1S97.] G. King — Materials for a Flora of the Malayan Peninsula. 277 



1. P. costatum. 



lobes 5, thick, subequal, imbricate. Petals 5, sessile or clawed, decidu- 

 ous. Stamens 6-30, the filaments united into an incomplete ring at 

 the base, or connate into an unilateral bundle, all perfect or some with- 

 out anthers. Carpel ], adnate to one side of the calyx-tube, 2-celled, 

 rarely 2-seeded ; style basal, filiform ; ovules 2 collateral, or 1 erect. 

 Drupe spherical, oblong, obovoid or ovoid, with a 1-2-celled, 1-2-seeded, 

 woody or bony or rarely coriaceous pericarp. Seeds erect, testa mem- 

 branous, cotyledons large fleshy, radicle small inferior. Distrib. About 

 50 species, natives of the tropics of both worlds. 



Calyx-tube villous inside. Fruit 2-celled, more than '5 in. 

 long ; the pericarp woody, bony or crustaceous. 



Leaves rusty-grey or dirty white beneath, with numerous 

 spreading parallel stout nerves ; stamens 8-10, not 

 united in a phalange. 



Leaves with 10-12 pairs of main nerves, rusty- 

 pubescent beneath ... 



Leaves with 15-18 pairs of main nerves, pale, areo- 

 late and puberulous beneath 



Leaves with 25-30 pairs of main nerves, pale, ob- 

 liquely areolar and puberulous on the nerves beneath... 

 Leaves glabrous beneath or with only a few strigose hairs 

 on the midrib near its base ; main nerves 10-16 pairs, 

 always spreading. 



Flowers in spikes, sessile, solitary. 



Stamens about 10 ; fruit about 1 in. in diam. 

 Stamens 12-16; fruit several inches in diam. 

 Flowers in racemes or panicles. 



Leaves subsessile with broad bases ; main nerves 

 12-14 pairs ; fruit ovoid, not compressed 

 Leaves distinctly petiolate. 



Leaves oblong-lanceolate, narrowed at the base j 

 stamens 10 



Leaves elliptic- oblong, broad at the base ; stamens 

 12-16 

 Leaves quite glabrous on both surfaces ; main nerves 5-7 

 (rarely 10) pairs, obliquely ascending, never spreading. 

 Flowers straight ; petals subequal. 



Main nerves of leaves 6 or 7 pairs ; fruit covered 

 with crustaceous scurf, its cells glabrous inside 

 Main nerves 7-10 pairs; fruit quite glabrous, its 

 cells sericeous inside ... ... ... 10. 



Flowers much curved; sepals and petals very unequal 11. 

 Calyx-tube glabrous and lined by the glabrous staminal 

 tube; fruit less than '5 in. long, quite glabrous ; the pericarp 

 thin, leathery... ... ... ... ... 12. 



1. Parinarium costatum, Blume Mel. Bot. (1855) Pt. J. A small 

 tree; young brauches slender, deciduously puberulous, the bark pale 



2. 



3. 



P. polyneurum. 

 P. oblong i folium: 



P. spicatum. 

 P. Maingayi. 



6. P. elatum. 



7. P. asperulum. 



8. P. scabrum. 



9. P. Kunstleri. 



P. Griffithianum. 

 P. heteropetalum. 



P. ? nitidum. 



