صور الصفحة
PDF
النشر الإلكتروني

connective produced in a conical acumen. Ovary pubescent; style short; stigma 2-lobed. Drupe oblong-ellipsoid, 1.7 in. long, 1 to 1.2 in. broad; exocarp thick, granular; endocarp hard, 15 in. thick, obscurely ridged outside. Seed 1, testa membranous, albumen fleshy. L. insignis, Clarke in Hook. f. Fl. Br. Ind. III. 610. Chionanthus macrocarpa, Blume Mus. Bot. I. 319 (1849); Koord. & Val. Bijdr. VIII. 239. C. insignis, Miq. Fl. Ind. Bat. Suppl. 559 (1862). C. montanus, Kurz in Journ. As. Soc. Beng. XLVI. ii. 243, and For. Fl. II. 159. SINGAPORE at Bukit Mandai, Ridley 4580.-DISTRIB. Tenasserim (Helfer (K.D.) 3688), Martaban (Kurz), Sumatra (Teysmann, Beccari 826), Borneo (Beccari 725).

3. LINOCIERA PALUDOSA, King & Gamble, n. sp. A small tree (Wray), large tree, 60 to 80 feet high, and 15 to 20 in. in diam. of stem (King's Collector); branchlets thick, pale greyish-brown. Leaves coriaceous; oblong, bluntly acute at apex, also at base; glabrous on both surfaces except on the nerves which are minutely pubescent; margins recurved; 6 to 12 in. long, 2 to 4 in. broad; midrib thick, prominent, slightly raised above, strongly so beneath main-nerves 11 to 15 pairs, impressed above, prominently raised beneath, 75 to 1 in. apart, at first straight then curving upwards to and along the margin to anastomose and form a prominent looped intramarginal nerve; secondary nerves few; reticulations transverse, not prominent; petiole stout, wrinkled, 5 in. long. Flowers yellow, with a brown centre, in pubescent panicles 1.5 to 2 in. long from the branchlets between the leaf-nodes in the axils of small tubercles; peduncles stout, grey-pubescent, 2 in. long; bracts ovate, grey-pubescent; bracteoles ovate-acute, recurved; pedicels 0.5 in. long. Calyx-tube short, lobes ovate-acute or triangular, ciliate, 025 in. long, one lobe sometimes enlarged. Corolla-lobes in 2 pairs, linear-oblong, obtuse, 2 in. long, 05 in. broad, glabrous. Stamens 05 in. long; filaments broad, short; anthers rounded, connective with an obscure gland. Ovary conical, glabrous; style short; stigmas 2. Fruit not known.

PERAK at Sungie Larút, Wray 2424; on low wet ground, King's Collector 6476.

4. LINOCIERA CAUDATA, King & Gamble, n. sp. A tree, reaching 30 to 40 feet in height and 5 to 7 in. in diam. of stem; branches slender, pale grey, ultimate branchlets darker. Leaves chartaceous; lanceolate, caudate-acuminate at apex, cuneate at base; glabrous on both surfaces; margins entire, recurved; 3 to 4 in. long, 1 to 1.25 in. broad; midrib slender, raised above, scarcely raised beneath; main-nerves very obscure, about 4 to 5 pairs, curving sharply upwards to meet in an intramarginal looped nerve; petiole 1 to 2 in. long, grooved above.

[merged small][merged small][ocr errors]

Flowers in axillary or extra-axillary, few-flowered, trichotomous, paniculate cymes about 1 in. long; rachis glabrous, somewhat angular; bracts and bracteoles small, ovate, acute. Calyx 05 in. long, tube

short; lobes 4, ovate, obtuse. Corolla-tube scarcely any; lobes in 2 pairs, oblong, 1 in. long. Stamens: filaments broad; anthers oblong, cells extrorsely dehiscing; connective apiculate. Ovary glabrous, conical; style very short; stigma bifid. Drupe (immature) obovoid, 3 to 4 in. long, seed apparently albuminous.

PERAK: King's Collector 3212, 6857, in dense jungle on high mountains at 3,500 to 4,000 feet.

This species is rather near L. monticola, Bl., but the leaves are narrower and the inflorescence longer.

4. OLEA, Linn.

Trees or shrubs. Leaves opposite, entire or toothed. Flowers small; hermaphrodite, diœcious or polygamous; in axillary, rarely terminal trichotomous panicles; bracts small. Calyx short, 4-toothed or -lobed. Corolla-tube short; lobes 4, induplicate-valvate, sometimes 0. Stamens 2, on the corolla-tube or sub-hypogynous; filaments short; anthers ovate or oblong, cells dehiscing on the margin or slightly extrorse, in ♂ flowers sometimes introrse. Ovary 2-celled; ovules 2 in each cell, attached laterally to the septum or sub-pendulous; style short; stigma obtuse, capitate or bifid. Drupe ellipsoid or sub-globose; exocarp fleshy; endocarp bony or crustaceous, usually 1-seeded. Seed pendulous; testa thin; albumen fleshy, sometimes slightly ruminate; cotyledons flat, radicle superior.-DISTRIB. South Europe and Asia, tropical and South Africa, New Zealand; about 35 species.

