i r
62 ANNALS OF THE EOYAL BOTANIC GAUDRN, CALCUTTA.
to -65 in. long and -5 in. in (liam. Seeds 1 to 3, thickly discoid, bi-concave with
grooved edge, inigulose. ffook. fil. ^ Th. Fl. Br. Ind. i. 60; Miq. Fl Jnd. Bat. i.
pi. 2, 43; Ku>-3 For. FL Bum. i. 35; Kin/; in Journ. vis. Soc. Bengal 61, -pt. 2, 49.
S i Q g a p o r e , — R i d l e y . Perak,—^m^^'s Collccior, Scorteehini; common. ? Burmah
(in Tcnasserim),—ioW.
'I'his is a rare plant in Burmah, if indeed it occurs there at all. The loaves
of some of the Pemk specimens have petioles '5 in. long, but usually they are as
above described.
PLATE 85. Unona stenopetala, H. f . -.y Th. 1, Flowering branch; 2, twig with
flowers and f r u i t ; 3, fascicle of flowers; 4, single flower (from another specimen);
5, andro-gyufficium and sepals—o/ natural size; 6 & 7, anthers; 8 & 9, pistils—enZari/ci/.
1 2 . P o l y a l t h i a , Bhme.
Trees or shrubs with the habit of TJnona. Sepals 3, valvate or sub-imbricate. Petals
6, 2-seriate, ovate or elongated, flat, or the inner slightly vaulted. Torus convex. Stamens
cuneate; anther-cells extrorse, remote. Ovaries indefinite; style usually oblong; ovules
1-2, basal and erect, or sab-basal and ascending. Ripe carpels 1-seeded, berried.
Distrib.—Tropical Asiatic species about 45; African species 3; Australasian species 2.
S e c t . I.—Mosoon. OntiIb solitary, usually basal, erect.
Flowers from the axils of the leaves or of fallen leaves, not from the
trank.
Flowers solitary.
Leaves under 5 in. in length (7 in, in P. Sitmatrana), more or less
lanceolate.
Leaves not glaucous underneath ; petals ovate, acute.
Bark of branches hypertrophied 1. P. í
Bark of branebos not hypertrophied,
Nerves of leaves 8 or 9 pairs, none of the petals
sub-orbicular.
Leaves thinly coriaceous, quite glabrous . . 2. P. dumosa.
Leaves membranous, pubescent, at least when
young 3, f . cerasoides.
Nerves of leaves 10 or 12 pairs; inner petals suborbieular
4. P . persictsfoUa.
Leaves very glaucous beneath; pétala linear-oblong, obtuse.
Eipe carpels smooth 5. P. hypoleuca.
Eipe carpels vertically ridged 6. P. sumatrana.
Leaves over 5 in. in length (see also No. 7), not glaucous.
Flowers axillary.
Petals more or less narrowly lanceolate.
Leaves Ovate-lanceolate, glabrous;' ripe carpels oblong,
blunt at each end 7, P. andamanica.
ANONACEJi; OP BRITISH I^DIA.
Leaves oblong or oblong-lanceolate, glabrous; ripe
arpelB tapering to each end 8. P.
Petals oblong-elliptio, slightly obovate, 1'3 to 2'5 in. Ion
Flowers terminal; petals ovate-elliptic, 1 to 1'25 in. Igng ,
Flowers solitary or in pairs; ripe carpels little more than '25 in. long.
Flowers -4 in. in diam.; petals broadly oblong-ovate, obtuse
Petals 1-5 to 2 io. long, lanceolate-obloog; leaves narrowl
late-oblong or elliptic-oblong
Petals -85 to 1-5 in. long, broadly lanceolate or oblaneeolate; lea
oblong-lanceolate to ovate-elliptic
Flowyrs in pairs; petals obovate-oblong, 1 io, long; carpels ovoid, -65
long
9. P.
10. P.
Flowers solitary or in fascicles of 2 or 3 from the branches below the
leaves; petals 2 in. long, ovate-lanceolate; carpels ovoid-globose, 1 io.
long
mncranUia.
imlch-a.
Kimstkri.
i HcoiiecMnii.
', Jcnhiimi.
. Huokeriana.
Flowers never solitary, but always in fascicles or cymes,
the branches below the leaves.
Leaves narrowly lanceolate, the
sillary or from
undulate 16. P, longifoUa.
Leaves elliptic to ovate-oblong, the edges not undulate.
Petals narrowly linear p. frograns.
Petals hnear sub«acute 18 P niminrnm
Flowers in fascicles from the young branches below the leaves or from the
larger branches; never axillary.
Leaves 8 to 15 in. loog with 12 to 16 pairs of promment, oblique, or
spreading nerves
Leaves 6 to 8 in. long, with 10 to 12 pairs of slender
nerves
19. P. later i fior a.
20, P. izlerophjlla.
Flowers in fascicles from tubercles on the main stem, often near.its base,
never axillary and probably never from the branches.
Inflorescence asrial.
Leaves under 8 in. in length.
Leaves oblong-lanceolato; nerves 8 or 9 pairs ; torus of ripe
fruit 1-25 in. m diam.; stalks of ripe carpels
Leaves oblong; nerves 7 pairs; torus of ripe fruit
diam.; stalks of ripe carpels l"o iu. long .
Leaves elliptic to oblong, slightly oblique . .
Loaves 9 to 16 in. long, oblong-elliptio . . . .
Inflorescence sub-hypogcoal
75 in, long . 21. P. macropoda.
•5 in. in
• . . 22. P. clavigera.
• . . 23. P. glomcra'a.
• • . . 24, P. congregata.
. . . 25.
S e c t . II.—EupoLTALxniA. Ovules 3 (3 in P. korinti], superposed.
Flowers solitary.
Leaves under 5 in. in length, not cordate at the base.
Leaves oblong-lanceolate.
. P. o6iipia.