PTE PTE 
PTE PUL 
to sixty feet, and growing best in a loamy soil. 
Cuttings of the young wood not deprived of any of 
their leaves, will root in sand, under a glass, in 
heat. The wood of P. aantalinus yielAs the officinal 
Red Sanders-wood; the wood of the tree isdark 
red with black veins, capable of a good polish, and 
so heavy as to sink in water, 
dalbergioides . . Yellow . S. Ev. T. E. Ind. . . 1817 
draco .... White . . S. Ev. T. W. Ind. . 1820 
indicus .... AVhite . . S. Ev. T. E. Ind. . . 1818 
marsupJum . .White. . S. Ev. T. E. Ind. . .1811 
Rohrn .... S. Ev. T. Guiana . . 1816 
santalinoides . . Yellow . S. Ev. T. S. Leone . 1793 
santallnus . . . Yellow . S. Ev. T. E. Ind. . .1800 
Rcandens , . . Yellow . S. Ev. CL Caraccas . 1817 
Pterocephalus, Vaillant. From pteron, a wing, and 
kephaie, a head ; in allusion to the receptacle of the 
flowers being villous. Linn. 4, Or. 1, Nat. Or. 
DipsacecB. P. dumetorum will grow well in sandy 
loam, and increase freely from cuttings, or seeds. 
The annual kinds merely require sowing in the 
open border where they are intended to flower 
Synonymes : 1 . Scabiosa dumetorum. 2. P. brachiata. 
3. C. papposus, P. Vaillantii. 4. P. diandrus. 5. 
C. plumosus. 
dumetorum, 1 . . White. . 6, G. Ev. S. Teneriffe . 1820 
palaestinhs, 2 . . White . . 7, H. A. Cyprus . . 1771 
papposOs, 3 . . White. . 7, H. A. S. Eur. . . 1597 
diandrus 4 . . Purple . & H. A. Spain . . 1823 
plum6>us, 5 . . Blue . . 6, H. A. Spain . . 1819 
Pterogonium, Swartz. From pteron, a wing, and 
gonos, a shoot ; referring to the pinnated stems. 
Linn. 24, Or. 5, Nat. Or. Musci. These plants are 
found on trees and sub-alpine rocks. Synonyme : 1 . 
P. caespitosum — P.filifOrme 1, grdcilS, Smlthil. 
PtkroneCron, Decandolle. From pteron, a wing, and 
neuron, a nerve ; because of the winged placentae. 
Linn. 15, Nat. O'". Crnciferce. Rock plants, requiring 
a light soil, and increased by seeds, which may be 
sown where the plants are intended to remain. 
Synonymes: \. Cardamine carnosa. 2. C. graecum. 
camosum, 1 . . Pale . . 6, H. Her. P. Hungary . 1824 
gTKCum, 2 . .White. . 6, H. A. S. Eur. . .1710 
Pteronia, Linn. From pteron, a wing; the feathery 
scales of the receptacle. Linn. 19, Or. 1, Nat. Or. 
Composites. A genus of interesting plants, growing 
well in loam and peat, and readily increased by 
cuttings. 
camphorata . . Yellow . 6, G. Ev. S. C. G. H. . 1774 
echinata . . . Yellow . 7, G. Ev. S. C. G. H. . 1818 
fasciculata . . . Yellow . 6. G. Ev. S. C. G. H. .1818 
flexicaulls . . . Yellow . 7. G. Ev. S. C. G. H. . 1812 
glomerata . . . Yellow . 6, G. Ev. S. C. G. H. . 1817 
oppositifOlia . . Yellow . 7, G. Ev. S. C. G. H. . 1774 
pallens .... Yellow . 6, G. Ev. S. C. G. H. . 1816 
scariosa. . . .Yellow . 7, G. Ev. S. C. G. H. .1815 
stricta .... Yellow . 5, G. Ev. S. C. G. H. . 1774 
Pterospermum, Schreber. From pteron, a wing, and 
sperma, a seed; the seeds are winged. Linn. 16, 
Or. 7, Nat. Or. Sferculiaceoe. Large-leaved trees. 
