corymbs or fascicles, bracteolate or not, never involucrate (in the Malayan species). Calyx-tube short; the limb persistent in part or deciduous. Corolla tube straight, short; the throat naked or hairy; the lobes of the mouth 5, rarely 4 to 6, valvate in bud. Stamens as many as the corolla-lobes, inserted on the throat or mouth; anthers linear or obtuse, attached dorsally near the base to short or long filaments. Ovary 2-celled; style long or short, bifid; ovules often cuneiform, solitary, erect from the base of each cell. Fruit small, baccate or drupe-like, ovoid globose or oblong, smooth or ridged, composed of two plano-convex, 1-celled, 1-seeded pyrenes; or didymous and separating into two cocci. Seeds plano-convex, the ventral surface. grooved or plane, the dorsal smooth, ridged or sulcate; testa thin, albumen hard; embryo small, basal; cotyledons broad, thin; radicle inferior. DISTRIB. Species about 550; tropical or sub-tropical.

Scandent:

Flowers 4-merous :

Panicles lax; leaves elliptic- or oblong-lanceolate Flowers 5-merous :

Seeds with 4 ridges on the dorsal surface, the ventral
surface plane :-

Flowers sessile in small capitula at the ends of the
branches of the cymes:-

1. P. laxiflora.

Leaves narrowly elliptic-oblong, main-nerves 4 to 6
pairs; petioles 4 to 8 in. long; fruit 35 in. long.. 5. P. Kunstleri.
Leaves broadly obovate or sub-ovate; main-nerves 5

to 10 pairs; petioles 5 to 1.5 in.; fruit 4 in. long.. 6. P. penangensis. Seeds with 3 ridges on the dorsal surface, the ventral

surface plane:

Flowers pedicellate, in cymosely branched paniculate
cymes; fruit narrowly ellipsoid

Flowers on short pedicels in globular cymes at the ends
of the branches of the panicles :-

Leaves and stems glabrous; fruit subglobose, 2 in.
long

..

7. P Scortechinii.

8. P. pilulifera.

Leaves and stems and inflorescence rusty-pubescent 9. P. ovoidea. Seeds with more than 4 ridges on both dorsal and ventral surfaces

10. P. Ridleyi.

Flowers shortly pedicellate, in dense globular cymules at the ends of the long-peduncled branches of a terminal umbellate cyme; leaves deciduously puberulous, with 9 to 13 pairs of main-nerves; fruit 3 in. long; seeds 4-ridged on the dorsal surface, slightly concave on the ventral

Flowers sub-sessile, in short condensed dichotomous sessile axillary cymes; leaves with scurfy pubescence and 8 to 11 pairs of main-nerves; seeds 5-ridged on the dorsal and broadly grooved on the ventral surface

Flowers in a terminal umbellately branching cyme :Seeds with a single dorsal ridge, the ventral surface plane :

12. P. calocarpa.

13. P. multicapitulata.

14. P. tortilis.

15. P. Griffithii.

16. P. angulata. 17. P. Helferiana.

18. P. montana.

19. P. viridiflora.

20. P. Birchiana.

21. P. fulva.

22. P. fulvoidea.

on the ventral; leaves glabrous, usually oblanceolate 23. P. stipulacea. Seeds 4-ridged on the dorsal surface, plane on the

ventral:

Leaves elliptic, tapering equally to each end, 9- to

10-nerved; calyx-lobes very long caudate-acuminate 24. P. Curtisii.
Leaves obovate-oblong or obovate-oblanceolate, 10- to
14-nerved; calyx-lobes short, broad, blunt

.. 25. P. rhinocerotis.

