RES RHA 
RHA RHI 
Rbsupinatk, lying on the back. 
RbtanIlla, Decandolle. Its Peruvian name. Linn. 
5, Or. 1, Nat. Or. Rhamnaceae. Small evergreens, 
thriving in loam Eind peat, and propagated by 
cuttings planted in sand, under a glaiss. Syno~ 
nymes : 1. Colletia Ephedra. 2. Colletia obcordata. 
Ephedra, 1 . . . Green . . F. Ev. S. Chile . . 1823 
ot^rdata, 2 . . Yellow . S. Ev. S. Peru . . 1822 
Rbticul5kia, BuUiard. From reticulum, a net ; ap- 
pearance. Linn. 24, Or. 9, Nat. Or. Fungi. These 
species are found upon rotten sticks, leaves, &c. — 
R. argentia, minQtd, olivacSd. 
Rkticui.at£d, netted, resembling a net. 
Rktractkd, bent backwards. 
Rbtrooradb, usually applied to hairs when they are 
bent back or down, instead of forward, or up. 
Retusb, appearing as if bitten off at the end. 
Retzia, iinn. In honour of Anders Johan Retzius, 
professor of natural history in the University of 
Lund; author of “Observations on Botany.” 
Linn. 5, Or. 1, Nat. Or. Retziacece. This plant 
thrives in any light soil; and cuttings will root 
readily in sand, under a glass, 
spicata .... Brown . 5, G. Ev. S. C. G. H. . 
Rkvolutk, rolled back : usually applied to the edges 
of leaves. 
Rhabdochloa, Beauvais. From rhaBdos, a twig, and 
chloa, grass. Linn. 3, Or. 2, Nat. Or. Graminea. 
Pretty annuals, growing in any light soil ; and in- 
creased by seeds. Synonymes : 1. Chloris cruciata, 
2. Chloris poaeformis, Cynosurus virgatus. 
cruciata, 1 . . . ApeUl . . 7, Grass. W. Ind. . .1818 
mucrOnaU . . . Apeial . . 7, Grass. N. Amer, . 1820 
Virgata, 2 . . . ApeUl . . 7. Grass. W. Ind. . .1820 
RHAOAnidL&s, Tournefort. From rhagas, a slit; in 
allusion to the divisions of the calyx. Linn. 19, 
Or. 1, Nat. Or. Compositce. Annuals of no interest ; 
increased by seed in any common soil. Synonymes : 
1. R. lapsanoides, Lapsana Rhagadiolus. 2. Kael- 
pinia linearis — R. edalts 1, Kcelplnid 2, stSlldtas. 
RhagOdIa, R. Brown. From rhax, a berry ; its prin- 
cipal distinction. Linn. 23, Or. 1, Nat, Or. Cheno- 
podiacea. Interesting plants, growing well in a 
mixture of loam and peat ; and increasing readily 
by cuttings, placed under a glass. 
Billardieri . . . Grn. yel. . 6, G. Ev. S, N. Holl. . 1823 
hastau .... Green . . 6, G. Ev. S. N. S. \V. . 1803 
Grn. yel. . 8, G. Ev. Tr. N. Holl. . 1820 
parabOlIea . . .Grn. yel. . 6, G. Ev. S. N. Holl. . 1823 
RhamnPs, Linn. From the Celtic ram, si^ifying a 
tuft of branches. Linn. 5, Or. 1, Nat. Or Rham- 
nacece. The plants belonging to this genus are 
mostly valued on account of their foliage. The 
stove and greenhouse kinds are easily grown in 
any light soil ; and increase readily by cuttings 
under a glass. The hardy kinds grow in any com- 
mon soil, and are usually propagated by layers and 
seeds. The plants and berries possess very strong 
purgative qualities. The juice of the berries of 
R. catharticus is sold under the name of syrup of 
buckthorn ; the French berries of the shops is the 
juice of the unripe fruit of the same species, and is 
used for dyeing Turkey or Morocco leather yellow. 
