Gen. 156. Lamarck Did. v. 6. 320. Illuilr. t. 370. 

 Gaertn. t. 94. — Clafs and order, Deeandria Digynia. Nat. 

 Ord. Bicnrnes, Linn. Guatacan/t, Jufi. 



Gen. Ch. Cal. Perianth inferior, of one leaf, urn-fhaped, 

 live-cleft, permanent. Cor. of one petal ; tube the length 

 of the calyx ; limb lpreading, rcvolute, deeply cloven into 

 five, ovate legments. Slant. Filaments ten, very fhort, 

 fpringing from the corolla ; anthers oblong, acute, twin, 

 erect, as long as the tube. Pijl. Germcn fuperior, ovate, 

 terminating in two ltyles, a little longer than the It aniens ; 

 fligmas Ample* Per'tc. Berry inverted with the coriaceous 

 calyx, flefhy, of tour cells, two of them often abortive. 

 Seed. Nuts folitary, ovate, fomewhat triangular. 



Ed". Ch. Calyx urn-fhaped. Corolla of one petal, with 

 a revolute limb. Berry of four cells, two of them moltly 

 abortive. 



1. R. lueida. Shining-leaved African Bladder-nut. Linn. 

 Sp. PI. 568. ( Staphylodendron africanum fempervirens, 

 foliis fplendentibus ; Commel. Hort. v. 1. iiS - . t. 36.) — 

 Leaves ovate, roughifh with hairs. — Native of tlie Cap ■ 

 of Good Hope, as indeed are all the remaining fpecies. It 

 flowers in May and June. — Thejlem of this evergreen Jhrub 

 is eight or ten feet high, branched in all directions. Leaves 

 generally alternate, on (hort (talks, ovate, pointed, 

 axillary, along the branches, very inconfpicuous. Berry red, 

 and flelhy like an apple. 



2. R. villa/it. Heart-leaved Rovena. Willd. n. 2 



Leaves heart-fhaped, oblong, downy beneath. — It flowers 

 in June and July. — Very fimilar to the lalt in habit, but 

 its brunches are more villous. Leave., elliptic or oblong; 

 heart-fhaped at the bate; <>n (hort, hairy italks. Flo<u 

 axillary, nodding, folitary, on villous II ilks. BraSeas two, 

 oppolite, ovate, pointed, downy, large, decidu 1 . 



3. R. fallens. Pale Royena. \\ illd. n. 3. — " 1 

 igifh-obovate, obtufe, fmooth."- — It Sowers in June and 



July. — We know not of any description or figure of this 

 fpecies which Hands on 1 ity of Thunherg, Alton, 



and Willdenow, who men I gi fpeci charai ter. 



4. R.-gfabra. Myrtle-leaved Afric: r-nut, Linn. 



Sp. PI. J08. (Vitis idaea oethiopii . ' ikiori folio, 



flonhii* albis ; Commel. Hort. v. t. [25. t. ^15.) — Li 



lanceolate, fmooth. — Flowers in Sept mber. — Stem fhrubby, 



live or fix feet bight fending out (lender, le; . 



evergreen branches, covered with a purplifh hark. Leaves 

 rather tmall, ovate, pointed, entire, bright green. Fi vers 

 axillary, along the branches, white. Berry roundifh, 



purple, ripening in our pr<, ■ I m the winter. 



5. R. bir/uta. Hairy-leaved African Bladder-nut. Linn. 



Sp. PI. 568. " Jacq. Colleft. fuppl. no. t. 13. f. 1. 



fragm. t. I. f. 3." — Leaves oblong.lanccolatc, rather vil- 

 lous Flowers in July. — Stem itrong and woody, feven or 



eight feet high, alternately branched, with a grey bark. 

 Leaves an inch long, covered with foft hairs. Flowers on 

 fhort ttalks, axillary, fmall, of a faded purple colour. 



6. R. p'Ayandi-d. Oval-leaved Royena. Linn. Suppl. 240. 

 Willd. n. 6. — Leaves elliptical. Flowers polyandrous, 

 polygamous. — Time of flowering unknown. — Thejlem has 

 knotty, irregular branches, /.eaves iomewhat obovate, co- 

 riaceous, finely downy on both (ides. Flowers in fhort, 

 axillary, downy duller 1. 



7. R. angujlifolia. Willow-leaved Royena. Willd. n. 7. 

 — Leave., lanceolate, acute, fomewhat hairy beneath. It 

 flowers in June and July — This fpecies is adopted on the 

 authority of Willdenow, who obferves, that it differs from 

 all the foregoing ones in having narrow, lanceolate leaves, 

 fharp at both ends, and fomewhat hairy underneath. 



Rnvi , \ is very nearly allied to DlOSPYROS ; the chief 

 points of difference eonfifting in the latter genus having 

 from fix to twelve cells ia the fruit, and fometimes five or 

 fix divifions in the calyx. Linnneus's defeription of the 

 fruit of Royena is erroneous. See Dh>ni-\ EtOi • 



Royena, in Gardening, contains plants of the fhrubby 

 evergreen exotic kind tor the greenhoufe, of which the 

 lpecies cultivated are ; the Ihiniug-leaved rovena, or African 

 bladder-nut (R. lucida) ; the heart-leaved royena, or 

 African bladder-nut (R.villofa) ; the myrtle-leaved royena, 

 or African bladder-nut (R. glabra) ; the hairy-leaved ro- 

 yena, or African bladder-nut (R. hirfuta). 



Method of Culiure. — Thefe plants are often rather trou- 

 blefome in railing, but their culture may be attempted by 

 cuttings and layers. The cuttings fhould be made from 

 the young (hoots, and be planted in the early fpring in 

 fmall pots tilled with a loamy earth, plunging them in a 

 very moderate hot-bed, covering them carefully with hand- 

 glaffes, refrefhing them often with water in fmall propor- 

 tions. When they have itricken roots, and are begun to 

 (hoot, inure them gradually to the open air, and when they 

 are well rooted remove them into feparate fmall pots, ma- 

 naging them afterwards as other rather tender greenhoufe 

 p] in! I, fueh as the orange-tree, &c. 



And the layers may be made from the young bottom 

 (hoots, laying them carefully clown by flitting them as for 

 carnation-., watering them often in the warm feilon, but 



very moderately in the cold. When they are become well 



rooted, take them oft and plant them in feparate pots in 

 the fame manner as the cuttings, giving them the fame 

 fort of management afterwards. 



The lalt fort often lends up fuckers from the roots, and 



may fometimes be increafed by planting in the lame way as 

 the cuttings. They afford variety anion othei reenhoufe 



ROYER.RE, in Geography, a town of Trance, in the 

 department ot the Creole, and chief place of a canton, in 



the di;tnct of Bourganeuf; 9 miles S.E. of Bourganeuf. 

 The place contains 1476, and the < in ton 6675 inhabitants, 

 on a territory of 299 kiliometres, in 1 1 commit 



ROYMATLA, a river of 1 lit dooitan, which i; 1 

 ut lis of the Gangi 



ROYMUNGUL, one of the rai uths of the Ganges. 



R.I >YOC, in E any. See Roioc. 



KOVON, in Geography, a town of I rai . in the de- 

 partment of the (traits of Calais; to miles NA\ 

 St. Pol. 



ROYPOUR, a town of Hindooftan, in Oude ; .-; "■''■ 

 N.W. of Manickpour. Alio, a town oi Bengal; 30 