[ocr errors]

Inflorescence more than 3 in. long; leaves oblong lanceolate,
acute, usually over 4 in. in length
Inflorescence under 3 in. long; leaves elliptic-lanceolate, acuminate,
under 4 in. in length

[ocr errors]

SPECIES IMPERFECTLY KNOWN.

[ocr errors]
[ocr errors]

1. O. dentata.

2. 0. maritima.

3. O. platycarpa.

Leaves 8 to 14 in. long; inflorescence extra-axillary on old wood;
drupes flattened
Leaves 2 to 3 in. long; inflorescence axillary or extra-axillary on
young wood; corolla-lobes linear, 1 in. long; drupes not known.. 4. O. ardisioides.
1. OLEA DENTATA, Wall. Cat. 2840 (1829). A tree, 40 to 60 feet high;
branchlets light brown, smooth, innovations minutely pubescent.
Leaves coriaceous; oblong-lanceolate, bluntly acute at apex, cuneate or
rounded at base; glabrous on both surfaces, but when young pubescent
on the nerves beneath; margins entire or distantly dentate, slightly
recurved; 3.5 to 5.5 in. long, 1 to 2 in. broad; midrib slender, im-

pressed above, raised beneath; main-nerves obscure, 8 to 10 pairs, arching upwards to join in a looped nerve near the margin, impressed above; petiole 4 in. long. Flowers in axillary or extra-axillary, leafy, tri-pinnate, minutely pubescent, paniculate cymes, 3 to 6 in. long, branches trichotomous, ultimate cymes umbellate; bracts leafy, oblong or lanceolate, 5 to 15 in. long; pedicels slender, 05 to 1 in. long; bracteoles minute, ovate-acute. Calyx minutely pubescent, 05 in. long; lobes 4, ovate, obtuse. Corolla tubular-campanulate, 15 in. long; lobes 4, rounded, 05 in. long. Stamens very small, inserted at the base of the corolla-tube; filaments very short; anthers ovoid, sub-extrorsely dehiscent. Ovary ovoid; style none; stigma capitate; cells 2, ovules 2 in each cell. Drupe not seen. A.DC. Prod. VIII. 286; Kurz in Journ. As. Soc. Beng. XLVI. ii. 245, and For. Fl. II. 157; Clarke in Hook. f. Fl. Br. Ind. III. 613.

PENANG

Curtis 222, 950, 2267.-DISTRIB.

Burma.

2. OLEA MARITIMA, Wall. Cat. 2813 (1829). A large shrub or small tree; branchlets terete, pale brown; innovations minutely pubescent. Leaves coriaceous; elliptic-lanceolate, acuminate at apex, cuneate or somewhat rounded at base; glabrous on both surfaces; margins entire or distantly serrate on their upper half; 3 to 4 in. long, 1 to 2 in. broad; midrib slender, impressed above, raised beneath; main-nerves obscure, 7 to 10 pairs, meeting near the margin in a looped intramarginal nerve; reticulations scanty; petiole 2 to 3 in. long, minutely pubescent when young, finally glabrous. Flowers dull white, polygamous, in slender, minutely pubescent, trichotomous paniculate cymes with few branches; ultimate cymes umbellate, usually 75 to 1 in. long in flower, up to 1.5 in. long in fruit, rarely axillary, usually extra-axillary; each pair of peduncles supported by a pair of ovate lanceolate leafy bracts 3 to 5 in. long; common peduncles ·7 in. long; pedicels 05 to 1 in. long, bracteoles none. Calyx 05 in. long, minutely rusty-pubescent; tube short; lobes 4, ovate-acute, as long as tube. Corolla campanulate, •1 to 15 in. long; lobes 4, obtuse, as long as tube, induplicate-valvate, apparently absent in ?. Stamens 07 in. long, inserted near the base of the corolla-tube; filaments slender; anthers as long as filaments, reniform, cells sub-extrorsely dehiscing. Ovary conical; style none; stigma capitate; cells 2, ovules in each cell pendulous. Drupe globose, 2 in. in diam., black when ripe, wrinkled when dry; exocarp thin, fleshy, endocarp crustaceous. Seed 1, testa very thin, albumen copious; cotyledons elliptic, nearly 1 in. long; radicle somewhat thick. G. Don Gen. Syst. IV. 49; A.DC. Prod. VIII. 288; 288; Clarke in Hook. f. Fl. Br. Ind. III. 612; Miq. Fl. Ind. Bat. II. 547.

יין

MALACCA: Griffith (K.D.) 3679; Maingay (K.D.) 1022; Cuming 2318; Ridley 3284, 10731. PAHANG: a common bush on the sandy heaths, Ridley in Trans. Linn. Soc. Ser. 2. III. 319. SINGAPORE: Wallich 2813; Walker 183; Ridley 3616A, 8420; King's Collector 1138; Murton 62.-DISTRIB. Malay Islands.

SPECIES IMPERFECTLY KNOWN.