The wood of R. dahuricus is red, and is known to 
the Russians by the name of sandal-wood. Syno- 
nymes : 1. R. Clusil. 2. R. Willdenovianus. 3. R. 
rupestris. 4. R. pumilus. 5. R. pumilus. 
alaUrnas . . . Green . . 5, H. Ev. S. S. Eur. . . 1629 
angustifOliS, 1 . Green . . 5, H. Ev. S. S. Eur. . . 1629 
bale&rica . . Green . . 5, H. Ev. S. S. Eur. . . 
fol. argent^Is . Green . . 5, H. Ev. S. S. Eur. . . 
fo). aur^is . . Green . . 5, H. Ev. S. S. Eur. . . 
fol. maculatls . Green . . 5, H. Ev. S. S. Eur. . . 
hispAnicA . . Green . . 5, H. Ev. S. S. Eur. . . 
alnifolias . . . Green . . 5, H. De. S. N. Amer. . 1778 
alpinus .... Green . . 5, H. De. S. Switzerl. . 1752 
buxifdll&s ... . 5, H. Ev. S. Numidia . 1820 
cardiocArp&s . . H. Ev. S. . 1832 
caroliniAnue . . Green . . 5, H. De. S. N. Amer. . 1819 
catharticas . . . Grn. yel. . 5, H. De. S. England 
bydiiensTs . . Gm. yel. . 6, H. De. T. C. 6. H. 
celtifalias . . . Grn. yel. . 5, G. Ev. S. 0. G. H. 
crenulAtas . . . Grn. yel. . 4, G. Ev. S. TeneriflFe . 1778 
dahurlcas . . . Gm. yel. . 5, H. De. S. Davuria . 1817 
Erythroxyldn . . YeLgrn. . 7, H. De. S. Siberia . . 1823 
nngustlssimam H. De. S. Caucasus . 
FrAngaiA . . . White. . 5, H. De. S. Britain . . 
angiistifallA . White . . 6, H. De. T. Britain . . 
franguloides . . Green . . 5, H. De. T. N. Amer. . 1810 
glanduldsas . . Green . . 6, G. Ev. S. Canaries . 1785 
hybridas . , . Green . . H. De. S. 
igfectorias . , . Grn. yeL . 6, H. De. S. S. Eur. . . 1683 
integrifdlias . . Green . . G. Ev. S. Teneriffe . 1822 
lanceolAtas . . Green . . 5, H. De. S. N. Amer. . 1812 
latifdlias . . . Green . . 7, H. De. S. Azores . .1778 
lycioides . . . Grn. yel, 11, H. De. S. Spain . . 1752 
arragonensls . Grn. yel. 10, H. De. S. Arragon . 1752 
longifalia.s 2 . . Green . . H. De. S. . 1823 
micrnphylias . . S. Ev. S. Mexico . . 1823 
oleoides . . . . Grn. yeL . 6, H. De. S. Spain . . 1752 
PallAsu .... H. De. S. Russia . ,1838 
prinoidAs . . . Yellow . 6, G. Ev. S. C. G. H. . 1778 
pubescens ... Pa. yel. . 5, H. Ev. S, France . .1817 
pumilas, 3 . . . Grn. yeL . 7, H. De. S, Carnirda . 1752 
pasillas ... . 5, H. De. S. Naples . . 1823 
rupestris . . . Green . . 5, H. De. S. S. Eur. . . 1752 
saxAtilis . . . Gm. yel. . 5, H. De. T. Europe . . 1752 
spatulafdlias . . H. De. S. Russia . . 1838 
surinamensis . . Gm. yel. . S. Ev. S. Surinam . 1820 
tetragonas . . . Green . . G. Ev. S. C. G. H. . 1816 
TheezAns . . . Green . . 6, G. Ev. S. China . . 
tinctdrias . . . Grn. yeL . 6, H. De. S. Hungary . 1820 
Valentinas, 4 . . Green . . 5, H, De. T. S. Eur. . . 1816 
virgAtas . . . Green . . 6, H. De. S. Nepal . . 1820 
WulfenH. 5 . , Green . . 7, H. De. S. S. Eur. . . 1758 
RhapTs, Linn. From rhapis, a needle ; alluding to the 
acute awns of the corolla Linn. 23, Or. 1, Nat. Or. 
