SAXIFRAGACEJE. 447 



erect racemes ; bracts glandular-serrate (Mountainous Tasmania). 

 See p. 373. 



68. Geissois Labill. — Flowers apetalous, 4, 5-merous ; sepals 

 hirsute within, valvate, deciduous. Stamens 8-10, 2-seriate, or 

 15-25; filaments elongated free, inserted in base of thin hypogynous 

 disk ; anthers 2-dymous. Grermen free, 1 -celled ; placentas 2, 

 parietal ; oo -ovulate ; branches of style 2, simple at stigmatose 

 apex. Capsule coriaceous, elongated or subclavate, septicidally 

 2-valved. Seeds co , ascending imbricate oblong ; testa membranous, 

 winged above ; cotyledons of albuminous embryo subfoliaceous. — 

 Trees ; leaves opposite petiolate, digitately 3-5-foliolate ; leaflets 

 coriaceous, entire or serrate ; stipules large membranous ; flowers in 

 simple lateral racemes (Australia, New Caledonia, Fiji Is. and neigh- 

 bourhood). See p. 374. 



C9. liamanonia Velloz. — Flowers nearly of Geissois ; sepals 5, G, 

 valvate, inserted in short receptacle. Stamens go , free, inserted 

 under edge of thin disk; 5, G, oppositisepalous, larger; interposed oo , 

 lesser ; anthers introrse, 2 -celled, finally versatile, 2-rimose. Germ en 

 free ; styles 2, free divergent, stigmatose at minutely capitate apex ; 

 placentas 2, parietal, oo -ovulate. Capsule oblong woody, septicidally 

 2-valved ; valves 2-fid. Seeds go , imbricate, complanate, gibbous 

 at base ; external integument produced upwards to a membranous 

 wing ; albumen fleshy ; embryo axile. — Trees ; leaves opposite, digit- 

 ate, 3-5-foliolate ; stipules large membranous ; flowers in axillary 

 racemes (South Brazil). See p. 374. 



70? Gumillea E. & Pav. — "Calyx campanulate, semi-5-fid ; 

 laciniaj erect-patent. Stamens 5, inserted in bottom of calyx; 

 anthers subglobose. Grermen free, 2-celled ; styles 2, short subulate 

 diverging. Capsule 2-beaked ; seeds co , minute subrotund. — An 

 erect branching shrub ; branches terete patulous tender-hirsute ; 

 leaves alternate imparipinnate ; leaflets entire glabrous ; stipules 

 large leafy subreniform reflexed ; flowers in terminal elongated 

 hirsute pendulous subspicate racemes" (Peruvia). See p. 374. 



71. Ceratopetalum Sm. — Flowers hermaphrodite; receptacle con- 



