JAL JAS 
JAT JOS 
Jalap, see Ipomced Jaldpd, 
Jamaica dogwood, see Psldla Erythrind. 
Jamaica ebony, see Bryd Eblnils. 
Jamaica milk wood, see BrOslmum spilrtum. 
Jamaica redwood, see GordOnid H<gmat6xyl6n. 
Jamaica rose, see Meridnd. 
Jambolana tree, see CalyptrdnthSs Jamboldnd. 
Jambosa, Rumphius. Altered from Schambu, the 
Malay name of one of the species. Linn. 12, Or. 1, 
Nat. Or. Myrtaceae. The plants of this genus are 
possessed of some beauty, growing readily in loam 
and peat ; but they do not produce their flowers 
till the plants attain a good size. Cuttings of the 
ripened wood root freely in sand, under a glass, in 
beat. Synonymes: 1. Eugenia amplexicauiis. 2. 
E. aquea. 3. E. myrtifolia, E. australis. 4. E. 
macrophylla. 5. E. malaccensis. 6. E. Jambos, 
amplexicauiis, 1 . White . . 6, S. Er, T. E. Ind. . . 1823 
aquea, 2 . . . Wl.ite . . S. Er. T. E. Ind. . . 1820 
auMr&iis, 3 . . White . . 6, G. Ev. T. N. HoU. . 1800 
macropliylla, 4 . Wliite . . S. Ev. T. E. Ind. . . 1820 
malaccensis . . Scarlet . 7, S. Ev. T. E. Ind. . . 1708 
purparea, 5 . . Purple . 6, S. Ev. T. E. Ind. . . 1768 
vulgaris, 6 . . . Grn. yel. . 4, S. Ev. T. E. Ind. . . 1768 
Janipha, Kiinth. Derived from Janipaba, the Brazi- 
lian name of the plant. Linn. 21, Or. 1, Nat. Or. 
Euphorbiacece. A genus of interesting plants ; for 
culture and propagation, see Jatropha. Synonymes : 
1. Jatropha Lajlingii. 2. J. Manihot. 
eesculifOlia . . Brown . S. Ev. S. N. Spain . 1826 
anguatifOlU . . Brown . S. Ev. S. Brazil . . 1829 
fdeilda .... Brown . S. Ev. S. Mexico . .1824 
Lseflingii, 1 . . Brown . 7, S. Ev. S. Cartiiag. . 1820 
Manihot, 2 . . Brown . 7, B. Ev. S. S. Amer. . 1739 
JasTSne, Linn. A name applied by Theophrastus to 
a wild pot-herb now unknown. Linn. 5, Or. 1, 
Nat. Or. Lobeliacex. The species of this genus are 
very elegant when in blossom, and well adapted 
for ornamenting rock-work. They all prefer to 
grow in a peat soil, and require the protection of a 
frame in severe weather, and may be increased by 
divisions of the roots, cuttings, or seeds, 
hamllis .... Blue . . 7. H. Her. P. S. Franco . 1824 
montana . . . Blue . . 6. H. A. Britain . . 
perennis . . . Blue . . 7, H. Her. P. Franco . .1787 
Jasmine, see JasmlnOm. 
JasmInum. Linnaeus derives the name from ia, a 
violet, and osme, smell ; some assert that it is from 
ysmyn, the Arabic name of the plant. Linn. 2, Or. 
1, Nat. Or. Jasminacex. The species of this very 
elegant genus are familiar to every one. The stove 
and greenhouse kinds thrive well in a mixture of 
sand, loam, and peat ; and cuttings of the ripened 
•wood root freely in soil ot sand, under a glass, in 
heat The hardy kinds thrive well in any common 
soil, and are easily increased by cuttings planted 
under a glass. They are remarkably well adapted 
for training over an arbour, or against a wall, or 
trellis-work. The genuine oil of Jasmine of the 
shops is the produce of J. grandiflorum and offici- 
nale; but a similar perfume is obtained from J. 
Sambac. Synonymes; 1. J. Wallichianum. 2. J. 
Jlexile. 
acuminatum . . "White . 6, S. Ev. Cl. N. HolL . 1820 
angu-stifdlium . . Wlrte . S. Ev. Tw. E. In<L . . 1816 
arboresc^ns . . White . S. Ev. S. E. Ind. . . 1824 
ai.ricuUtum . . White . 7, S. Ev. Tw. E. Ind. . . 1790 
azorlcum . . . White . 7. G. Ev. Tw. Madeira . 1724 
bracteatum . .White . 4, S. Ev. Cl. E. Ind. . . 1818 
campanulatum . White . 8. Ev. S. . 1812 
capense .... White . 5, G. Ev. S. C. G. H. . 1816 
dispcrmum . . "White . G. Ev. CL Nepal . . 1825 
elongatum . . . White . 5,8. Ev. Cl. E. led. . . 1820 
flaxfle .... White . 4,8. Ev. CL £. Ind. . . 1825 
fnitlcans . . . Yellow . 7, H. De. 8. 8. Eur. . . 1570 
glaticum . . . White . 8, G. Ev. Cl. C. G. H. . 1774 
gracua .... White . G. Ev. CL Norfolk Is. 1791 
grandiflorum . . White . 7, G. Ev. CL India . . 1029 
heterophyllum . White . 6, H. Ev. 8. Nepal . . 1820 
hirsutum . . . White . 6, 8. Ev. 8. E. Ind. . . 1759 
humlle .... Yellow . 7, H. De. 8. 8. Eur. . .1656 
lanceolariam . . White . G. Ev. CL Silhet . . 1826 
latifOlium . . . White . 6,8. Ev. Tw. E. Ind. . . 1819 
laurifOlIum . ."White . 6,8. Ev. Cl. E. Ind. . . 1819 
odoratistimum . White . 6. G. Ev. Cl. Madeira . 1656 
officinale . . . White . 7. H. Ev. CL E. Ind. . .1548 
ioL argentSis . White . 7, H. De. Cl. E. Ind. . . 
foL aureis . . White . 7, H. De. Cl. E. Ind. . . 
