440 NATURAL HIS TOBY OF PLANTS. 



ceous; flowers in terminal racemes; bracts leafy deciduous {Moun- 

 tainous Australia, Tasmania). See p. 357. 



50. Ixerba A. Cunn. — Mowers hermaphrodite; receptacle sub- 

 convex. Sepals 5, connate at very base, imbricate, patent, deciduous. 

 Petals as many alternate free, imbricate. Stamens 5, alternipetalous ; 

 filaments free; anthers introrse, 2-celled, longitudinally rimose, 

 versatile. Germen free, surrounded at base by a 5-lobed disk 

 between stamens, 5 -ribbed ; style subulate, 5 -furrowed, twisted, 

 stigmatose at tapering apex; cells of ovary 5, oppositipetalous, 

 2-ovulate. Ovule collaterally descending subanatropous ; micropyle 

 introrse superior. Capsule thickly coriaceous, 5-celled, loculicidally 

 dehiscent to valves through 5-partible style; cells 1, 2-seeded. Seeds 

 descending half-anatropous ; hilum linear-elongated arillate ; embryo 

 and albumen fleshy ; cotyledons elliptical oblong amygdaloid ; radicle 

 short superior. — A glabrous tree ; leaves alternate opposite and sub- 

 verticillate, linear-elongated, glandular-serrate petiolate exstipulate, 

 evergreen; flowers in short axillary cymes {New Zealand). See 

 p. 358. 



51. Boussea Sm. — Receptacle shortly and broadly obconical. 

 Sepals 4, 5, equal or unequal, valvate, persistent, afterwards renexed. 

 Petals as many inserted with alternate sepals in edge of receptacle, 

 united into a campanulate corolla, villous outside, valvate, afterwards 

 renexed or revolute at apex. Stamens 4, 5, inserted between 4, 5 

 arcuate lobes of disk confluent with base of germen ; filaments thick 

 erect ; anthers oblong-sagittate extrorse. Germen almost wholly 

 superior, 4-7 -gonous-p}Tamidate; style thick erect; apex subglobose, 

 4-7-lobed stigmatose ; cells 4-7 oppositipetalous, ovules go , co -seriate 

 on thick placentas. Berry ovate-pyramidate subexsuccous,4-7-gonous; 

 septa rather fleshy. Seeds go , nestling in pulp ; albumen fleshy, 

 embryo small axile. — A glabrous climbing shrub ; small branches 

 terete thick ; leaves opposite and verticillate, petiolate, ovate or 

 oblong, glandular-serrate coriaceous, exstipulate; flowers axillary 

 solitary or few, bursting from bracteate buds, nutant {Mascarene Is.). 

 See p. 358. 



5:2. Abrophyllum Hook, f. — Mowers 5-6-merous ; receptacle 