They thrive in a mixture of peat, loam, and sand ; 
and cuttings not deprived of their leaves will root 
in sand, under a glass, in a moderate heat, 
acerifollum . . White . . 8, S. Ev. T. E. Ind. . . 1790 
ranescens ... White . . S. Ev. T. E. Ind. . . 1823 
lancesfollum . .White. . S. Ev. T. E. Ind. . .1820 
platanifollum . . White. . S. Ev. T. E. Ind. . . 1820 
semisngittatum . White. . S. Ev. T. E. Ind. . . 1820 
suberifollum . . White . . 9, S. Ev. T. E. Ind. . . 1783 
Pterostegia, Fischer and Meyer. From pteron, a 
wing, and stegos, covering; involucrum winged. 
Linn. — , Or. — , Nat. Or. Polygalaceoe. This spe- 
cies may be grown in any common soil, 
diymarioides . . Green . . B. A. California . 1836 
Ptkrostvlis, R. Brown. From pteron, a wing, and 
stylos, a style ; in allusion to the column* being 
winged at the top. Linn. 20, Or. 1, Nat. Or. 
Orchidaceee. Interesting plants. For culture and 
propagation, see Prasophyllum. 
acuminata ... Pa. yel. . . 5, G. Ter. N. Holl. . 1826 
Banksn .... Yel. whL 12, G. Ter. N. ZeaL . 1827 
conclnna .... Pa. vel. . . G. Ter. N. Holl. . 1824 
cucullata ... Pa. yel. . . 6, G. Ter. V. D. L. . 1823 
curta Pa. yel. . . 5, G. Ter. N. HolL . 1822 
gibbosa . . . .Pa. yel. . . G. Ter. N. HolL . 1824 
g^randiflhra . . . Pa. yel. . . G. Ter. N. HoU. . 1824 
[ 261 1 
longifclia . . . Pa. yel. . . 7, G. Ter. N. Holl. . 1823 
nutans . . . .Pa.yel. . . G. Ter. N. Holl. .1823 
obtiisa . . . Pa. yel. . . 7, G. Ter. N. Holl. .1810 
ophioglossa . . .Pa. yel. . . G. Ter. N. Holl. . 1826 
reflexa .... Pa.yel. . . 7, G. Ter. N. HoU. . 1826 
Pterygodium, Sroarfx. The name is probably derived 
from pterygodes, wing-like; because of the appear- 
ance of the sepals. Linn. 20, Or. 1, Nat. Or. 
Orchidaceas. A genus of tuberous-rooted plants, 
requiring the same treatment as Corycium. 
alatum .... . 7, G. Ter. C. G. H. . 1821 
volucre .... . 7, G. Ter. C. G. H. . 1797 
PtilostephiDm, Kunth. From ptilon, a feather, and 
stephos, a crown ; from the feathery -like pappus. 
Linn. 19, Or. 2, Nat. Or. Compositw. The seed of 
these plants should be sown on a gentle hotbed, and 
the young plants transplanted into the open border, 
coronopifdlium . Yellow . 6, H. A. Mexico . . 1823 
trifIdOm . . . YeUow . 6, H. A. Mexico . . 1823 
Ptilota, Agardh. From ptilotos, pinnated ; the form 
of the frond. Linn. 24, Or. 7, Nat. Or. Algee. This 
species and its variety, are found in the ocean — 
P. plumOsd, P. tenuissimd. 
Ptychotis, Koch. From ptyche, a plait, and ovs, an 
ear; the petals have a plait emitting a segment 
resembling a little ear. Linn. 5, Or. 2, Nat. Or. 