1 
floribas plenis . White . 7, H. De. CL E. Ind. . . 
paniculatum . . White . 1,8. Ev. CL China . .1818 
pubigerum, 1 . . Yellow . 6, H. Ev. Cl. Nepal . . 1827 
revofttam . . . Yellow . 6,8. Ev. Cl. E. Ind. . . 1812 
Sambac. . . . White all 8. Ev. Tw. E. Ind. . . 1665 
flore-pleno . . White all S. Ev. Tw. E. Ind. . . 1700 
trifoliatum . . White all 8. Ev. Tw. E. Ind. . . 1730 
scandens . . . White . 8,8. Ev. Tw. E. Ind. . .1820 
simplicifOlium . White . 6, S. Ev. Cl. 8. Seas . . 1800 
tortuosum, 2 . . White . 6, G. Ev. Cl. C. G. H. . 1818 
trinerve .... White . 8. Ev. Cl. E. Ind. . . 1804 
undulatum. . .White . 1,8. Ev. CL China . . 1819 
Jatropha, Linn. From iatros, physician, and trophe, 
food ; in allusion to the medicinal properties or the 
plants. Linn. 21, Or. 10, Nat. Or. Euphorbiacea. 
The species of this genus are only valuable in a 
medicinal point of view. They thrive well in 
sandy loam and peat, in small pots, with little 
water. Most of the species ripen seed freely if 
care be taken to fertilise the stigmas with the 
pollen. Cuttings root very readily stuck in the 
tan, in a strong heat. The seeds of J. Curcas are 
purgative and emetic; an oil is obtained from 
them, which is a valuable external application in 
itch. 
austr&lis ... S. Ev. 8. N. HolL 
coccinCi . . . Scarlet . 8. Ev. 8. Cuba . . 1824 
Curcas .... Green . . 8. Ev. 8. 8. Amer. . 1731 
fragrans ^. . . 8. Ev. 8. Cuba . . 182-2 
glanduldsa . . . 8. Ev. 8. Arabia . . 1824 
gossvpifOlH . . Green . . 6, 8. Ev. 8. W. Ind. . 1690 
herbacea . . . Green . . 7, 8. A. Vera Cru*. . 1759 
integerrima . . Scarlet . 6, 8. Ev. 8. Cuba . .1809 
mulilfida . . . Green . . 7, S. Ev. 8. 8. Amer. . 1696 
pandureefdlia . . Scarlet . 7, S. Ev. 8. Cuba . . JSOO 
peltata .... S. Ev. 8. 8. Amer. . 1825 
urens .... Green . . 6, 8. Ev. 8. Brazil . . 1690 
napaeifbtid. 
JrffersOnIa. Dedicated by Barton, to Mr. Jeffer- 
son, the celebrated president of the United States. 
Linn, 8, Or. 1, Nat.' Or. Ranunculacex. This is a 
pretty hardy plant, very curious, from the peculiar 
mode of dehiscence of its capsule. It grows well 
in any common garden soil, and may be increased 
by dividing the roots, or by seeds. Synonyme : 1. 
Podophyllum diphyllum. 
diphylla, 1 . . White . . 5, H. Her. P. N. Amer. . 1792 
Jersey thisti.b, see CentaflrSd Isndrdl. 
Jerusalem artichoke, see Helidnthns tuberOsds. 
Jerusalem sage, see PhlOmls fruticOsd. 
Jew's -EAR, see Exidtd auriciild. 
Job’? tears, see C6Jx, 
JoHN'iA. Named by Roxburgh, in lionour of the 
Rev. Dr. John, a missionary, once resident in 
Tranquebar. Linn. 3, Or. 1, Nat. Or. Celastracea. 
Very handsome shrubs, producing edible fruit. 
They do well in loam and peat ; and cuttings of the 
ripened wood will root in sand, under a glass, in a 
moist heat. 
coromnndellna . Yel. gm. . 8. Ev. Cl. E. Ind. . . 1820 
salacioides . . . Orange . 8. Er. 8. E. Ind. . . 1822 
Joints, the places at which the pieces of the stem 
are articulated with each other. 
JoLLiEElA. Named by Bojer, in compliment to his 
friend M. Jollitfe. Linn. 22, Or. 13, Nat. Or. Cucur- 
bitacex. This is a splendid plant, producing its 
curious and beautiful flowers in great profusion ; 
but it requires a large space to grow in, and to be 
frequently pruned in, before it flowers. It grows 
well in sandy loam and a little peat. It is much 
better to raise it from cuttings of the flowering 
shoots, as they will flower much earlier ; they will 
root without difficulty in soil or sand, under a 
glass, in heat. Synonyme: 1. Telfairia peltata, 
Feuillea peltata. 
africanA, 1 . . . Purple . 7, 8. Ev. Tw. Zanzibar . 1825 
JonesTa, Roxburgh. In honour of the distinguished 
scholar and botanist. Sir William Jones. Linn. 7, 
Or. 1, Nat. Or. Leguminosx. The species of this 
genus are highly f'retgrant, and well worthy of a 
place in every collection. They thrive well in a 
mixture of sandy loam and peat ; and large cut- 
tings root freely under a glass, in heat. Synonyme : 
1. J. pinnata. 
AsOcA. 1 . . . Orange . 8. Ev. T. E. Ind. . .1796 
seSndens . . . Orange . 8. Ev. CL E. Ind. . . 1820 
JossInTa, Commerson. The derivation not known 
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