PLA PLA 
PLA PLE 
afrd, albicans, alplna, altissimd, amplexicaiills, are- 
narla, asiatlcd, Bellardl i , brasiliSnsis, brutia, capen- 
sis, ceratophylld, corddtd, coroirOpus, crdssd 2, crassi~ 
fdlld, creticd, CynOps, deprSssd, divaricatd 3, elon- 
gala, eriostdchyd, exaltdtd, gargdnicd, gentianoldes, 
Goudnl 4, gramined , hirsuid, holosericSd, Holosieum, 
humifusd, hungnrlcd, indicd, interruptd, Jacqulm 5, 
Karntchdtlcd, LagOpus, lanceoldtd, L. variegatd, 
Lo^llngll, lusitanicd, macrorhizd, mujOr, M. rOsid, 
M. scopdrtd, maritimd, M. variegatd, M. vivipdrd, 
mdxtmd, medld, mexicdnd, microcSphdld, minlmd, 
montdnd, notdtd, parvi/lOrd, patagdnicd, pilOsd, 
Psyllium, piimtld, recurvatd, sdlsd, saxattlls, scor- 
zonerifoltd, sericid, serpeniind, Serrarld, siblricd, 
sinudtd, sphasrocephdld 6, squarrOsd, strlctd, subuldtd, 
tenuiflOrd, teretifOlid, tumldd, vagindtd, vdrid, vil- 
Idsd, virglnicd, Wulfenl. 
Plantain, see AlTsmd PlantdgO. 
Plantain, see PlantagS. 
Plantain tree, see Mdsd. 
Platantheba, Richard. From platys, broad, and 
anthtra, an anther. Linn. 20, Or. 1, Nat. Or. 
Orchidaceoe. Pretty plants. For culture and pro- 
pagation, see Orchis. Synonymes : 1. Orchis bifolia. 
2. Habenaria ciliaris. 3. H. cristata. 4. H. dilatata. 
5. H. Jimbriata. 6. H. Jlava. 7. H. herbiola. 8. 
H. blephariglottis. 9. H. orbiculata. 10. H. hyper- 
borea. l\. H. incisa. 12. H. psychodes, H. lacera. 
13. H. giganlea. 
biftlia, 1 . . . . White . . 6, H. Ter. Britain . . 
ciliaris, 2. .. . Yellow . 6, H. Ter. N. Amer. . 1796 
cristatS, 3 . . . Yellow . 9, H. Ter. N. Amer. . 1806 
dilatatA, 4 . . . White . . 9, H. Ter. Canada . . 1823 
fimbriatA, 5 . . . Purple . 6, H. Ter. Canada . . 1789 
fliva, 6 ... . Yellow . 7, G. Ter. N. HolL . 1823 
herbiola, 7 .. . Green . . 6, H. Ter. N. Amer. . 1789 
holopCtala, 8 . . White . . 5, H. Ter. Canada . . 1820 
Hookeri, 9 . . . Green . . 6, H. Ter. N. Amer. . 1822 
hyperbOreA, 10 . . Green . . 6, H. Ter. N. Amer. . 1805 
incisi!, 11 ... Pa. yel. . 6, F. Ter. N. Amer. . 1826 
psychodes, 12 . . Yellow . 6, H. Ter. N. Amer. . 1826 
Susanna, 13 . . Grn, wht. S. Ter. £. Ind. . . 1834 
PlatXnus, Linn. From platys, ample; in allusion 
to the spreading branches and shady foliage. Linn. 
21, Or. 9, Nat. Or. Platanacece. Noble 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. Syno- 
nymes: 1. P. acerifolia. 2. P. cuneata. 
occiden tails . . Apetal . 4, H. De. T- N. Amer. . 1636 
orientals . . . Apetal . 4, H. De. T. Levant . . 1.548 
acerifolia, 1 . Apetal . 4, H. De. T. Levant . . 
cuneata, 2 . . Apetal . 4, H. De. T. Levant . . 
hispauicA . . Apetal . 4, H. De. T. Levant . . 
Platycarpium, Humboldt. From platys, broad, and 
knrpos, fruit ; in reference to the compressed seed- 
pod. Linn. 5, Or. 1, Nat. Or. Bignoniacece. This 
tree thrives in peat and loam ; and half-ripened 
cuttings planted in sand, and placed under a hand- 
glass, root readily. If the plants are kept rather 
dry in winter, it will tend to throw them into flower. 
orinocensA . . . Pa. rose . S. Ev. T. Orinoco . 1813 
Platychilum, Delaunay. From platys, broad, and 
cheilos, a lip ; breadth of corolla. Linn. 16, Or. 6, 
Nat. Or. Leguminosoe. A beatitiful plant, requiring 
the same treatment as the Hoveas. Synonyme; 1. 
Gompkolobium celsianum. 
Cekianum, 1 . . Yellow . G. Ev. S. N. Holl. . 1820 
Platycodon, Decandolle. From platys, broad, and 
kodon, a bell ; the flowers are broad and bell-shaped. 
Linn. 5, Or. 1, Nat. Or. Campanulacece. A neat, 
elegant plant when in flower; it grows best in 
sandy loam, and may be increased by seeds or young 
cuttings. Synonyme : 1. Campanula grandijlora. 
grandiflorum . . Blue . . 6, H. Her. P. Dahuria . 1782 
Platylobium, Smith. From platys, broad, and lobos, 
a pod ; in reference to the broad legumes. Linn. 
16, Or. 6, Nat. Or. Leguminosoe. 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 off freely, and care must be taken 
not to over-water them. They may be propagated 
by cuttings in sand, under a glass ; or by seeds, 
which are sometimes produced in abundance. 
