58 
parallel or divergent. Ovaries 2 to 5, free, rarely 1, sessile or stalked ; 
styles slightly united and becoming free or slightly coherent, as many as 
the ovaries. Ovules many or few, attached to the inner angles of 
the ovaries, anatropous, ascending or horizontal, raphe ventral or lateral. 
Fruit dry or fleshy, dehiscent or indehisccut. Seeds sometimes arillate, 
albuminous or exalbuminous : cotyledons leafy, flat, folded or con- 
volute ; radicle short, inferior, pointing towards, or remote from the 
bilum. Ditjtrib. Abundant in the tropics of either hemisphere and in 
subtropical Africa aud Australia. Genera 40—45 ; species from 500 to 
600. 
Tribe I. StercuUece. Flowers unisexual or poly- 
gamous. Petals 0. Andrcecimn columnar; 
the anthers clustered at its apex ; or in a 
1 -seriate ring. 
Anthers numerous. 
Ovary with 2 or more ovules in each 
cell ; fruit dehiscent ,,. ... 1, Sterculia. 
Ovarian cells 1-ovuled ; fruit indehisoent 2. Tarrietia, 
\ Anthers 5, wborled ; fruit indehiscent. 
3. Heritiera. 
Tribe II. Uelicterece. Flowers hermaphrodite. 
Petals deciduous. Andrmcium columnar be- 
low, dilated above into a cup, margin bear- 
ing on it the anthers usually alternating 
with staniinodes. 
Capsule membranous, inflated... ... 
Capsule more or less woody, not inflatod. 
Anther-cells divaricate ; seeds not winged 
Anther-cells parallel ; seeds winged ... 
Tribe III. Hermanniece. Floivers hermaphrodite. 
Petals rnarcescent, flat. Andrmcium tubular 
at the base only ; stamens 5, starninodes 0. 
Ovary 5-cellcd 
Ovary 1-celled, 1-seeded 
Tribe IV, Bxiettnerim. Petals concave or ungui- 
cnlate at the base; filaments in a tube with 
the anthers at its apex, solitary or in groups 
between starninodes. 
Stamens in a single series. 
Stamens iu groups between the starninodes ; 
Petals unguiculato 
4. Kleinhovia. 
5. Helicteres. 
6. Pterospermiton. 
7. 
8. 
Melochia. 
Waltheria. 
9. Abrovia* 
167 
