ROS ROX 
ROY RUB 
SherardI . . . Piuk . . 6. H. De. S. England 
slnlea .... White . 6, H. De. CL China . .1759 
BpinosIssImS . . Wht. red 6, H. De. S. Britain . . 
iuav^Olene . . . Pink . . 6, H. De. S. N. Amer. . 1800 
euivls .... Purple . 6, H. De. S. . 1818 
sulphtiraa . . . Yellow . 7. H. De. S. Levant . . 1629 
aylvestrla . . . Red . . 6, H. De. S. England 
■S’.stvlil .... Pink . . 6, H. De. Cl. Britain . . 
tiurlca .... Red . . 6, H. De. S. 
tomentusa . . . Red wht. 6, H. De. S. Britain . . 
scabriascula, 13 Pink . . 6, H. De. 8. Britain . . 
turbinata . . . Red . . 6, H. De. S. Germany . 1629 
francofurtana . Ro. purp. 6, H. De. S. Frankfort . 
orbessanfea . . Rose cli 6, H. De. S. 
villosa .... Red . . 6, H. De. S. Britain . . 
pomifera . . Red . . 6. H. De. S. Europe . . 
resinosa . . . Red . . 6, H. De. S. Ireland . . 
WoOdsIi . . . Pink . . 5, H. De. S. N. Amer. . 
Roscuka, Smith. In honour of William Roscoe, the 
famous historian of the Medici, and the founder of 
the Liverpool Botanic Garden. Linn. 1, Or. 1, 
Nat. Or. Zingiber acece. A genus of pretty plants 
when in flower. A light turfy loam suits them 
best, and they are readily propagated by divisions, 
eapitata . . . Purple . 7, S. Her. P. Nepal . . 1819 
elatior .... Purple . 7, s. Her. P. Nepal . . 1820 
gracilis .... Purple . 7, S. Her. P. Nepal . .1821 
purpurea . . . Purple . 7, S. Her. P. Nepal . .1820 
spicata .... Purple . 7> S. Her. P. Nepal . . 1820 
Rose, see Rdsi. 
Rose acacia, see Rohintd, hIspidS. 
Rose bay, see EpifobtOm a}tgustif6nam. 
Rose campio.v, see Lychnis. 
Rosei.late, when leaves are disposed like the petals 
of a rose. 
Rosemary, see Athamdntd LibanOtU. 
Rosemary, see Cachrys LibanOtU. 
Rosemary, see RosmarJnfts. 
Rose of Heaven, see Lychnis Call-rOsd. 
Rose of Jericho, see Anastdtica. 
Rose of the worcd, see CamillUjapOhicA ROsi-mtlndJ. 
Ro.^e root, see SldOm RhodiOld. 
Rose snowbali.-tree, see Vibilrntlm Opftlfts rOsUdm. 
Rosmarinus, Linn. From ros, dew, marinus, of the 
sea; on account of its maritime habitat. Linn 2, 
Or. 1, Nat. Or. Labiates. A genus of pretty shrubs, 
requiring to be grown in a rather sheltered dry 
situation ; and cuttings of the ripened wood root 
readily, if planted in spring. R. officinalis is the 
herb employed in the manufacture of Hungary 
water; tea made from it is also considered very 
benefleial to persons troubled with nervous headach, 
and it is one of the most poiverful preparations for 
stimulating and strengthening the nervous system, 
officinalis . . . Purple . 2, H. Ev. S. S. Eur. . . 1548 
fol. argentels . Purple . 3, H. Ev. 8. S. Eur. . . 1548 
fol. aureU . . Purple . 2, H. Ev. S. E. Eur. . . 1548 
latifulius . . Purple . 2, H. Ev. S- S. Eur. . . 1548 
Rosmarinus, see Sphacili. 
Rostraria, Trinius. From rostrum, a beak. Linn. 
3, Or. 2, Nat. Or. Gramineoe. A grass of no interest. 
Synonyme : 1. Bromus dactyloides, or Dactylis pungens 
—R. publsclns. 
Rotate, when the limb of a monopetalous corolla is 
flat, and the tube very short, it is called rotate, or 
wheel-shaped. 
ROthIa, Persoon. In honour of A. W. Roth, of 
Bremen, a German botanist. Linn. 16, Or. 6, Nat. 
Or. Leguminosce. The seeds of this curious little 
plant should be sown on a warm border, where the 
plants are intended to flower. Synonymes : 1. Gly- 
cine humifusa, Cleome prostrata. 
trifOllata, 1 . . Sulphur . 7. H. Tr. A. 
RoTTBOF.Li.tA., Linn. In honour of C. F. Rottboell, a 
Danish botanist. Linn. 3, Or. 2, Nat. Or. Graminece. 
Stove grasses, growing in any common soil, cmd 
increasing by seeds. 
exaluta . . . A petal . . Grass. E. Ind. . . 1806 
perforata . . . Apetal . . Grass. E. Ind. . . 1822 
R0TTI.ERA, Roxburgh. In honour of Dr. Rottler, a 
Danish missionary. Linn. 22, Or. 11, Nat. Or. 
Euphorbiaceoe. Uninteresting stove plants, which 
grow freely in loam and peat ; and may be increased 
by cuttings, under a glass. Synonyme: 1. Croton 
paniculata — R. brasiliSnsis, paniculatd 1, tinctOrid. 
Rough chervil, see Anthrisciis. 
Roundish deltoid, between orbicular and deltoid. 