1. PSYCHOTRIA LAXIFLORA, Blume Bijdr. 964. Scandent or epiphytic, glabrous except the inflorescence; young branches slightly thicker than a crow-quill, terete, dark-coloured, brown, shining. Leaves membranous, narrowly elliptic- or oblong-lanceolate, much acuminate, the base cuneate; both surfaces olivaceous-brown when dry, the lower the paler, midrib distinct; main-nerves 4 to 6 pairs, faint, curved, ascending; length 2 to 4 in.; breadth 5 to 1 in.; petiole 15 to 2 in. long. Stipules forming a tube from 15 to 3 in. long, sharply toothed. Panicles solitary, terminal, lax, more than half as long as the leaves, on naked peduncles about 1 in. long; branches cymose, with small acute bracteoles at their bases, puberulous. Flowers 15 to 2 in. long, puberulous, in cymules of three at the ends of the branchlets; their pedicels short, with broad acute caducous bracteoles at their bases. Calyx shortly funnel-shaped, the mouth sub-truncate or obscurely 4 toothed. Corolla longer than the calyx, broadly clavate in bud, funnel-shaped; the mouth with 4 broad obtuse lobes, throat sericeous. Anthers 4, elliptic, blunt, sub-sessile. Fruit clavate-ellipsoid, with 8 vertical ridges (2 of them double), glabrous; seeds with 4 bold ridges on the dorsal surface; the ventral surface quite flat. Miq. Fl. Ind. Bat. II. 187.

SINGAPORE: Ridley 13, 4828. JOHORE: Ridley. PERAK: King's Collector 4117, 8428; Wray 110.-DISTRIB. Sumatra, Forbes 1297, 1309, 1710, 2466; Java, Koorders 23550B.

2. PSYCHOTRIA MORINDEFLORA, Wall. Cat. 8438 A.B.C. in part. A woody climber, 15 to 20 feet long, glabrous except the puberulous inflorescence; young branches thinner than a goose-quill, dark brown when dry, terete, somewhat thickened at the nodes, the internodes minutely lenticellate and faintly striate. Leaves coriaceous, ovate to elliptic, sometimes oblong-lanceolate, shortly and rather bluntly acuminate, the base slightly cuneate or rarely rounded; upper surface olivaceous-greenish when dry, the lower purplish-brown; the midrib channelled on the upper surface, prominent on the lower; main-nerves 6 to 8 pairs, rather straight, spreading, thin but rather distinct on both surfaces when dry; length 3 to 4.5 in.; breadth 1.75 to 2.5 in.; petiole

-2 to 5 in. Stipules caducous, leaving a pale narrow scar between the petioles. Cymes terminal, about 2 in., rarely 3 in. long; the branches compressed and angled, scurfy-puberulous, two of them springing from the base, the other three umbellate at the apex of the main axis, each bearing at its apex a dense, many-flowered, minutely bracteolate capitulum less than 5 in. in diam. Flowers 2 in. long, sessile. Calyx cupular, the mouth with 5 small blunt teeth. Corolla twice as long as the calyx; the mouth with 5 deep oblong blunt lobes; throat densely sericeous. Anthers 5, short, elliptic, basifixed on stout filaments. Style cylindric, thickened upwards; stigma of 2 broad lobes. Fruit short, compressed ovoid-elliptic, with 8 vertical ridges (2 of them double) crowned by the small calyx, 25 in. long and 15 in. in diam. from front to back; seeds with 4 dorsal ridges; ventral surface plane. Hook. fil. Fl. Br. Ind. III. 166. Psychotria? Wall. Cat. 8355.

PERAK: King's Collector 2585, 2665; Scortechini 1826; Wray 4001. PENANG Wallich; Curtis 478.

3. PSYCHOTRIA MAINGAYI, Hook. fil. Fl. Br. Ind. III. 166. A slender woody climber; young branches half as thick as a goose-quill, pubescent, ultimately pale and glabrous. Leaves thickly membranous, narrowly elliptic, caudate-acuminate, the base much narrowed; both surfaces glabrous, when dry pale olivaceous, the upper rather the darker; main-nerves about 6 pairs, indistinct on both surfaces like the midrib; length 2 to 3.25 in.; breadth 65 to 1-2 in.; petiole 1 to 2 in., slender. Stipules cartilaginous, persistent, connate into a tube 15 in. long with a few hairs at the truncate and toothed or acute apex. Cymes axillary, on slender, compressed, coarsely pubescent peduncles shorter than the leaves, few-branched. Flowers sessile, bracteoles linear. Calyx much longer than the pubescent ovary, widely campanulate; the lobes ovate-triangular, caudate-acuminate, spreading. Corolla unknown. Fruit broadly ellipsoid, with 8 deep vertical grooves, pale, nearly glabrous when ripe, 2 in. long.

