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PLACJÉNTA, that part of the capsule to which
the seeds are attached.
PLÁDERA, Roxhitrgh. From pladaros, aboiiiidiiig
in juice. Linn. 4, Or. 1, JSTat. Or. Gentianàcece.
The seed of these plants should be
sown on a hot-bed, and treated similarly to
balsams.
decussata . White . 8, G. B. 1 W. Indies . 181G
virgliU . . Red . .7, G. B. 1 E. Indies . 1820
PLAGIÁNTHUS, Forster. From plagios, oblique,
and anthos, a flower ; direction of the llowers.
Linn, 16, Or. 7, Nat. Or. Eiopliorhicicem.
Tliese plants grow well in any rich light soil,
and cuttings of the young wood root freely in
sand, under a glass, in heat. See Sida and
AsUrotrichion.
divaricàtus 1 Red . . 6, G. E v. S. 8 N. Zealand. 1822
Lamp^nü . Yellsh. . 12, F. Ev. S. 6 V. D. L. . 1833
sidoides 2 . YeUsli. . 9, G. Ev. S. 4 V. D. L. .
PLAGIÓBOTRYS, Fischer and Meyer. From plagios,
transverse, and bothrys, a pit ; the pits
at the base of the carpels are transverse, and
not longitudinal. Liim. 5, Or. 1, Eat. Or.
Boraginàcece. A hardy annual, not worth cultivating
except in botanic gardens
PLAGIOLÒBIUM, Sweet. transverse,
and lohos, a pod ; alluding to the shape of the
pod. Linn, 17, Or. 4, Nat. Or. Fabàcece. A
genus of very beautiful greenhouse jilants.
For culture and propagation, see Ilòvea. Synomjims:
1, Hòvea chorozemcefòlia ; 2, H. ilicifòlia.
chorozonii^ifòUum 1 Pur. 3, G. Ev. S. 2 N. Hol. . 1824
ilicifòUum 2 . . . Pur. 3, G. Ev. S. 2 K. G.'s S. 1824
PLÀGIUS. See Balsamita,
PLAÑERA, Michaux, In honour of J . Planer, a
German botanist. Linn, 4, Or. 3, Nat. Or.
UhnàcecB. A genus very nearly related to
Ülmus, growing freely in a loamy soil, in mioist
situations ; they may be multiplied by layers
or grafts. Synonymes : 1, Pldnera aquàtica;
2, Ühmis parvifolia ; 3, U. nemoràlis.
auumináta . Green . . 4, H. De. T. 10 Japan .
carpinifòlia . Green. . 4. H. De. T. 10 Siberia .
Gmelini 1 . Brown . 4, H. De. T. 10 N. Ame. 1816
parvifòlia 2 . Green . . 4, H. De. T. 10 Caucas.. 1822
&cbìlrdi 3 . Brown . 4, H. De. T. 10 N. Ame. 1760
PLANE-TREE. See Plátanus.
PLANK PLANT. See Bossiàa scolopéndria,
PLANTAGINACE^, or EIB-WORTS. A small order
of -well-known herbaceous plants, scattered
over the whole world. They are usually called
plantains.
PLANTÀGO, Linn. Derived from planta, the
sole of the foot ; resemblance in the leaves.
Linn. 4, Or. 1, ííat. Or. Plantaginàceoi. A
genus, the gi-eater number of the species of
which are mere weeds, of the easiest culture
and propagation. Synonymes : 1, P. splicerocéphala;
2, P. crispa; 3, P. rigida; 4, P.
Cornuti; 5, P. Cornuti; 6, P. alpina.
