158 Flora of the Malayan Peninsula. 
the fruit ; if more than one compressed, ellipsoid ; hilum conspicuous ; 
testa usually crustaceous, shining ; embryo straight, exalbuminous with 
fleshy cotyledons, or albuminous with flat cotyledons ; radicle inferior, 
usually small. — D istrib. About 320 species, in 
the whole world, genera about 24. 
the tropical regions of 
Calyx-lobes 1-seriate, imbricate ; stamens 5 to G : — • 
Staminodes none 
Staminodes present : — 
. . 1. Chrysophyllum. 
Flowers sessile or in panicles 
. . 2. Sarcosperma. 
Flowers in axillary fascicles 
Calyx-lobes 2-seriate, outer series valvate : — 
. . 3. SlDEROXYLON. 
Calyx segments 4 : — 
Seeds albuminous : — 
Stamens 8 
. . 4. ISONANDRA. 
Stamens 12 or more 
. . 5. Payena. 
Seeds exalbuminous, stamens 12 or more 
Calyx segments 6 to 8 : — 
6. Bassia. 
Staminodes none, seeds exalbuminous 
. . 7. Palaquium. 
Staminodes present, seeds albuminous . . 
. . 8. Mimcsops. 
1. Chrysophyllum, Linn. 
Trees with milky juice. Leaves coriaceous, glabrous or pubescent 
on the under- surface, main-nerves usually very many, thin ; stipules 
none. Flowers small, in axillary fascicles, usually hermaphrodite. 
Calyx 5-7-lobed ; lobes subequal, imbricate. Corolla tubular-cam- 
panulate or sub-rotate, 5-7-lobed ; lobes imbricate, entire. Stamens 
equal in number with, and opposite to, the corolla-lobes, attached 
to the tube or the base of the lobes ; filaments subulate or filiform ; 
anthers ovate or triangular, extrorse or laterally dehiscing ; staminodes 
none. Ovary villous, 5-, rarely 6-7-celled, style glabrous ; ovules one 
in each cell, attached to the central placenta. Fruit a fleshy or 
coriaceous berry, globose, 5-celled or less by abortion. Seeds large ; 
testa very hard, dull or shining ; hilum conspicuous ; embryo as large 
as the seed, erect, cotyledons flat in fleshy albumen, radicle inferior. 
Distrib. About 60 species, chiefly tropical American, a few only in 
Asia, Africa and Australia. 
Chrysophyllum Roxburghii, G. Don Gen. Syst. IV. 33 (1837). 
A slender, erect tree reaching 40 to 60 ft. in height, evergreen ; branches 
horizontal; bark smooth, grey; young branchlets and innovations 
ferruginous-pubescent. Leaves coriaceous, glabrous, alternate ; oblong- 
lanceolate, suddenly caudate-acuminate at the apex which is some- 
times obtuse, cuneate at base and unequal, undulate on the margins ; 
3 to 6 in. long, 1-25-2 in. broad; midrib slender, prominent 