SINGAPORE: Maingay (K.D.) 926; Ridley 6924. 4. PSYCHOTRIA SARMENTOSA, Blume Bijdr. 964. Scandent; woody; young stems thinner than a goose-quill, pale, glabrous. Leaves thinly coriaceous, elliptic-oblanceolate to elliptic, acute or shortly and abruptly acuminate, much narrowed at the base, edges slightly recurved; both surfaces pale brown tinged with olivaceous when dry, minutely reticulate; the upper glabrous, the lower sometimes pubescent only on the stout midrib; main-nerves 7 to 10 pairs, curving slightly upwards, faint; length 2.5 to 4 in.; breadth 1 to 1.75 in.; petioles 4 to 75 in., winged above. Stipules broad at the base, the apex caudate-acuminate.

Cymes terminal, puberulous, shorter than the leaves, on short peduncles, cymosely branched; the branches angled, spreading, many-flowered ; bracteoles minute, linear. Flowers about 15 in. long, puberulous outside, on short pedicels. Calyx campanulate, with 5 short triangular teeth. Corolla villous at the base in the interior. Fruit ellipsoid, 25 in. long, with 10 vertical ridges (2 of them double). Seeds with 4 dorsal ridges, the ventral surface plane. DC. Prod. IV. 522; Wight Ic. 1038; Thwaites Enum. Pl. Ceyl. 148; Kurz For. Fl. Burm. II. 14; Hook. fil. Fl. Br. Ind. III. 165. P. obovata, Wall. Cat. 8380. Grumilea Junghuhniana, Miq. Fl. Ind. Bat. II. 296. Psychotria sp.,. Wall. Cat. 8382, 8352 ?, 8384.

SINGAPORE: Ridley 2874, 2875, 9112. MALACCA: Griffith (K.D.) 3043. PERAK: King's Collector 4967, 7572. PENANG: King 1346; Curtis 951, 2781.-DISTRIB. Burma, Wallich; Helfer (K.D.) 3041, &c.; Indian Peninsula; Ceylon; Malay Archipelago; Andaman Islands.

VAR. pachyphylla, King & Gamble. Leaves thickly coriaceous, shining, greenish when dry, 3 to 4 in. long; fruit 25 in. long, subglobular.

PENANG Ridley 9363; Curtis 2215.

5. PSYCHOTRIA KUNSTLERI, n. sp., King & Gamble. A glabrous epiphyte with slightly angled stems thinner than a goose-quill, pale yellowish when dry. Leaves succulent, glossy and bluish-green when fresh, but yellow on both surfaces and dull when dry, narrowly ellipticoblong, rarely oblong-oblanceolate, gradually and equally tapering to each end; the midrib bold, channelled on the upper surface; mainnerves 4 to 6 pairs, spreading, very indistinct; length 3 to 5.5 in.; breadth 8 to 1.4 in.; petioles 4 to 8 in. long. Stipules forming a cartilaginous persistent cup with an entire mouth, about 1 in. long. Cyme solitary, umbellate, terminal, longer than the leaves (the naked peduncle of 2 to 3 in. being included), lax, from 2 to 4 in. broad; branches spreading, dividing near their apices into umbellate cymes; bracteoles few, linear, acute. Flowers not seen on basally bracteolate pedicels as long as themselves. Fruit 35 in. long, ellipsoid, deeply 10-grooved, crowned by the rather large remains of the 5-toothed calyx, 10-ridged. Seeds dorsally 4-ridged, the ventral surface flat.

PERAK: Scortechini; King's Collector 1886, 4953, 6588; Wray 2230.-DISTRIB. Sumatra, Forbes 2823.

6. PSYCHOTRIA PENANGENSIS, Hook. fil. Fl. Br. Ind. III. 175. A shrubby epiphyte or climber, 8 to 12 feet long, all parts except the inflorescence glabrous; young branches slightly compressed, thinner than a goose-quill, dark-coloured. Leaves thinly coriaceous, broadly elliptic-obovate or sub-ovate, shortly and abruptly triangular, acumi