PEN PEN 
PEP PER 
a bundle ; the stamens are disposed in five bundles. 
Linn. 18, Or. 2, Nat. Or. Giittiferce. A handsome, 
lofty -growing tree, very difficult to transplant, on 
account of the long tap-root, which, if injured, 
will kill it; the tree produces its flowers when 
about twenty feet high. It requires a strong moist 
heat. A mixture of loam and peat suits it ; and 
ripened cuttings, with their leaves not shortened, 
will root in sand, under a glass, in a moist heat. 
butyracS^ ... . 11, S. Ev. T. S. Leone . 1822 
Pentagonal, having live angles. 
Pentagynous, having five styles. 
Pentandrous, having five stamens. 
Pentapetalous, havir^ five petals. 
Pentapetes, Linn. One of the Greek names for 
Cinquefoil. From pente, five ; alluding to the five- 
celled fruit. Linn. 16, Or. 7, Nat. Or. Stercnliaceos. 
Beautiful flowering plants, growing in any light 
rich soil ; cuttings soon root in mould or sand, 
under a glass, in heat. Synonyme: 1. Brotera 
vvata. 
ovatA, 1 ... Scarlet . 7, S. B. N. Spain . 1805 
phoenicAA . . . Scarlet . 7, S. Her. P. India . . 1690 
Pentaraphia, Lindley. From pente, five, and raphis, 
a spike. Linn. 14, Or. 2, Nat. Or. Gesneraceae. A 
handsome West Indian plant; for culture and pro- 
pagation, it may be referred to Gtsneria. Syno- 
nyme: 1. Gesnera ventricosa. 
longiflorA, 1 . . . 7> S* Ev. S. Jamaica . 1823 
PenthSrum, Linru From pente, five, and horos, a 
boundary ; the capsule is terminated by five beaks. 
Linn. 10, Or. 5, Nat. Or. Crassulaceae. A succulent 
plant of little beauty, growing in light sandy soil, 
and increased by division at the roots ; cuttings 
also root freely under a glass, 
sedoides . . . Grn. yel. . 7, H. Her. P. Virginia . 1768 
Pentstemon, L'Heritier. From pente, five, and stemon, 
a stamen ; there are four perfect, and one imperfect. 
Linn. 14, Or. 2, Nat. Or. Scrophulariacece. Charm- 
ing herbaceous plants, worthy of a place in every 
collection ; they all delight in a mixture of loam 
and peat, and are readily increased by divisions, 
or by seeds. Synonymes • 1. Chelone coerulea, hirsuta. 
2. C. atropurpurea. 3. C. cristata. 4. C. erianthera. 
5. P. Bradburii. 6. C. angustifolia. 7. C. elegans, 
P. elegans. 8. C. rosea, angustifolia. 
acuminatum . . Purple . 7, H. Her. P. N. Amer. . 1827 
Albidum . . . White . . 7, H. Her. P. Missouri . 1823 
angustifolium, 1 . Li. pur. . 8, H. Her. P. Louisiana . 1811 
argutum . . . Blue . . H. Her. P. Columbia . 1825 
atrupurpur^um, 2 Drk. pur. . 7, F. Her. P. Mexico . . 1827 
attenuatum . . Cream . . 7, H. Her. P. N. Amer. . 1827 
breviflOrum . . Wht. pink 9, ri. Her. P. California . 
campanuUtum . Li. pur. . 6, H. Her. P. Mexico . . 1794 
CobmA .... Pa. pur. . H. Her. P. Texas . .1835 
confertum . . . Pa. yel. . 7, H. Her. P. N. Amer. . 1827 
crassifolium . . Blue . . 6, H. Her. P. N. Amer. . 