Ispaghtüa . . "White . 6, H. A. i E. Indies 1824
Kentuckénsls. White . 6, H. Her. P. ¿ N. Amer. 1820
afra, albicans, aliena, altissima, amplexicaùlis,
arenària, asiática, Bellàrdi 1, brasiliénsis,
hrìitia, capénsis, ceratophylla, cordata,^coronopm^
créssa 2, crassifòUa^ crctica^ Cynops^ deprèssa,
divaricata 3, elongàta, eriostdcliya, exaitata,
gargàìiica, gentianoìdes, Gouàni 4, gramínea,
hirsuta, holosericea, Holòstenììi, hurnifùsa,
hiingdrica, indica, interrúpta, Jacquinii
5, Kamtchatica, Lagòpus, lanceolata, l. variegata,
léOcji%ngi% licsitdnica, macrorhìza, major,
m. 7'osea, m. scopària, marítima, m. variegdia,
m. vivipara, máxima, mèdia, mexicana, microcéphala,
minima, montana, notata, parviflòra,
patagónica, pilosa, Psyllium, púmila,
recnrvàta, sàlsa, saxátilis, scorzonerifolia, sericea,
serpentina, Serrària, sibirica, sinuata^
sphmrocéphala 6, squarrosa, strida, subulàta,
tenuiflora, teretifolia, tùmida^ vaginàta^ vària,
villósa, virglnica, Wulfèni.
PLANTÀGO. See Alisma Plantàgo.
PLANTAIN. See Álisma Plantàgo,
PLANTAIN. See Plantàgo.
PLANTAIN-TREE. See Musa.
PLÁNTIA, Herbert, After Mr. Plant, a zealous
and industrious experimental cultivator and
nurseryman at Cheadle, who has raised some
curious hybrids amongst this race of plants.
Linn. 3, Or. 1, ÌTat. Or. Iridàcem, This pretty
and ñorid little plant was first introduced into
this country as a Morma, by Synott, and has
since been raised at Spoffortli, from Cape seeds,
under the name of SisyrincMum, to which
genus refer for culture.
fiàva . . . YeUow . 6, F. Bl. P. 1 C. G. H. . 1842
PLANT OF GLUTTONY. See Cornus siiécica.
PLATANÀCE^, or PLANE-TREES. A small
order of deciduous trees and shrubs. They
form beautiful objects as landscape trees, and
their close-grained timber is highly esteemed
for indoor and cabinet work.
PLATANTHÈRA, Richard, From platys, broad,
and anthera, an anther. Linn. 20, Or. 1,
Nat. Or. Orchidàcem. Pretty plants. For
culture and propagation, see Òrchis, Synonymes:
1, Òrchisbifòlia; 2, Ilabenària ciliàris;
3, //. cristàta; 4, H. dilatata; 5, E. fimbria
àta; 6, H. flava; 7, H. herbìola ; 8, Ü. blephariglòttis
; 9, H. orbiculàta; 10, H. hyperbòrea;
11, R. incìsa; 12, H. psychodes^ H
làcera; 13, H. gigdntea.
bifòha 1 . . White . 6, H. Ter. 1 Britain, woods,
ciliàris 2 . . Yellow . 6, H. Ter. 1 N. America. 1796
cristàta 3 . . YeUow . 9, H. Ter. 1 N. America, 1806
dilatata 4 . White . 9, H. Ter. 1 Canada . . 1823
fimbriata 5 . Purple . 6, H. Ter. 1 Canada . . 1789
flàva 6 . . Yellow . 7, G. Ter. 1 N. Holland. 1823
herbìola 7 . Green . 6, H. Ter. 1 N. America. 1789
holopétala 8. White . 6, H. Ter. 1 Canada . . 1820
Hookèri 9 . Green . 6, H. Ter, 1 N America. 1822
hyperbòrea 10 Green . 6, H. Ter. 1 N. America. 1805
incìsa 11 . . Pa. yel. . 6, F. Ter. 1 N. America. 1826
psychòdes 12 YeUow . 6, H. Ter. 1 N. America. 1826
Susánnee 13 . Grn. wht. G, S. Ter. 1 E. Indies . 1834
PLÁTANUS, Linn. From platys, ample ; in allusion
to the spreading branches and shady
foliage. Linn. 21, Or. 9, Nat. Or. Platanàcem,
Koble trees, of peculiar grace and elegance,
well fitted for large plantations, or to stand
singly on a lawn. They are easily increased
by layers, or cuttings planted out in autumn,
in a sheltered situation. Synonymes: 1, P,
accrifòlia; 2, P. cunedta.
occidentàlis . Apetal . 4, H. Be. T. 60 N. Amer. 1G36
• 4, H. De. T. 50 Levant . 1548
, 4, H. De. T. 60 Levant . 1724
. 4, H. De. T. 20 Levant . 1739
. 4, H. De, T. OU Levant , 1739
orientàlis . Apetal
acerifòlia 1. Apetal
cuneìita^ . Apetal
hispánica . Apetal
PLATrcÀRPiiA. See Cenara glomeràta,
PLATYCÀRPUM, Ilimxboldt. From platys, broad,
and harpos, fruit ; in refei'ence to the compressed
seed-pod. Linn. 5, Or. 1, Nat. Or.
