1875.] of the Burmese Flora. 151 



2. Ch. macropetala, Turcz. in Bull. Mosc. 1863. 611. (longipetala) ; 

 Hf. Ind. Fl. I. 571. 



Hab. Tenasserim, Mergui. 



3. Ch. Heleeriana, Kurz in Journ. As. Soc. Beng. 1872. 297 ; Hf. 

 Ind. Fl. I. 570. 



Hab. Tenasserim, Tavoy, Moulrnein, etc. 



OLACINEM. 



Conspectus of species. 

 Siibord. I. OiACEiE. Stamens as many or twice as many (rarely fewer) as 



petals and opposite to them. 

 Trib. I. EU-OIACEJE. Stamens anisomerous, or isomerous. Ovary 2 — 5-celled at 

 the "base, 1 -celled at the apex or completely 1 -celled, the placenta central with 2 — 5 

 pendulons ovules. 



* Stamens twice as many as petals, or if fewer, accompanied by staminodes. 

 Ximenia. Calyx not enlarging- after flowering. Stamens all perfect. 



Olax. Calyx enlarging and enclosing the fruit. Perfect stamens 3, rarely 5 ; stami- 

 nodes 6 or fewer. 



* * Stamens as many as petals. Staminodes none. 



x Fruiting calyx much enlarged, adnate to the drupe. 

 Erythropalum. Ovary 1 -celled. Tendril-bearing climbers with 3-nerved leaves. 

 Strombosia. Ovary to near the summit 3 — 5-celled. Trees with penninerved leaves. 



x x Calyx in fruit unchanged. 

 Anacolosa. Disk in fruit much enlarged, adnate to the drupe and resembling an en- 

 grossed actuate calyx. Petals almost. Ovary 1 or imperfectly 2-celled. 

 Trib. II. OPILIEJE. Stamens isomerous. Ovary 1 -celled with a single ovule. Flow- 

 ers hermaphrodite. 



* Perianth dichlamydeous, i. e. consisting of calyx and corolla. 



Cansjera. Spikes axillary, without bracts. Calyx inconspicuous, shortly 4-lobed ; corolla 

 gamopefalous. Stamens 4, alternating with as many hypogynous scales or glands. 



Natsiatopsis. Spikes axillary, without conspicuous bracts. Calyx 4-lobed. Corolla 

 gamopetalous. Stamens 4, free. Staminodes none. 



Opllia. Inflorescence while young conspicuously imbricate-bracted. Petals free. 

 Filaments filiform. Staminodes 5. 



* * Perianth monochlamydeoiis. 



Lepionttrtjs. Inflorescence while young conspicuously imbricate-bracted. Flowers 



4-merous. Filaments very short, complanate. 

 Cbampereta. Inflorescence with very deciduous minute bracts. Flowers 5-merous. 



Filaments slender, exserted. 



Suoord. II. IcACiNEiE. Stamens as many as petals and alternating with 



Trib. III. ETT-ICACINE2E. Cotyledons small or dilated. Trees or erect shrubs. 



* Calyx minutely toothed or lobed. Petals usually glabrous. 

 Stemoisturus. Anthers pendulous. Drupe without fleshy appendage. 

 Apodytes. Anthers attached at the back above the 2-lobed base. Ovary oblique. 

 Drupe with a fleshy puffy sarcocarp covering only the one half of the nut. 



