LIX. MELASTOMACE.E. 
[Memecylon. 
8 io 
25 . MEMECYLON, Linn. 
Shrubs or small to moderate trees. Leaves opposite; petiole 
short coriaceous, pinnate-nerved (rarely 3-nerved). Flowers small 
in axillary simple or panicled cymes or umbels, rose or white or 
often blue. Calyx campanulate, limb dilate, truncate or 4-toothed. 
Petals 4. Stamens 8, equal; anthers opening in slits in front, 
connective with a horn behind. Ovary i-celled with a depressed 
or convex disc on the top with 8 radiating grooves; ovules 6 to 12. 
Drupe globose or ellipsoid, pulpy, i-seeded. Species about 100, 
Africa, tropical Asia and Australia. 
Leaves triplinerved from base . . • 
Leaves pinnate-nerved more or less conspic¬ 
uously. 
Cymes few-flowered on long slender peduncles 
Cymes many- or few-flowered, dense short. 
Branchlets winged or conspicuously angled. 
Branchlets stout strongly winged; leaves 
coriaceous oblong lanceolate 
Branchlets slender winged; leaves very 
thin, lanceolate . 
Branchlets angled; cymes peduncled 
1 in. long .... 
Branchlets angled; cymes sessile; flowers 
3 or 4 • • 
Branchlets not winged nor angled. 
Leaves 6 to 8 in. long; nerves conspicuous 
inarching, sessile or nearly 
so. 
Cymes on stout peduncles . 
Peduncles slender with terminal umbel. 
Cymes sessile or very shortly peduncled. 
Leaves cordate; flowers ■ 2 in. wide . 
Leaves cordate; flowers *1 in. wide . 
Leaves ovate, base narrowed not 
cordate .... 
Leaves oblong-lanceolate, base broad 
not cordate 
Leaves 4 in. long or less, petiolate. 
Nerves slender visible; cymes pedun¬ 
cled elongate compound. 
Cymes pubescent .... 
Cymes glabrous. 
Nerves conspicuous . 
Nerves obscure; cymes compound. 
Leaf-base acuminate 
Leaf-base round . 
Nerves invisible. 
Leaves large over 4 in. long. 
Leaves cordate amplexicaule; 
flowers small white 
Leaves not cordate; flowers large 
blue . 
Leaves small, 2 in. long. 
Leaves ovate sessile 
Leaves rhomboid petioled 
(1) M. oligoneuron 
(2) M. gracilipes 
(3) M. epiphyticum 
{4) M. tenuifolium 
(5) M. fruticosum 
(6) M. dichotomum 
(7) M. caloneuron 
(8) M. Hullettii 
(9) M. Maingayi 
(10) M. Wallichii 
(n) M. heteropleurum 
{12) M. longifolium 
(13) M. pubescens 
(14) M. Kunstleri 
(15) M. oleeefolium 
(16) M. laxifloram 
(17) M. amplexicaule 
(18) M. coeruleum 
{19) M. malaccense 
(20) M. pauciflorum 
