90 KEY TO PLANTS. 
(2) Leaves simple, entire or dentate. 187. 
187 (a) Style 1, simple. Ovules erect or ascend- 
ing. Celastrineae. 
(2) Style 1, cleft or divided, or styles several, 
Ovules pendulous or descending. 138. 
138 (a) Petals 5, bifid, a little exceeding the 
calyx. Styles 2-8, entire, free or par- 
tially united. Fruit drupaceous. Seeds 
exalbuminous. Flowers hermaphrodite 
or polygamous, rarely dicecious. Seg- 
ments of the calyx imbricate. Leaves 
alternate. Tropics. Chailletiaceae. 
(0) Petals usually scale-like or only 3-4, 
rarely 5 and a little exceeding the calyx, 
but then styles 3, bifid. Fruit capsular, 
rarely baccate or drupaceous, but with 
albuminous seeds. Flowers moncecious 
or dicecious, Leaves alternate. 
Euphorbiaceae. 
139 (a) Style 1, undivided. 140. 
(0) Styles 2-5, free or united at the base 
only. 145. 
140 (a) Leaves simple, entire or dentate. Stamens 
usually numerous. 141. 
(2) Leaves compound. Stamens 6-10. 144. 
141 (a) Sepals 3. Stamens inserted within a 
free cup-shaped disc. Leaves alternate. 
