122 XXYI. STEKCrLIACKy'E. 



Sepals val\ ate, more or less combined into a calyx. Petals 5, hypo- 

 gynous, free or connate at the base or 0. Stamens various ; filaments 

 (a), united into a column or tube, divided at the apex into 5 teeth or 

 ligulate lobes (staminodes), alternating with the petals, and bearing, in the 

 spaces between the staminodes, solitary or 2-5-nate (rarely indefinite), 

 stalked or subscssile anthers ; or (/>), staminodes 0, the column bearing 

 many anthers many-seriate from the middle to the top (Eriolcena), or 

 1-seriate at the top of the cup ; or (c), the anthers adnate to the top of 

 the column and arranged in a ring or without order (Stercidia) : or (d), 

 fertile stamens 5, almost if not entirely free and alternate with the sepals, 

 staminodes U or 5 opposite the sepals. Anthers 2-celled ; cells parallel 

 or diverging, rarely confluent at the top (Ilelicteres). Ovary free, 4-5- 

 (rarely 10-12-) celled or reduced to a single carpel ; ovules 2-many 

 (rarely 1), in each cell attached to the inner angle, ascending or hori- 

 zontal, anatropous or amphitropous ; raphe ventral or lateral ; micropyle 

 inferior ; styles as many as the cells of the ovary, distinct or more or 

 less connate. Fruit dry, rarely baccate ; carpels sometimes united into 

 a loculicidal or woody indehiscent capsule, sometimes dividing when 

 ripe into cocci, which are indehiscent or dehiscing by 2 valves or folli- 

 culately. Seeds not woolly, sometimes arillate ; albumen fleshy, thin, 

 or ; embryo straight or curved ; cotyledons foliaceous, flat, folded or 

 convolute, rarely ileshy ; radicle short, pointing in diiferent directions 

 in diff"erent species. — Disxrib. Throughout the tropical regions of both 

 hemispheres and in S. Al'rica and extratropical Australia ; genera 41 ; 

 species more than 500. 



Flowers unisexual or polygamous ; petals 0. 



Anthers 10 or more 1. Stercuma. 



Anthers .'i 2. Heuitiera. 



Flowers hermaphrodite ; petals present. 



Petals deciduous ; androeciura columnar below, dilated 

 into a cup above ; anthers on the margin of the cup, 

 usually alternating with staminodes. 



Capsule membranous, inflated 3. Kleiniiovia. 



Capsule woody, not inflated. 



Anther-cells divaricate ; seeds not winged . 4. Helictekes. 



Anther-cells ])arallel ; seeds winged 5. Pterospeu.mum. 



Petals deciduous ; androeciuin tubular, conical, antheri- 



ferous for nearly its whole length ; staminodes ... (>. Eiuol.ena. 

 Petals persistent; audra'ciuni tubular, anihei-ifcrous at 



the margin; anthers alternating with staminodes ... 7. Meliiania. 

 Petals niarcescent ; androoaium tubular at the base only ; 

 stamens 5, staminodes 0. 



Ovary .5-eelled 8. Mei.ochia. 



Ovary 1-celled i). Waltiieria. 



1. STERCULIA, Linn. 



Trees. Leaves undivided, lobed or digitate. Inflorescence paniculate 

 (rarely raceuiose), usually a.xillary. Mowers unisexual or polygamous. 

 Calyx 4-5-fid or partit-, usually colored. Petals 0. Staminal-colinnn 

 bearing at its apex 10-30 anthers arranged in a ring or without order. 

 Carpels of the ovary 5, subdistinci ; ovules 2-many in each carpel ; 

 styles connate at the base ; stigmas as many as the carpels, free, 

 radiating. Ripe carpels distinct, follicular, sessile or stalked, woody or 

 membranous. Seeds 1-many, naked or rarely winged, sometimes arillate; 



