238 TOO. BRUNIACEAE — lOI. HAMAMELIDACEAE — 102. PLATANACEAE 



Sepals free above the ovary, linear. Petals strap-shaped, with a long claw 

 bearing two tubercles in the upper part. Styles more or less cohering, 

 long, almost straight. Bracts narrow, longer than the flowers. Bract- 

 eoles spatulate or sickle-shaped. — Species 5. South Africa. {Berardia 

 Brongn.) Diberara Baill. 



FAMILY 101. HAMAMELIDACEAE 



Trees or shrubs. Leaves undivided, stipulate. Flowers in heads or head- 

 like spikes, 4 — 5-merous. Petals narrow, sometimes wanting in the female 

 flowers. Fertile stamens as many as and alternating with the petals, some- 

 times accompanied by staminodes. Filaments free. Anthers opening by 

 lateral slits or by valves. Ovary 2-celled. Ovules i in each cell, pendulous, 

 inverted. Styles 2, free. Fruit capsular. Seeds with a straight embryo and 

 thin albumen. — Genera 3, species 20. Tropical and South Africa. (Plate 



64.) 



1. Flowers unisexual, rarely polygamous, 5-merous. Staminodes none. 



An+hers ovoid, opening by valves. Shrubs. Stipules short and narrow. 

 Flowers in many-flowered heads. — Species 3. South and East Africa. 



(Plate 64.) Trichocladus Pers. 



Flowers hermaphrodite, usually 4-merous. Sepals short. Ovary inferior 

 or almost so 2 



2. Staminodes none. Anthers opening by longitudinal slits. Trees. Flowers 



in many -flowered heads, 4-merous. — Species i. Madagascar. 



Franchetia Baill. 



Staminodes as many as and alternate with the stamens. Anthers oblong. 



Shrubs. Stipules long and broad. Flowers in 3 — 8-flowered head-Uke 



spikes. — Species 15. Madagascar and Comoio Islands. Some species 



yield timber and medicaments Dicoryphe Thouars 



SUBORDER ROSINEAE 

 FAMILY 102. PLATANACEAE 



Trees. Leaves alternate, palmately lobed ; stipules connate. Flowers on a 

 thickened receptacle in spicately arranged globose heads, monoecious Sepals 

 3 — 8, free, hairy. Petalsfhe same number, nearly hypogynous. Stamensasmany 

 as and alternating with the petals ; connective peltate ; anthers opening in- 

 wards or laterally by longitudinal slits. Carpels the same number, free. 

 Ovules solitary, pendulous, straight. Fruit consisting of achenes densely 

 crowded in a head. Seed with scanty albumen ; cotyledons linear. 



Genus i, species 2. Cultivated in North Africa as avenue-trees. They also 

 yield timber. " Plane." Platanus L. 