deustum . . . Cream . . H. Her. P. N. Amer. . 1827 
difFusum . . . Purple . 9, H. Her. P. N. Amer. . 1826 
digitSlis . . . White. . 8, H. Her. P. Arkansas . 1824 
eriantherum, 3 . Purple . 8, H. Her. P. Louisiana . 1811 
glabrum, 4 . . Drk. pur. . 8, H. Her. P. Louisiana . 1811 
glaberrimum . . Blue . . H. Her. P. Columbia . 1835 
glandulOsum . . Pa. blue . 6, H. Her. P. N. Amer. . 1827 
glailcum . . . Pa. lilac . 7, H. Her. P. N. Amer. . 1827 
gracilis .... Blue . . ^ H. Her. P. N. Amer. . 1824 
grandiflorum, 5 . Purple . 7, H. Her. P. N. Amer. . 1811 
heterophyUum .Red . . 7, H. Her. P. California . 1834 
hirsuium . . . Pa. pur. . 8, H. Her. P. N. Amer. . 1758 
Kunthii, 6 . . . Purple . F. Her. P. Mexico . . 1825 
Isevigatum . . Lilac . . 8, H. Her. P. N. Amer. . 1776 
Mackayanum . . Pur. yel. . 8, H. Her. P. Ohio . . 1834 
Murrayanum . . Scarlet . 8, H. Her. P. S. Felipe . 1835 
ora um . . . . Blue . . 7, H. Her. P. N. Amer. . 1826 
procerum . . . Purple . 7, H. Her. P. N. Amer. . 1827 
pruinosum . . . Blue . . 6, H. Her. P. N. Amer. . 1827 
pubescens . . . Pa. pur. . 8, H. Her. P. N. Amer. . 1758 
ptilchellum, 7. . Lilac . . 7, F. Her. P. Mexico . . 1827 
Richardsonii . . Drk. pur. . 7. H. Her. P. Columbia . 1825 
r0s6um, 8 . . . Rose . . F. Her. P. Mexico . . 1825 
Scouleri . . . Purple . 5, H. Her. P. N. Amer. . 1827 
tpeciosum . . . Blue . . 8. H. Her. P. N. Amer. . 1827 
Btaticaefdlium . . Lilac . . 6, H. Her. P. California . 1833 
triphyllum . . . Pa. red . 7, H. Her. P. California . 1827 
venustum . . . Purple . 6, H. Her. P. N. Amer. . 1827 
Pentzia. Named by Thunberg, in honour of his 
pupil Charles John Pentz. Linn. 19, Or. 1, Nat. 
Or. Compositae. A bushy, hoary -branching shrub, 
with corymbs of little yellow flowers ; it grows in a 
mixture of loam and peat, and ripened cuttings 
root freely in sand, under a glass. Synonyme : 1. 
P. crenata, Tanacetumjlabelliforme. 
flabelliformis, 1 . Yellow . 6, G. Ev. S. C. G. H. . 1774 
Peperomia, Ruiz and Pavon. Analogous to Piper. 
Linn. 2, Or. 3, Nat. Or. Piperacece. This is the 
herbaceous tribe of Pepper. The species grow 
freely in an equal mixture of sandy loam and peat, 
and may be increased by cuttings, or divisions of 
the roots. 
acuminatA . . . Apetal . 6, S. Her. P. W. Ind. . 1812 
alata .... Apetal . 3, S. Her. P. S. Amer. . 1812 
amplexicaulis . . Apetnl . 7, S. Her. P. W. Ind. . 1793 
amplexifulia . * Apetal . 3, S. Her. P. S. Amer. . 1823 
blanda .... Apetal . 8, S. Her. P. Caraccas . 1802 
brachyphyllA . . Apetal . 7, S. Her. P. S. Amer. . 1818 
capensis . . . Green . . 5, S. Ev. Cr. C. G. H. . 1820 
clusiaefOlia . . . Green . . 5, S. Ev. Cr. S. Amer. . 1817 
coriacaa . . . Apetal . 5, S. Ev. S. E. Ind. . .1815 
cuneifolia . . . Apetal . 6, S. Her. P. Caraccas . 1809 
discolor. . . . Apetal . 7, S. Her. P. S. Amer. . 1821 
distachya . . . Apetal . 6, S. Her. P. S. Amer. . 1793 
hispiduia . . . Apetal . 8, G. B. Jamaica . 1818 
humilis .... Apetel . 6, S. Her. P. W. Ind. . 1768 
inaequalifOlia . . Apetal . 7, S. Her. P. Peru . . 1800 
ineSnA .... Apetel . 2. S. Her. P. Brazil . .1815 