RoxbC'rghia, Dryander. In honour of the late 
William Roxburgh, M.D., director of the botanic 
garden, Calcutta. Linn. 8, Or. 1, Nat. Or. Rox- 
burghiacece. Interesting plants, thriving in light 
turfy loam, and readily increasing by suckers, 
glorio-soldes . . Pk. yel. . 7, S. Ev. Cl. E. Ind. . . 1803 
virldiflOra . . . Green. . 8, S. Ev. CL E. Ind. . . 1836 
Royal bay, see Lanrfis nObilis. 
Royena, Linn. In honour of Adrian von Royen, 
professor of botany at Leyden. Linn. 10, Or. 2, 
Nat- Or. Ebenacece. These plants require to be 
grown in a mixture of loam, peat, and sand; and 
ripened cuttings strike freely in sand, under a glass. 
Synonyme: 1. R. cuneata. 
amblguS . . .White. . 6, G. Ev. S. C. G. H. .1815 
angustifOira . .White. . 6. G. Ev. S. C. G. H. .1789 
glabra . . . .White. . 9, G. Ev. S. C. G. H. .1731 
hirsuta .... Purple . 7, G. Ev. S. C. G. H. . 1752 
latifolia . . . White . . 6, G. Ev. S. C. G. H. . 1816 
luclda .... White . . 5, G. Ev. S. C. G. H. . 1690 
mvrtifOlU ... . 6, G. Ev. S. C. G. H. . 1800 
pillens .... . 6, G. Ev. S. C. G. H. . 1789 
polvfindra ... . 7, G. Ev. S. C. G. H. . 1774 
pubescens, 1 . . Wht. gm. 7, G. Ev. S. C- G. H. . 1752 
villosa .... . 6, G. Ev. S. C. G. H. .1774 
RSylea, Wallich. In honour of John Forbes Royle, 
M.D., late superintendant of the botanic garden at 
Saharumpur ; now Professor of Materia Medica in 
King’s College, London. Linn. 14, Or. 1, Nat. Or. 
Labiates. An interesting little shrub, growing in 
any light rich soil. Cuttings root readily in the 
same kind of soil, with a glass over them. Syno~ 
nyme: \. Ballota cinerea. 
alSgans, 1 . . . Purple . 7, G. Ev. S. Nepal . . 1824 
RirBEFACiENT, any thing which reddens the skin, and 
raises slight cutaneous inflammation- 
RObIa, Tourntfort. From ruber, red ; in allusion to 
the colour of the roots. Linn. 4, Or. 1, Nat. Or. 
Galiacece. Interesting plants. Any common gar- 
den soil suits them, and they are easily increased 
by seeds, or divisions of the roots. The root of 
R. tinctorum is one of the most valuable dyes with 
which we are acquainted ; it is known under the 
name of madder, and is a very important article of 
commerce. Synonyme: R. galioides. 
anguBtifOUa . . Pa. yel. . 7. F. Ev. S. Spain . .1772 
Bocconi . . . Grn. wht. 7, H. Her. P. Italy . .1823 
cordifOlH . . . White . 7, H. Her. P. Siberia . .1783 
splendens . . . Yellow . 7, F. Ev. S. Spain . . 1812 
tinctorum . . . Yellow . 7, H. Her. P. S. Eur. . . 1596 
R. fruticOsd, F. galioldis 1, Iftcldd, peregrtnd. 
Rubus. Linn. From the Celtic rub, signifying red ; 
In reference to the colour of the fruit of some of 
the species. Linn. 12, Or. 3, Nat. Or. Rosacta. 
An extensive and interesting genus of plants. The 
shrubby kinds of Bramble grow best in a rich loam ; 
and are readily increased by suckers from the root, 
or by cuttings. The herbaceous species thrive 
best jn peat soil, and are likewise propagated by 
suckers. The well known and much esteemed 
Raspberry is the fruit of Rubus Idaus nnd its garden 
varieties. The fruit of R. Chamesmorus is acid, and 
pleasant to the taste. It is known by the name 
of Cloudberry, from the plants being found in high 
situations. The Scottish Highlanders and Lap- 
landers esteem it one of their most grateful and 
useful fruits, more especially on account of its long 
duration. Synonymes: 1. R. pistillatus. 2. R. 
pedunculosus. 3 R. vulgaris. 4. R. Jlavus. 5. R. 
inermis. 6. R. discolor, abruptus. 7. R. /• plenus. 
8. R. f. albus. 9. R. pCniculatus. 10. R. pauci- 
Jlorus. 11. R. echinatus. 12. R. villostts vulpinus. 
13. R. cegopodioides. 
acaulls, 1 . . . Rose . . 6, H. Her. P,. N. Amer. . 1802 
White . 7, H. De. Tr. Britain . . 
bracteOsils . . White . ^ H. De. Tr. Britain . . 
agrSstls .... White . 6, H. De. Tr. Hungary . 1820 
apetalue . . . Purple . 7, S. Ev. S. I. France . 1823 
arcticus .... Pink . . 6, H. Her. P. Britain . . 
argutui .... White . 6, H. De. Tr. N. Amer. . 1823 
asper .... White . 5. H. De. S. Nepal . .1821 
biflbrus, 2 . . . . 5, H. De. S. Nepal . . 1818 
csslus .... White . 6, H. De. Tr. Britain . . 
arvgnsis . . . White . 6, H. De. Tr. Britain . . 
fol. variegatls . White . 6, H. De. Tr. Britain . 
granrtiflorua . White . 6, H. De. Tr. Britain . . 
parvifollus . . Write . 6, H. De. Tr. Britain . . 
canadensis . . . White . 6, H. De. Tr. N. Amer. . 1811 
canescens . . . White . 7. H..De. Tr. Alp. Eur. . 1820 
carpinifOUits . . White . 7i H. Ev. Tr. Britain . . 
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