[ 249 3 
formosum . . . Orange . 7> G. Ev. S. N. HolL . 1790 
Murrayanum . . Yel. red . 6, G. Ev. S. V. D. L. . 1832 
obtusangulum . . Yel. red . 5, G. Ev. S. V. D. L. . 1832 
ovatum .... Orange . 7, G. Ev. .S. N. H<jll. . 1 792 
parviflOrum . Orange . 7, G. Ev. S. N. Holl. . 1792 
triangulare . . Orange 7» G. Ev. S. V. D. L. . 1805 
Platyix)Phus, D. Don. From platys, broad, and 
lophos, a crest ; the capsule, from being much com- 
pressed at the apex, appears as if winged. Linn. 
10, Or. 2, Nat. Or. Cunoniacex. The White Ash 
of the English colonists is an elegant tree. It suc- 
ceeds well in a mixture of loam and peat; and 
cuttings of the ripened wood root freely in sand, 
under a glass. Synonyme: 1. Weinmannia tri- 
foliata. 
trifoliatus, 1 . . G. Ev. T. C. G. H. . 1820 
Platypteris, Humboldt and Bonpland. From platys, 
broad, and pteron, a wing; appendage to the seed. 
Linn. 19, Or. 1, Nat. Or. Compositoe. A small plant 
of little beauty, growing in any peaty soil, and 
increased by cuttings, in the same kind of soil, 
under a glass. Synonyme: \. Spilanthus crocatus. 
crocAtA, 1 . . . Orange . 3, S. Her. P. S. Amer. . 1812 
Platyspebmum, Hooker. From platys, broad, and 
sperma, a seed. Linn. 6, Or. 2, Nat. Or. Cruciferce. 
Mere annual weeds, growing in any garden soil. 
Synonynfies : 1 . Cnucalis littoralis. 2. C. orientalis. 
3. Daucus muricatus — P. littoralis 1, orientalis 2, O. 
pulcherrtmflm, muricdttim 3. 
Platystemon, Bentham. From platys, broad, and 
stemon, a stamen. Linn. 13, Or. 1, Nat. Or. Ranun- 
culacecs. A genus of rather pretty annuals, grow- 
ing freely in sandy loam. 
californicus . . Yellow . 8, H. A. California . 1833 
leiocarpus . . . Yellow . 7, H. A. Siberia . . 1837 
Platystigma, Bentham. From platys, broad, and 
stigma; the stigma is ovate. Linn. 13, Or. 1, Nat. 
Or. Ranunculaceae. This plant somewhat resembles 
Platystemon californicus, and requires the’ same 
treatment as that plant. 
linearA .... Yellow . F. Her. P. California . 1.833 
Platystvlis, Sweet. From platys, broad, and stylos, 
a style ; in allusion to the dilated style. Linn. 17, 
Or. 4, Nat. Or. Leguminosoe. A very handsome 
genus of flower-border plants. For culture and 
propagation see Orohus. Synonymes: 1. Orobtis 
cyaneuM. 2. 0. sessilifolius. 3. 0. stipulaceus. 
cyAnga, 1 . . . Purple . 5, H. Her. P. Caucasus . 1823 
sessilifolius, 2 . Purple . 5, H. Her. P. Tauria . . 1823 
stipulAcAa, 3 . . Purple . 5. H. Her. P. Siberia . . 
Plectbanthcs, L’Heritier. From plektron, a cock’s- 
spur, and anthos, a flower; referring to the shape 
of the flowers. Linn. 14, Or. 2, Nat. Or. Labiatue. 
Any light rich soil will suit the stove and ."■’•een- 
house shrubby and herbaceous kinds ; and cu CJbgs * 
root readily. The seeds of the annual and biennial 
species require to be sown on a hotbed, and treated 
the same as other tender annuals and biennials. 
Synonymes : 1. P. secundus. 2. Ocymum molle. 3. 
0. scutellarioides. 
incAnus . . . . Blue . . 7, G. Her. P. . 1822 
parviflorus . . . Blue . . 7, G. Ev. S. S. Amer. 1805 
punctatus . . . Blue . . 3, S. A. Africa . 1775 
ternatus . . . Purple . 8, S. Her. P. Madag. . 1821 
ternifollus . . . Blue . . 8, G. Her. P. Nepal . . 1820 
visccisus . . . Blue . . 8, S. Ev. S. E. Ind. . 1826 
dsper, australis, Coetsd, colordlds, comdsus, cordifOlifts 
1, galeutus, graveOlens, tnOllis 2, rotundifdlins, scu- 
tellarioides 3, secOndfis, strobiiiferus, thymiflOriis. 
Plectbitis, Lind ley. From plektron, a cock’s-spur; 
in reference to the flower being gibbous in front. 
Linn. 3, Or. 1, Nat. Or. Valerianaceoe. The seed of 
this plant only requires to be sown in the open 
border. Synonyme: 1. Valerianella congesta. 
congcsta, 1 . . . Rose . . 7» H. A. N. Amer. . 1826 
minor . . . Rose . . 7> H. A. N. Amer. . 1826 
Plectronia, Linn. From plektron, a cock’s-spur; 
tree with large spines. Linn. 4, Or. 1, Nat. Or. 
Cinchonaceoe. An ornamental tree ; for culture 
and propagation, see Chiococca. 
corymbosA . . . Wht. grn. G. Ev. T. C. G. H. . 1816 
Vhnv.A, Michaux. From p/s/aar, the seven stars; dis- 
position of the flowers. Linn. 9, Or. 2, Nat. Or. 
Melanthaceoe. A species succeeding well in peat 
2 K 