PalmacecB. Dwarfish palms, thriving well in sandy 
loam ; and increasing by suckers from the roots. 
arundinAcAA . . . Green . . 9, Palm. Carolina . . 1765 
flabelliformis . . Green . . 8, Palm. China . . 1774 
RhapOntTca, Decandolle. From rha, rhubarb, and 
Ponticus, of Pontus. Linn. 19, Or. 3, Nat. Or. 
Compositce. These plants will grow in any common 
soil, and may be readily increased by divisions. 
Synonymes: 1. Centaurea Rhapontica. 2. C. Rha- 
pontica. 
PallAsil, 1 . . . Purple . 7i H. Her. P. Switzerl. . 1818 
pulchrA .... H. B. Caucasus . 1837 
scariOsA, 2 . . . Purple . 7, H. Her. P. Switzerl. . 1640 
lyrAU . . .Purple . 7, H. Her. P. Switzerl. .1819 
uniddrA .... Purple . 7, H. Her. P. Siberia . . 1796 
RheedIa. In honour of Henry Rheede Van Draa- 
kenstein, author of Hortus Malabaricus, in ten vols. 
folio. Linn. 12, Or. 3, Nat. Or. Guttiferce. This 
very handsome, broad-leaved tree, will grow in a 
mixture of peat, loam, and sand ; and ripened 
cuttings win root in sand, under a glass, in a moist 
heat. 
javAnicA ... S. Ev. T. Java . . . 1826 
Rh£um, Linn. From rha, the Wolga : the first 
plants were brotight from its banks. Linn. 9, Or. 
2, Nat. Or. Polygonaceae. The culture and uses of 
the Rhubarb are well known. The plants all 
thrive well in a rich loamy soil ; and are increased 
by divisions of the roots, or by seed. Synonyms: 
1. R. Emodi. 
austrAlA, 1 . . . Purple . H. Fu. P. Nepal . . 1823 
austriAcum . . . White. . 5, H. Fu. P. Austria. . 1800 
cAspIcum . . . White. . 5, H. Fu. P. Russia . . 1817 
compActum . . Wht gra. 5, H. Fu. P. Tartary . 1758 
crlspum . . . White. . 6, H. Fu. P. . 1800 
fenestrAtum . . Wliite . . 5, H. Fu. P. . 1780 
hybridum . . . "WTit. gra, 6, H. Fu. P. Asia . . 1778 
leucorhizum . . Striped . 5, H. Her. P. Siberia . . 1827 
nutAns .... White . . 5, H. Fu. P. Siberia . . 1800 
palmAtum . . . 'Wht. gra, 6, H. Fu. P. Bucharia . 1763 
Rhaponttcum . . Wht. gra. 5, H. Fu. P. Asia . . 1573 
Wht. gra. 5, H. Fu. P. Levant . .1724 
aibiricum . . . White . . 6, H. Fu. P. Siberia . . 1800 
tatAricum . . . Wht. gra. 5, H Fu. P. Tartary . 1793 
undulAtum . . . 'Wlit. grn. 5, H. Fu. P. China . . 1734 
Rhexia, Linn. From rhexis, a rupture ; from its 
astringent qualities, it is supposed to cure rup- 
tures. Linn.BfOr. i,'Kdit. Ot. Melastomacece. This 
is a genus of very elegant plants when in flower. 
The plants grow best in a bed of peat soil, but are 
sometimes grown in pots in the same kind of soil. 
They are readily increased by division at the root. 
angustifdllA . . 'White. . 7, H. Her. P. N. Amer. . 1812 
ciliosA .... Purple . 7. H. Her. P. Carolina . 1812 
mariAnA . . . Purple . 7, H. Her. P. N. Amer. . 1759 
rubSllA . . . Pink . . 7, H. Her. P. N. Amer. . 1823 
virglnlcA . . . Purple . 7i H. Her. P. N. Amer. . 1759 
Rhinanthus, Linn. From rhin, a snout, and anthos, 
a flower ; alluding to the appearance of the corolla. 
Linn. 14, Or. 2, Nat. Or. Scrophulariacece. The 
seeds of the Yellow Rattle have only to be sown in a 
moist situation. Synonymes : 1. R. Alectorolophus, 
Bartsia Trixago, Trixago rhinanihina. 
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