OF THE DIPTEROCARPACEZ., 3 
2 wings; appendix of connective long, 
pointed ; as a rule a large stylopodium. 5. Hopea. 
3 wings; anthers with 5 pointed append- 
ages ...... cece cece enne 6. Pentacme. 
3 wings ; appendix of connective as a rule 
long, pointed ; stamens generally 15, 
sometimes more. Cotyledons thick, 
fleshy, folded in two along the midrib, 
or radicle lying between the 4 pris- 
matic lobes of the cotyledons........ 7. Shorea. 
5 wings; calyx in bud nearly valvate ; 
anthers with 3 short appendages...... 8. Parashorea. 
Lobes of fruiting-calyx shorter than fruit, 
round, unequal; stamens 30-36; ap- 
pendix of connective ciliate; large 
stylopodium ...................... 9. Isoptera. 
Lobes of fruiting-calyx equal, slightly en- 
larged, thick, and sometimes woody. 
Stamens 10 or 15; connective append- 
age long, pointed. Stylopodium dis- 
tinet in most species .............. 10. Balanocarpus. 
IV. VaTICE4.—Calyx valvate in bud; lobes generally equal in fruit, 
and not longer than fruit; in some cases 2 wings. Stamens 15. 
Anthers mostly short, oval. Appendage of connective short, generally 
obtuse. No prominent stylopodium. 
2 wings; anthers oblong, hairy ; appendix 
of connective pointed; cotyledons at 
the apex divided into numerous lobes.. 11. Cotylelobium. 
Lobes of fruiting-calyx equal; 2 wings in 
some cases; anthers short, oval, gla- 
brous; appendage obtuse .......... 12. Vatica. 
Calyx connate with fruit; lobes equal; 
anthers of Vatica............ ee 13. Pachynocarpus. 
V. VATERIE4E.—Calyx imbricate in bud. Lobes of fruiting-calyx equal 
and shorter than fruit. Stamens 5, 15, or œ. Anthers linear- 
oblong, sessile or on short filaments. No stylopodium. 
Anthers open at top, appendix short. Sta- 
mens 15; ovary 3-celled .......... 14. Stemonoporus. 
eelled............................ 15. Monoporandra. 
Anthers open laterally ; 1 or 2 appendages. 
Stamens © ................... ... 16. Vateria. 
B2 
