208 
THE DICTIONARY OF GARDENING, 
Jasminum— continued. Jateorhiza—continued. 
J. officinale (officinal).* Common White Jessamine. fl. white, bique. This plant furnishes the well-known Calumba-root, a dru 
fragrant ; corolla four or five-cleft. June to September. l. oppo- 
site, pinnate ; leaflets ovate, acuminated, terminal one the longest. 
Branches angular. Northern India to Persia, 1548. See Fig. 343. 
_ Of this well-known and deservedly popular hardy climber, there 
are golden and silver-edged-leaved, and double-flowered varieties, 
which are, however, all inferior to ‘the type. (B. M. 31. 
G. 344. INFLORESCENCE OF JASMINUM OFFICINALE AFFINE 
(natural size). ` 
J. o. affine related) differs from bed ad in more = ‘4 
rescence, — owers. Probably of garden origin. 
344. (R. H. 1878,87.) 
J. paniculatum (paniculate A white, in aig ag panicles. 
— l. ternate, oval, obtusely acuminate, Bf. C 
tove evergreen climber. (B. R. 690; b. O 465.) 
(downy). Kas white, large, fragrant; petals 
— dorg aal sH terminal, sessile. cine. $ 
entose beneath and on the petola; 
‘see Sip irlatan mii bel. China and tania, 
Plant sarmentose, downy. Greenhouse Nese 
SYNS. J. — 1991), J. multiflorum (A B ey 
tals ; pgm oag elonga sub-corym- 
Hewes. PERA — — . alterna’ innate ; 
pom — = — nao, Sessile, 
— = oung, wrest Tintin, 
— A siliea to J. i hh Dut wi with 
st er Coase. 
(revolute-leaved).* fl. bright, yellow, very fragran 
‘with five obtuse petals; corymbs terminal, compoun May o 
October. l alternate, pinnate ; leafiets five to seven, ovate-lanceo- 
iste or- —— glabrous, on short petioles. India, 1812. 
— or hardy evergreen climbing shrub. Botanically, a 
of J. humile, but distinct for horticultural purposes. (B> M. 
* — Cambac or Arabian).* fi. white, fragrant, usually 
ee in Small trichotomous cymes. J. almost sessile, mem- 
branous, from cordate to oblong, acute or obtuse, waved. India, 
1665. A well- — and S ran stove twining 
_ shru! — —— lowers near! e year roun 
are two or three —— including a double-flowered 
form. eB. M. 1785.) 
— — eimple-leaved). fl. white, terminal; corolla 
; segments linear, acute, equal to the tube. 
Pauly. L oblong, — ‘Australia, &e., 1800. Stove 
climber, or sometimes a tree. (B. M. 980.) SYN. J. gracile 
(B. R. 606). 
. undulatum (wavy). fl "hile; es dense; calyx teeth 
subulate, — gy Tan simple, cordate-oblong, shining. 
h. 5ft. India and China, i gi iam climber. 
JATEORHIZA (from iatos, healing, and rhiza, a 
root; in allusion to the medicinal qualities of the plant). 
ORD. Menispermaceæ. A genus comprising two or three 
species, natives of tropical Africa or Madagascar. The 
only one worthy of mention here is J. Calwmba. For 
culture, see Cocculus (to which it is allied). 
—— (Calumba), ., corolla pale green. 1. alternate, the 
you thin, pat , bright green, generally three-lobed, 
gradually more numerous. Stems herbaceous. 
consisting of a number of fasciculated, fusiform, 
branched, fles. » curved, — — bers. Mozam- 
much esteemed as a bitter tonic, where a stimulant or astringen 
oo is not required ; it is often’ employed in cases of indigestion, 
ndent upon languor and want of tone the stomach, and 
ee) by nausea and flatulence. SYN. — (B. M. 
* under name of Cocculus palmatus.) 
J. palmata (palmate). A synonym of J. Calumba. 
JATROPHA (from iatros, physician, and trophe, food; 
in allusion to the medicinal qualities of the species). 
