LIV. RHIZ0PH0RACE.2E (OLIVER). 407 



Anisophyllea) ; stigma simple or lobed. Fruit coriaceous, 1 -celled, 

 1-seeded, indehiscent, or 3-4-celled with 1-2 seeds in each cell, and 

 septicidally dehiscent. Seed albuminous or exalbuminous, in the latter 

 the cotyledons minute ; in JRhizophorea germinating in the still attached 

 fruit, the apex of which is perforated by the elongating pendulous 

 radicle. — Trees or shrubs mostly affecting littoral situations ; usually 

 glabrous. Leaves opposite, stipulate (alternate, exstipulate in Aniso- 

 phyllea). Flowers axillary, solitary, cymose or glomerate, sessile or 

 pedicellate, with or without sheathing bracteoles at base. 



A rather small Tropical Order, common to the shores of both hemispheres. Two 

 genera are peculiar to Alrica and its Islands ; one of these to Madagascar. 



Leaves opposite, stipulate. Ovary inferior or 4-inferior. Style 1. 

 Seed germinating in the pericarp, exalbuminous (Rhizo- 

 phorece). 

 Calyx 4-merou8. Petals entire. Anthers go -locellate, subsessile 1. Khizophora. 

 Calyx 5-6-merous. Petals truncate or bifid with apical setae. 



Anthers 2 -celled, filaments filiform 2. Ceriops. 



Calyx 8-14-merous. Petals bifid, with apical setae. Anthers 



2-celled, filaments filiform 3. Bruguiera. 



Leaves opposite, stipulate. Ovary superior (or inferior). Style 1. 

 Seed albuminous. 



Calyx 4-5-fid or -partite 4. Weihea. 



Calyx campanulate, 4-5-toothed 5. Dactylopetalum . 



Leaves alternate. Ovary inferior. Styles 4-3 {Anisophyllece) 6. Anisophyllea. 



1. RHIZOPHORA, Linn. ; Benth. et Hook. f. Gen Plant, i. 678. 



Flowers very coriaceous. Calyx-tube very short, sheathed by con- 

 fluent bracts, limb 4-partite, lobes lanceolate or oblong coriaceous val 

 vate. Petals 4, entire, margins not meeting in bud. Stamens 8 (-12), 

 perigynous ; filaments very short or ; anthers erect, elongate, trian- 

 gular in section, 2 inner faces multilocellate, pollen liberated by separa- 

 tion of a common indusium. Ovary inferior or nearly so, 2-celled; 

 ovules geminate pendulous ; style more or less thickened below, 2-den- 

 tate at stigmatic apex. Fruit coriaceous, ovoid or obconic, 1 -celled, 

 1-seeded. Seed exalbuminous ; cotyledons conferruminate ; germina- 

 tion taking place in the fruit, the radicle at length much exserted 

 (1 ft. or more), terete or nearly so, at length rooting in the mud. — 

 Trees ; extremities stout, marked with annular scars. Leaves oppo- 

 site, petiolate, entire, very coriaceous, glabrous. Stipules interpetiolar, 

 elongate, caducous. Cymes axillary, pedunculate, 2-3-chotomous, 

 few- or many-flowered. 



A small genus, common on intertropical shores. 



Leaves elliptical or obovate-elliptical, with a distinct mucro. Pe- 

 duncles few-flowered 1. R. mv.cronata. 



Leaves elliptical obtuse, not mucronate. Peduncles few-flowered . 2. R. Mangle. 



Leaves narrow-elliptical or oblanceolate. Peduncles many- 

 flowered 3. R. racemosa. 



1. R. mucronata, Lam. ; DC. Prod. iii. 32. Leaves elliptical or 

 obovate-elliptical, broadly pointed or obtuse, with a distinct apical 



