Ovary 2 or incompletely 4-eelled. 



Corolla contorted in tlie bud; leaves opposite. 



Capsule 2 or 3-celledj with axile placentas, leaves stipulate. 



Loganiaceae 401 



Carpels 2, more or less distinct, milky sap present. 



Apocynaceae 407 

 Corolla not contorted, leaves generally alternate. 



Ovary 2-celled with 1-3 ovules in each cell; corolla colored, 



4-lobed, imbricate Oleaceae 397 



Ovary 2-celled, with many ovules in each cell; corolla 



plaited or imbricate, 5-4 lobed Solanaceae 417 



Ovary 4-celled, with 1 ovule in each cell; corolla 5-lobed, 



inibricate Borraginaceae 414 



Corolla perigynous, bearing the stamens, irregular. 



Ovary 2-10 celled, one ovule in each cell; corolla 5-7 lobed, as many 

 as stamens Myoporaceae 425 



III. Petals free. Stamens perigynous or epigynous. 



Disc conspicuous, perigynous or hypogynous; flowers small, regular. 



Stamens alternate with petals; ovary 2-5 csUed, with 2 or rarely 



1 ovule in each cell Celastraceae 267 



Stamens opposite the small petals; ovary free 2-4-celled with a single 



erect ovule in each cell Rhamnaceae 281 



Stamens alternate with the petals, or twice as many, ovary superior 

 1-5 celled, fruit usually a one-celled drup<»; leaves pinnate. 



Anacardiaceae 262 

 Carpels free, or connate only at the base. 



Flowers irregular and imbricate or regular and valvate; fruit a 



2-valved pod Legvuninosae 173 



Ovary syncarpous, superior, with axile placentas, ovules 1 or few in each cell. 



Corolla monopetalous, ovary many-celled Aquifoliaceae 263 



Ovarjr syncarpous, with axile placentas and many seeds on each placenta. 

 Ovary inferior, stamens indefinite; calyx-lobes imbricate. 



Myrtaceae 319 



Ovary syncarpous with parietal placentas and many ovules on each of 

 the latter. 



Ovary partly adnate to calyx, 2-5-celled; leaves opposite. 



Saxifragaceae 151 

 Ovary inferior with an epigynous disc, 2- to several celled, with a 

 single ovule in each cell. 



Calyx adnate to ovary, the latter 2 to many celled, with one ovule 



in each cell; leaves compound Araliaceae 336 



IV. Petals free from the calyx and from each other, wanting in Xylosnia. 



Ovary syncarpous, placentas parietal. 



Petals as many as sepals or none, stamens indefinite... Flacourtiaceae 311 

 Sepals, petals and stamens isomerous, 5 each; fruit a two to four- 



valved woody capsule Pittosporaceae 153 



Ovary syncarpous, placentas axile. 

 Disc wanting, sepals imbricate. 



Sepals and petals tetramerous, stamens indefinite; ovary 1-eelled; 



leaves opposite Gattif erae 309 



Sepals and petals pentamerous, the latter often cohering at the 



base; stamens indefinite, leaves alternate Theaceae 307 



Disc wanting, sepals valvate. 



Stamens indefinite, nionadelphous; fruit capsular; seed usually 



renif orm, flowers often showy Malvaceae 291 



Stamens indefinite, polj'adelphous Elaeocarpaceae 287 



Disc annular, inside the stamens. 



Leaves entire and opposite or imparipinnate and alternate; 

 stamens as many or twice as many as petals; ovary 4-eelled 



and in fruit 4 lobed, or of a single carpel Kutaceae 192 



Disc annular, outside the stamens. 



Leaves entire, impari-pinnate or dissected, alternate; petals 



sometimes wanting; ovary 3-celled Sapindaceae 269 