ORD. Euphorbiacee. A rather large genus (nearly 
seventy species) of tall stove herbs and shrubs, rarely 
trees (principally of economic value), widely distributed 
throughout warm regions, but most abundant in South 
America. Flowers in cymes. Leaves alternate, stipulate. 
Jatrophas thrive in a sandy-peat and fibry-loam com- 
post, Cuttings of firm young shoots, dried before inser- 
tion, will strike in sandy soil, if placed i ina brisk bottom | 
heat, 
J. integerrima ovat -leaved). jl. red; racemes sul 
May to August. /. ovate, acuminate, indistinetly lobed a Taso 
rather hairy. h. 3ft Cuba, 1809. (B. M. 1464.) 
J. multifida (many-cleft). 7. en: July. 
lobed, smooth; lobes pinnatifid, cuneate ; 
multifid. h. 3ft. South America, 1696. 
J. pandurevefolia (fiddle-leaved). fi. scarlet. May to August. 
l. oblong, sub-panduriform, acuminate, entire, — at base, 
with two teeth on each side. h. 4ft. Cuba, 1800. (B. 604.) 
J. —— outy-stalked).* fl. orange-red ; — on long 
eduncli yuna teeth of calyx and lobes of corolla blunt. 
ummer. 1. peltate-cordate, five-lobed, glabrous; lobes sub- 
ovate, blunt ; — glandularly fringed. — erect, branched, 
gouty at base. 1łft. New Grenada, 1 (B. M. 4376. ) 
J. urens (sti — ji. slender. a pee oc l. roundish- 
cordate, —* to five-lobed ; the divisions toothed, cut, or even 
pinnatifid, often discoloured. h. to 4ft. Tropical “America, 
880. (G. C. n.s., xiv. 753.) 
JEFFERSONIA (named after T. Jefferson, 1743-1826, 
at one time President of the United States of America). 
ORD. Berberidew. A genus comprising two species of hardy 
perennial herbs, the one from North America, the other 
from Mandschuria. Flowers white, solitary; scape naked. 
Leaves radical, and for the most part bilobed or bipartite. 
The species best known to cultivation is J. diphylla, a very 
desirable plant. It thrives in a sandy-peat soil, in thë- 
rockery or border, and in rather shady situations. Pro- 
pagated by divisions; or by seeds; which should be sown 
l. palmate, eleven- 
stipules setaceous, 
' so soon as ripe. - 
‘J. A (two-leaved). i white, solitary, about about lin. across; 
stamens yellow. Spring. i. ‘profoundly * into 
two loba 264 Zin. to 6in. Tennessee, 1792. (B. M. 1 
JENEINSIA. Now included under Seti: 
JENKINSONIA. Now included under Pelar- 
gonium (which see). 
JERDONIA (named after Surgeon- Major T. C. 
Jerdon, an eminent ornithologist). ORD: Gesneracee. 
A monotypic genus, the species being a small stove 
herbaceous perennial. It thrives best in a sandy-loam 
soil, and in a moist atmosphere. Propagated by seeds, 
sown in bottom heat. 
J. indica (Indian). fl., rosy-lilac, small; corolla funnel-shaped, 
five-lobed ; scape erect, terminal, bearing two or three flowers. 
Autumn. 1. ina dense tuft, cordate, obtuse, petiolate, dark green, 
blotched with pale green along the x the aod — principal veins. 
h. 3in. Neilgherri Mountains, 1 
oe Artichoke, 
JERUSALEM — ———— 
Jerusalem. 
JERUSALEM SAGE. See Phlomis fruticosa. 
i JERUSALEM THORN. See Parkinsonia acu- 
eata. 
JESSAMINE. Se Jasminum officinale. 
JOB’S TEARS. See Coix. 
JOINT. In horticultural parlance, that portion of the 
stem from which a leaf is given off is called a Joint. 
JOLIFFIA. A synonym of Telfairia (which see). 