macrostAchyA . . Green . . 5, S. Ev. Cr. Trinidad . 1824 
magnoliaefOlIA . . Apetel . 2, S. Her. P. W. Ind. . 1793 
maculosA . . . Apetel . 9, S. Her. P. St. Domin. 1790 
nummulariaefOllA Apetal . 6, S. Her. P. Jamaica . 1818 
obtusifOlIA . . . Apetel . 5, S. Her. P. W. Ind. . 1739 
ovalifOliA . . . Green . . 5, S. Ev. Cr. St. Vincent 1824 
pellucidA . . .Apetel . 6, S. A. S. Amer. . 1748 
pereskiaefOlIA . . Apetal . 5, S. Her. P. S. Amer. . 1820 
polystAchyA . . Apetal . 6, S. Her. P. Jamaica . 1775 
pubescens . . . Apetal . 8, S. Her. P. S. Amer. . 1809 
pulchellA . . . Apetel . 8, S. Her. P. Jamaica . 1778 
quadrifOlIA . . Apetel . 6, S. Her. P. S. Amer. . 1818 
reniformls . . . Green . . 5, S. Ev. Cr. St. Vincent 1824 
repens .... Apetal . 6, S. Ev. Cr. S. Amer. . 1823 
rotiindifOliA . . Apetel . 6, S. Her. P. S. Amer. . 1822 
rubellA .... Apetal . 3, S. Her. P. W. Ind. . 1820 
rubricaulls . . . Apetal . 5, F. Her. P. . 1822 
sOrpens .... Green . . 5, S. Ev. Cr. Jamaica . 1820 
stellatA .... Apetel . 6, S. Her. P. Jamaica . 1802 
subrotundA . . Apetel . 2, S. Her. P. .1812 
telinifOlIA . . . Green . . 5, S. Ev. Cr. W. Ind. . 1820 
teuellA .... Green . . 5, S. Ev. Cr. Jamaica . 1820 
tiicarinatA . . . Green . . 5, S. Ev. Cr. W. Ind. . 1818 
trlfOliA .... Apetel . 7. S Her. P. S. Amer. . 1802 
tristachyA . . . Green . . 5, S. Ev. Cr. W. Ind. . 1826 
Peplis, Linn. The Greek name of purslane. Linn, 
6, Or. 1, Nat. Or. Lythraceue. The species of Water 
Purslane grow in any very moist soil, in which also 
the seeds may be sown. 
alternifOliA . . Purple . 7, H. A. Siberia . . 1816 
occidentalis . . Green . . 7, S. Aq. A. Guadaloupe 1829 
Portula .... Purple . 8, H. Aq. A. Britain . . 
Pepper, see PtpSr. 
Peppermint, see Mentha piperitd. 
Peppermint-tree, see Eucalyptus piperita. 
Pepper-vine, see AmpelOpsis bipinndtd. 
Pepperwort, see Lepidium. 
Perdicium, Linn. From perdix, a partridge ; par- 
tridges were fond of the original plant. Linn. 19, 
Or. 2, Nat. Or. Compositae. An uninteresting hardy 
herbaceous plant, succeeding in any common soil. 
Synonyme . 1. Tnssilago Anandria — P. Anandrid 1. 
Peregrinous, wandering, diffuse. 
Perennial, lasting many years without perishing. 
PereskIa, Plumier. Named in honour of Nicholas 
F. Pieresk, of Aix, in Provence, a lover of botany. 
Linn. 12, Or 1, Nat. Or. Cactaceae. Grotesque and 
ornamental plants, very different from the rest of 
the genera in Cactaceae, from the branches being 
woody, as well as furnished with proper leaves. 
The species grow freely in any light soil ; and cut- 
tings root readily in mould, under a glass, in heat. 
Synonymes: 1. Cactus Pereskia. 2. C. port ulacaef alia. 
aculeatA, 1 . . . White . 10. S. De. S. W. Ind. . 1696 
grandifdllA ... S. De. S. Brazil . .1818 
longispina ... S. De. S. S. Amer. . 1808 
portulacaefOliA, 2 . White . S. De. S. W. Ind. . 1820 
Perforated, full of holes. 
Pergulakia, Linn. From pergula, trellis-work ; 
twining plants, fit for arbours, &c. Linn. 5, Or- 2, 
Nat. Or. Asclepiadaceae. A genus much prized for 
the fragrance of the flowers. All the species prefer 
a rich mould, and are readily multiplied by cut- 
tings. 