Umbelliferae. Annuals not worth cultivating. Sy- 
nonymes: 1. Seseli ammoides. 2. Trachyspermum 
copiicum. 3. S. corsicum. 4. S. saxifragum, Carum 
Bunius, Meum heterophyllum. 5. S. verticillatum, 
pusillum — P. ammoides 1, cOptted 2, corslcd 3, hetero- 
phylld 4, verticilldtd 5. 
PuBERULA, rather downy. 
Pubescent, downy, hoary, covered with short soft 
hairs. 
PucciNiA, Persoon. In honour of T. Puccinius, a 
professor of anatomy at Florence Linn. 24, Or. 9, 
Nat. Or. Fungi. The species of this genus have all 
the appearance of blackish or brown smut; and are 
found, as most of the specific names imply, upon 
the leaves of various plants — P. Adiixa, AEgopudii, 
AnSmdnes, Aspardgl, Aviculdride, Betonlcd, Buxl, 
Culthce, Campaniilce, caricind, Centadrice, Chrysos- 
plena, Circade, clandestlnd, Epildbn, GaliOrTim, 
Glechomdtis, globOsd, glomerdtd, Graminis, HerdclSt, 
Lychnidedrum, Menthce, Polygbni, Primfilce, Pru- 
nOriim, pulverulentd, Saniculde, ScorodOmce, Syn- 
genesidrUm, tumidd, Ulmdriw, UtnbeUiferdrdm, 
Valdntiw, varidbllls, Veroniedrum, Vtncce, ViOldi. 
PuccooN, see Sanguindrid. 
PuniCA, modest, humble. 
PuERARiA, Decandolle. In honour of M. M. N. 
Puerari, a professor at Copenhagen. Linn. 16, Or. 
6, Nat. Or. Leguminosae. Ornamental plants. For 
culture and propagation, see Clitoria. Synonyme : 
1. Hedysarum tuberosum. 
tuber6s4, 1 . . . Yellow . G. Ev. CL E. Ind. . . 1806 
Walllchu . . . Yellow . G. Ev. CL Nepal . . 1826 
PuFE-BALL, see LycopSrdOn. 
PuemonarIa, Linn. So named from its supposed 
medical properties in diseases of the lungs. Linn. 
5, Or. 1, Nat. Or. Boraginaceae. Very pretty 
flowering plants, well adapted for ornamenting the 
front of shrubberies. They thrive in any common 
soil, and are readily increased by divisions. Syno- 
nyme : 1. P. oblojigata, 
angustifolia . . Violet . .4, H. Her. P. Britain . . 
oblongata, 1 . Pink . . 5, H. Her. P. Germany . 
azurf a .... Blue . . 4, H. Her. P. Poland . . 1 823 
grandiflora. . .Pink . . 5, H. Her. P. France . . 1819 
mollis .... Blue . . 6, H. Her. P. N. Amer. . 1805 
officinalis . . . Pink . . 4, H. Her. P. England . 
alba .... White . . 6, H. Her. P. England . 
puhescens ... Purple . 5, H. Her. P. Russia . . 1821 
saccharata . . . Pink . . 6, H. Her. P. Europe . . 1817 
tuberota . . . Pink . . 5, H. Her. P. Hungary . 1824 
PuLMONARiA, see MertSnsid. 
PuLTENJEA, Smith. In honour of W. Pulteney, M.D., 
a botanical author. Linn. 10, Or. 1, Nat. Or. 
Leguminosae. The beautiful little shrubs ot this 
genus succeed best in a compost of loam, peat, and 
sand, and placed in an airy part of the greenhouse 
or conservatory. Cuttings of the half-ripened 
wood root readily in sand, under a glass, 
argentaa . . . Yellow . 4, G. Ev. S. N. Holl. . 1824 
arist&ta .... Yellow . 5. G. Ev. S. N. Holl. . 1824 
asp6r& .... Yellow . 6, G. Ev. S. N. Holl. . 1824 