Bignoniàceoe. This tree thrives in peat and
loam ; and half-ripened cuttings planted in
sand, and placed under a haild-glass, root
readily. If the plants are kept rather dry in
winter, it will tend to throw them into flower,
orinocénse . Pa, rose 5, S. Ev. T. 20 Orinoco . 1813
PLATYCÌ:RIUM, Desvaitx. From platys, broad,
and A-eras, a horn. Linn. 24, Or. 1, Nat. Or.
Polypodiàceoe. Stove ferns. Synonymes : 1,
Acróstichum alcicòrne ; 2, Polypodium grânde,
Acrôstichum bifÒT7ne^ A. gránde, A, fusiforme;
3, A. stemmària.
alcicòrne 1 . Brown . 8, G. Her. P. I N". S. W. . 1808
bifórme 2 . Brown . 4, S. Her. P. é Java . .
gránde . . Brown . 7, S. Her. P. l í MorctonB. 1828
stemmìlria 3 Brown . 5, S. Her. P. Guinea. . 1822
PLATYCHÌLUM, Belaunay. l^iom platys, broad,
and cheilos, a lip ; breadth of coroUa. Linn.
16, Or. 6, Nat. Or. Fabàceoe. A beautiful
plant, requiring the same treatment as the
Hoveccs. Synonyme : 1, Goinpholàbium Celsiànuin.
Celsiàniun 1 . Yellow . 6, G. Ev. S. 3 N. Hol. . 1820
PLATYCÒDON, De Candolle. From platys, broad,
and hodon, a bell ; the flowers are broad and
bell-shaped. Linn. 5, Or. 1, Nat. Or. Campanulàcece.
A neat, elegant genus when in
flower; it grows best in sandy loam, and may
be increased by seeds or young cuttings. Synonymes:
1, Campanula grandiflòra; 2, P.
homalanthum.
grandiflòrum 1 Blue
álbum sémi- ) ..
plénum .;Wbite
chinénse 2 . . Blue
6, H. Her. P. 1 Daliuria. 1782
7, G. Her. P. 1 China . 1845
7, H. Her. P. 1 China . 1845
PLATYLÒBIUM, Smith. From platys, broad, and
lobos, a pod ; in reference to the broad legumes.
Linn. 16, Or. 6, Nat. Or. Fabàceoe.
Free-flowering shrubs, of rather difficult culture
; they require a mixture of three-parts
sandy peat and one part loam ; the pots must
be carefully drained, to allow the water to pass
ofl* freely, and care must be taken not to overw^
ater them. They may be propagated by cuttings
in sand, under a glass ; or by seeds, Avhich
are sometimes produced in abundance,
formòsum . . Orange . 7, G. Ev. S. 4 N. Hol. 1790
Murrayànum. Yel. red . 5, G. Ev. S. lè V. D. L. 1832
obtutìàngulum Yel. red . 6, G. Ev. S. V. D. L. 1832
7, G. Ev. S. 4 N. Hol. 1792
7, G. Ev. S. 4 N. Hol. 1792
7, G. Ev. S. 4 V. D. L. 1805
From platys, broad, and
Nat. Or.
__ ^ __ ^ requiring
precisely the same treatment as Polypodium.
Synonyme: 1, Adiánticm paradoxic am. ^ Allòsorus
paradoxa.
andromed^- | Brown . 5, S. Her. P. 1 . 1810
folia . . )
atropui*xoiu'ea. Brown . 5, S. Her. P. 1
Bròwnil 1 .
calomélanos
cordata. .
falcílta . .
flexuòsa .
rotundifòlia
ternifòlia f.
