176. LECYTHIDACEAE — I77. RHIZOPHORACEAE 387 



Ovary 2 — 4-cellecl. Style long ; stigma i, entire or 2 — 4-lobed. Seeds 

 I — 4. Flowers in racemes. Leaves clustered. [Subfamily PLAN- 

 CHONIOIDEAE.] 3 



.3. Ovary long, winged. Ovules inserted along the inner angle of the cells or 

 in the middle of the partitions. Fruit a nut. Embryo with distinct 

 cotyledons. Bracteoles in the middle of t\\v long pedicels. — Species 2. 



West Africa Petersia Welw. 



Ovary short, ovate. ()\ules suspended from the apex of tlie inner angle 

 of the cells. Fruit a one-seeded drupe. Embrj'o undivided. Bract- 

 eoles at the base of the pedicels. — Species 5. Madagascar and neigh- 

 bouring islands. East and vSouth-east Africa. They yield timber, 

 tanning bark, vegetables, oil, fish-poison, and medicaments, and serve 

 also as ornamental plants. (Plate iii.) . . . Barringtonia Forst. 



FAMILY 177. RHIZOPHORACEAE 



Trees or shrubs. Leaves undi\ided. Flowers regular, hermaphrodite or 

 polygamous. Sepals valvate in bud. Petals free, induplicate-valvate in 

 T3ud, usually lobed or fringed. Stamens perigynous or epigynous, twice as many 

 as the petals or more, rarely [AnisophyUea) some of them barren. Anthers 

 ■opening inwards by longitudinal slits. Ovary completely or incompletely 

 2 — 6-celled. Ovules i — 2 in the inner angle of each cell, pendulous, inverted. 

 :Seeds usually germinating in the still attached fruit. — Genera 10, species 45. 

 Tropical and South Africa. (Plate 112.) 



1. Styles 3 — 4. Ovar)- inferior, with i ovule in each cell. Stamens 6 — 8, 



several of them sometimes barren. Flowers 3 — 4-merous, polygamous. 

 Fruit a drupe. Seeds exalbuminous. Leaves alternate, exstipulate. 



[Subfamily ANISOPHYLLOIDEAE.] 2 



StN'le I. Ovary with 2 ovules in each cell. Fruit a berry or a capsule. 

 Seeds albuminous. Leaves opposite or whorled, stipulate. [Subfamilj- 

 RHIZOPHOROIDEAE.] 3 



2. Flowers in fcw-Howered spikes or rac^'Uies. Fruit i-seeded. — Species 7. 



Tropics. They vield timber and edible fruits. AnisophyUea R. Br. 



Flowers in spikes arranged in racemes. Style ovate. Fruit 2- — 4-seeded. — 



Species i. Equatorial West Africa (Gaboon). Yields edible, oily seeds. 



Poga Pierre 



3. Ovary inferior or half-inferior. Placentas usually passing into the style. 



Ovules without appendages. Petals yellow, brown, red, or greenish. 

 Stamens twice as many as the petals. [Tribe GYNOTROCHEAE.] 4 

 Ovary superior or nearly so. Placentas not reaching to the base of the 

 style. Ovules with appendages. Petals 4 — 6, toothed or split, usually 

 white. [Tribe MACARISIEAE.] 7 



4. Ovary inferior. Receptacle (flower-tube) deeply concave, bell- or funnel- 



shaped, distinctly prolonged above the o\'arv. Petals 5 — 14. Calyx 

 crowning the fruit. . . 5 



