POLYPETALAE. 101 
usually valvate in bud, Styles 2. Asia 
and Madagascar. Hamamelideae. 
(0) Leaves exstipulate. Seeds with a mem- 
branous testa and a copious albumen. 
Undershrubs or low heath-like shrubs. 
Leaves sessile or shortly petiolate. 
Flowers capitate or paniculate. Sepals 
and petals imbricate in bud. Styles 2. 
South Africa. Bruniaceae. 
177 (a) Petals 2-4 or in the female flowers 
wanting. Herbs or undershrubs. 
Flowers solitary, fascicled and axillary, 
spicate, racemose, or paniculate. Anthers 
basifixed. Testa membranous. 
Halorageae. 
(0) Petals 5 or more, rarely 4, but then 
shrubs or trees. 178. 
178 (2) Fruit baccate or drupaceous.  JDise 
usually entire. Anthers  dorsifixed. 
Seeds with a membranous testa 
and a copious albumen. 
Araliaceae. 
(6) Fruit separating into two nuts. Disc 
bilobed. Flowers umbellate or capitate. 
Petals 5. Stamens 5. Styles 2. Seeds 
with a membranous testa and a copious 
albumen. Umbelliferae. 