Brown
Hrowu
Brown
Brown
Brown
Brown
Brown
5, G. Her. P.
5, G. Her. P.
6, S. Her. P.
5, G. Her. P.
5, G. Her. P.
7, G. Her. P.
7, S. Her. P.
1 Australia
1 C. G. H. 1842
1 Mexico . 1842
1 N. Holl. . 1823
1 Peru . . 1838
1 N. Zeal. . 1841
1 Mexico . 1840
ovatum . . Orange
parviflörum . Orange
trianguläre . Orange
PLATYLÖMA, J . Smith,
loma, a fringe. Linn. 24, Or. 1,
Polypodiacece. A genus of ferns.
PLATYL6PHUS, D. Don. From broad,
and lophos, a crcst; the capsule, from being
much com[)ressed at the apex, appears as if
winged. Linn. 10, Or. 2, Nat. Or. Cunoniaceoe.
The AYhite Ash of the English colonists
is an elegant tree. It succeeds well in a mixture
of loam and peat ; and cuttings of the
ripened wood root freely in sand, nnder a glass.
Synonyme: 1, Weinvidnnia trifoliata,
trifoUatus 1 . White 5, G. Ev. T . 45 C. G. H. . 1820
PLATYP^TALUM, Hooker. Yvom platys, broad,
and petalum, a petal. Linn, 15, Or. 2, Nat.
Or. Brassicdcece. An Alpine plant, requiring
to be grown in a pot filled with a mixture of
peat and sand, and treated like other plants of
similar habits.
purpur^scens Purple. 5, H. Her. P. I MelviUe I. 1827
PLAT^PTERIS, Humboldt and Bonpland. From
2jlatys, broad, and pteron, a wing ; appendage
to the seed. Linn. 19, Or. 1, Nat. Or. Asteracece.
A small plant of little beauty, growing
in any peaty soil, and increased by cuttings, in
the same kind of soil, nnder a glass. Synonyme:
1, Spildnthes crocdtus,
crocata 1 . Orange . 3, S. Her. P. 2 S. Amer. . 1812
PLATYSF^RMUM, Hooker. From platys, broad,
and sperma, a seed. Linn. 6, Or. 2, Nat. Or.
Brassicaceoi. Mere annual weeds, growing in
any garden soil. Synonymes: 1, Caucalis littoral
is; 2, C. orientdlis ; 3, Daucus muricdtus
—littoralis 1, orientals 2, o. pulcherrimum,
muricatum 3.
PLATYSTicMON, Bentham. From platys, broad,
and stemon, a stamen. Linn. 13, Or. 1, Nat.
Or. Ranunculdcece. A genus of rather pretty
annuals, growing freely in sandy loam,
culifornicus . YeUow . 8, H. A. 1 Californ. . 1833
leiocarpus . . YeUow . 7, H. A. 1 Siberia . 1837
PLATYSTIGMA, Bentham. From platys, broad,
and stigma; the stigma is ovate. Linn. 13,
Or. 1, Nat. Or. Rananculacece. This plant
somewhat resembles Platysthnon calif ornicus,
and requires the same treatment as that plant,
lineare . YeUow . 5, F. Her. P. ^ CaUfornia . 1833
PLATfSTYLiS, Sweet. From platys, broad, and
stylos, a style ; in allusion to the dilated style.
Linn. 17, Or. 4, Nat. Or. Fabdcem. A very
handsome genus of flower-border plants. For
culture and propagation, see Orobus. Synonymes:
1, Orobus cydneus; 2, 0, sessilifolius;
3, 0, stipulaceus.
cy^nea 1 . . Pui-ple . 5, H. Her. P. 1 Caucasus 1823
sessiUfdlius 2 Purple . 5, H. Her. P. 1 Tauria . 1823
stipulacea 3 . Purple . 5, H. Her. P. 1 Siberia .
PLAZIA. See Stifftia.
PLECTANTHi)RA. See Luxemburgia.
PLECTOciPHALUS. See Ceniaurea.
PLECTOC6MIA, MaH. Fi-om pleMos, twmed,
and home, hair ; the leaves are at the top of