312 Materials for a Flora of the Malayan Peninsula. 



Calyx 5- or fi-lobed ; jietals 5 or 6, their apices ciliate or 



with clavate or capitate bristles ; stamens 10-12 • ... 3. Ceriops, 



Calyx 5- or 6-lobed ; petals 5 or G, multifid ; stamens 



indefinite ; stigma 3-lobed .. ... ... 4. Kandelu. 



I'ribe II. LeGnotidezE. Embryo immersed in fleshy al- 

 bumen, radicle not unusually large and not germinating 

 in the fruit : — 



Flowers S-S-merous in trichotomous cymes ; calyx- 

 tube minutely bi-acteolate, half- superior, the calyx-lobes 

 erect; stigma small, not lobed ... ... ... 5. CaralliA. 



Flowers 5-merous, axillary, solitary or in pairs ; calyx 

 ebracteolate, half-superior, its lobes reflexed ; stigma 

 discoid, 5-10-lobed . .,. ... ... 6. Pellacalyx. 



Flowers 4-5-merous, in axillary fascicles ; calyx-tube 

 ebracteolate, adnate to the base of the ovary, its lobes 

 reflexed; stigma discoid, 5-lobed ... ... 7. Gynotroches, 



Leaves alternate, exstipulate ; style distinct : — 



Tribe III. AnisoPhylle^. Leaves alternate and exsti- 

 pulate ; flowers unisexual ; styles distinct ... ... 8. Anisophyllea. 



1. Rhizophoea, Litm. 



Trees. Branches marked by leaf-scars. Leaves coriaceous, glabrous, 

 opposite, mucronate. Stipules large, in pairs, interpefciolar, caducous. 

 Floioers rather large, on axillary 2-3-cliotomously- divided and few* 

 flowered cymes. Calyx 4-lobed, surrounded at the base by connate 

 bracteoles. Petals 4i, entire, inserted on a fleshy disc. Anthers. 8, sub- 

 sessile, multi-loculate. Ovary 2-celled, half -inferior, projecting beyond 

 the calyx as a fleshy cone ; cells 2-ovuled ; stigma bifid. Fruit coria- 

 ceous, ovoid or obconic, with the reflexed persistent calyx-teeth at its 

 base. Badicle elongated, perforating the apex of the fruit and des- 

 cending from the tree into the mud. — Distrib. About 5 species; fre- 

 quent on muddy tropical shores. 



Leaves elliptic ; cymes longer than the petioles, usually 3- 



flowered; petals fleshy, lanate in front ... ... 1. B. mucronata. 



Leaves oblong to oblong-lanceolate ; cymes shorter than the 



petioles, 2-flowered ; petals thin, glabrous ... ... 2. R. covjiignta. 



1. Rhizophora. mucronata, Lamk. Diet. VI, 160, t. 396, f. 2. A 

 laro-e evergreen glabrous shrub or tree ; young branches thick, with 

 bold cicatrices, rather pale. Leaves elliptic, tapering to each end, the 

 apex mucronate ; upper surface reticulate when dry, the main nerves 

 faint and depressed ; the lower surface minutely rugulose and with 

 black dots, even when dry the nerves invisible ; length 5-7 in., breadth 

 2-5-4-25 in., petiole 1-2-1-75 in. Cymes axillary, slightly longer than 

 the petioles, usually 3- rarely 2-flowered. Floivers h-Q in. long, their 

 pedicels shorter. Calyx-lobes coriaceous, triangular, subacute, glabrous. 



312 



