30 CHORIPETALAE 



320. Style I, undivided, or 2 or more styles united to the base of the stigmas, 



or I sessile stigma 321 



Styles 2 or more, free or united below, but not up to the base of the stigmas, 



or 2 or more free sessile stigmas 371 



321. Stamens as many as or fewer than the petals 322 



Stamens more than the petals 339 



322. Stamens as many as and opposite to the petals 323 



Stamens as many as and alternate with the petals, or fewer. . . . 325 



323. Stamens 10. Ovary lo-celled. Herbs. Leaves opposite. 



Augea, 113. Zygophyliaceae. 

 Stamens 3 — 7. Leaves alternate 324 



324. Petals with valvate aestivation. Filaments free. Ovary 2-celled. Fruit 



a berry 138. Vitaceae. 



Petals with imbricate-contorted aestivation. Filaments more or less 

 united. Ovary 3- or more-celled. Fruit a capsule. 144. Sterculiaceae. 



325. Stamens 2 — 4 326 



Stamens 5 333 



326. Sepals 2 — 4. Petals 3 — 4 327 



Sepals 5. Petals 2 — 5 332 



327. Leaves marked with glandular dots, at least at the edges. Stipules 



wanting 328 



Leaves without glandular dots 329 



328. Leaves simple, undivided. Flowers hermaphrodite. Disc cushion- 



shaped. Stigmas 3. Fruit separating into 3 drupe-like, 2-celled meri- 

 carps. Seeds with curved embryo. Chamaelea, 114. Cneoraceae. 



Leaves compound, more rarely simple, but then fruit not drupe-like. 



115. Rutaceae. 



329. Leaves stipulate. Ovules usually erect. Corolla imbricate in bud. 



Shrubs or trees 330 



Leaves exstipulate. Ovules usually pendulous. Ovary 2-celled or 

 transversally septate. Flowers hermaphrodite. 331 



330. Disc present 129. Celastraceae. 



Disc wanting. Flowers unisexual. Ovary 2-celled. 



Azima, 131. Salvadoraceae. 



331. Leaves opposite. Petals valvate in bud. Receptacle without glands. 



Shrubs or trees 197. Oleaceae. 



Leaves alternate. Petals imbricate in bud. Receptacle provided with 

 glands. Herbs or undershrubs, rarely shrubs. . . 88. Cruciferae. 



332. (326.) Anthers opening outwards. Stamens 3. Disc present. Ovary 



3-celled. Seeds exalbuminous 130. Hippocrateaceae. 



Anthers opening inwards. Disc reduced to separate glands or wholly 

 wanting. Ovary 5-celled. Stigmas 5. Seeds albuminous. 



107. Geraniaceae. 



