Rhizophom.~\ LVII. RHIZOPHOREJJ. (G. HenslOw.) 435 



Anisophyllea) ; ovules usually 2 in each cell, pendulous. Fruit, coriaceous, 

 mostly indehiscent, 1-celled, 1-seeded. Seed pendulous, arillate or not ; albumen 

 fleshy or ; embryo inverted, small if surrounded by albumen, elongated if 

 exalbuminous ; radicle macropodous in the tribe Rhizophorece, perforating the 

 apex of the pericarp and germinating while the fruit still adheres to the tree. 

 DISTEIB. Tropical plants ; many sharing with an arboreal vegetation the muddy 

 shores of the estuaries of rivers. Genera 17, species about 50. 



TRIBE I. Rhizophoreae. Leaves opposite, stipulate. Ovary inferior ; 

 style single. Embryo exalbuminous, macropodous, germinating while the fruit 

 is still on the tree. 



Petals 4, entire. Stamens 8. Ovary 2-celled 1. EHIZOPHOBA. 



Petals 5-6, emarginate. Stamens 10-12. Ovary 3-celled . 2. CEEIOPS. 



Petals 5-6, lacerate. Stamens oo . Ovary 1-celled ... 3. KANDELIA. 



Petals 8-1 4, 2-fid. Stamens 16-28. Ovary 2-4-celled . . 4. BKTJGUIERA. 



TRIBE II. Legnotideeo. Leaves opposite, stipulate. Ovary half-infe- 

 rior or superior but adnate to the base of the calyx ; style single. Embryo im- 

 mersed in fleshy albumen. 



Calyx-tube minutely bracteolate, half-superior, lobes erect . 5. CARAIXIA. 

 Calyx-tube ebracteolate, half-superior, lobes reflexed . . . 6. PELLACALYX. 

 Calyx-tube ebracteolate, adnate to the base of the ovary ; cells 



of the ovary 4-ovuled 7. G-YNOTROCHES. 



Calyx-tube with connate bracteoles, adnate to the base of the 



ovary, lobes patent ; cells of the ovary 2-ovuled .... 8. WEIHEA. 

 Calyx-tube ebracteolate, adnate to the base of the ovary, lobes 



erect 9. BLEPHARISTEMMA. 



TRIBE III. Anisophylleae. Leaves alternate, exstipulate. Ovary infe- 

 rior ; styles 4. Embryo exalbuminous. 



Characters of the tribe ., . . , , , , . 10. ANISOPHYLLEA. 



1. B.KIZOPKORA, Linn. 



Trees. Branches marked by leaf-scars. Leaves ovate or elliptic, mucronate. 

 Flowers rather large, on axillary 2-3-chotomously divided and few-flowered 

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

 4, entire, inserted on a fleshy disk. Anthers subsessile, multi-locellate. Ovary 

 2-celled, half-inferior, projecting beyond the calyx as a fleshy cone ; cells 2-- 

 ovuled ; stigma bifid. Fruit coriaceous, ovoid or obconic, crowned with the 

 reflexed limb of the calyx. Radicle elongated, clavate, perforating the apex of 

 the fruit and descending from the tree into the mud. DISTRIB. About 5 spe- 

 cies : frequent on muddy tropical shores. 



1. Xfc. mucronata, Lam. Diet. iv. 169 ; III. t. 396, f. 2 ; peduncles arising 

 from the axils of leaves of the same year longer than the petioles about 3- 

 flowered, flowers pedicellate. Bedd. Fl. Sylv. Anal. Gen. t. xiii. fig. 4 ; Dalz. 

 $ Gibs. Bomb. Fl. 95; Wight III. i. 209; Ic. t. 238; Kurz For.. Ft. Brit. 

 Burm. i. 447. R. macrorrhiza, Griff, in Trans. Med. Phys. Soc. Calc. viii. 2. 

 R. candelaria, W. $ A. Prodr. i. 310 ; Wall. Cat. 4878. ' R. Mangle, Linn. ; 

 Roxb. Fl. 2nd. ii. 4&.Rheede Hort. Mai. vi. t. 34. 



FF 2 