3. OLEA PLATYCARPA, King & Gamble, n. sp. A small tree with spreading branches, reaching 25 to 30 feet in height; branchlets stout, pale brown, smooth, marked by the prominent horse-shoeshaped scars of fallen leaves. Leaves coriaceous; obovate - oblong or oblong-lanceolate, abruptly acuminate at apex, cuneate at base; glabrous on both surfaces and with scattered glands; margins entire, slightly recurved; 8 to 14 in. long, 3 to 5 in. broad; midrib very. stout and prominent; main-nerves 14 to 16 pairs, curving upwards to join in a looped intramarginal nerve close to the margin; secondary nerves few; reticulations irregular, obscure; petiole 1 in. long, base enlarged, wrinkled. Flowers dioecious, in extra-axillary, sessile, paniculate, trichotomous cymes, usually on old wood, 1 to 1.5 in. long, supported by a cluster of sheathing scarious bracts; bracts of panicle branches and bracteoles ovate-acute; pedicels very short, stout, somewhat angular. Calyx short, 05 in. long; teeth (in ? flowers) ovate, obtuse, ciliate. Corolla none in ?, ♂ not seen. Ovary conical, rugose; style 0; stigma 2-lobed, mitriform. Drupe ovate-oblong, flattened, 7 in. long, ·5 in. broad; exocarp thick, wrinkled when dry; endocarp thick, granular; cells 2. Seed 1, pendulous from the summit of the thin central persistent septum; testa membranous; albumen thick, fleshy; cotyledons ovoid, 15 in. long, radicle rather stout. PERAK at low levels on the hills, King's Collector 5541, 7649; Hervey.

The absence of male flowers renders the identification of the genus of this plant somewhat uncertain, but we consider it belongs rightly to Olea.

4. OLEA ARDISIOIDES, King & Gamble, n. sp. A small tree; branches slender, terete, with yellowish bark; branchlets minutely pubescent. Leaves coriaceous; lanceolate, long acuminate at apex, cuneate at base; glabrous on both surfaces; margins entire, recurved; 2 to 3 in. long, 6 to 1 in. broad; midrib slender, impressed above, raised beneath; main-nerves 5 pairs, curving upwards to meet in a looped intramarginal nerve, obscure; secondary nerves and reticulations very obscure; petiole slender, 1 to 2 in. long. Flowers in axillary or extra-axillary

slender paniculate cymes, 1 to 2 in. long; rachis somewhat angular, minutely pubescent; bracts leafy, lanceolate, 5 to 1 in. long; bracteoles similar or sometimes subulate-spathulate; pedicels slender, 1 in. long, reflexed. Calyx-tube very short; lobes 4, ovate-acute, 025 in. long, ciliate. Corolla-tube 03 to 05 in. long; lobes 4, induplicate-valvate, linear, 1 in. long. Stamens 2, inserted at the base of the corolla-tube, 05 in. long; filaments slender; anthers elliptic, cells dehiscing laterally, connective mucronate. Ovary conical; style 0; stigma minute, bifid; cells 2. Fruit not seen.

PERAK on Gunong Bubu, 5,000 feet, Wray 3871. PAHANG: Barnes 10896.

We have hesitated whether to describe this species as Olea or Linociera, for the corolla-tube is not very long, and the lobes are like those of the latter genus, but the character of the leaves is distinctly that of Olea.

5. MYXOPYRUM, Blume.

Large scandent shrubs with quadrangular branches. Leaves opposite, large, triplinerved, entire or denticulate. Flowers small, yellow, very numerous, in axillary and terminal trichotomous panicles. Calyxtube short, lobes 4. Corolla fleshy; tube urceolate; lobes 4, concave, induplicate-valvate in bud. Stamens 2, inserted on the base of the corolla-tube; filaments very short; anthers rather large, ovate, cells dehiscing laterally. Ovary 2-celled; style very short or O, stigma 2-lobed; ovules 1 to 2 in each cell, attached near the base at the inner angle. Fruit a 1-2-seeded sub-globose berry; pericarp crustaceous. Seeds 1 to 4, erect, testa membranous, albumen thick; cotyledons flat, ovate, radicle inferior.-DISTRIB. India and Malaya, 3 species.

MYXOPYRUM NERVOSUM, Blume Bijdr. 683 (1826). A large climbing shrub; branches with fibrous pale brown bark; branchlets prominently quadrangular. Leaves coriaceous; elliptic or elliptic-oblong or ellipticlanceolate, acuminate at apex, cuneate or rounded at base; glabrous on both surfaces; margins entire or denticulate in the upper half, prominently recurved; 4 to 7 in. long, 1·5 to 3·5 in. broad; midrib thick, prominent beneath, impressed above; main-nerves 4 to 6 pairs, the lowest pair opposite, very prominent, starting a little above the base and forming an intramarginal nerve looped only after where it meets the rest at about two-thirds of the way up, the next pair not opposite and only starting from about half the length of the leaf; secondary nerves few, reticulations irregular, prominent in dry specimens; petiole 3 to 5 in. long, often twisted, channelled above, articulate at the base. Flowers sessile, in terminal or axillary or extra-axillary, trichotomous, minutely

« السابقةمتابعة »