Ovary 2 or incompletely 4-celled. 



Corolla contorted in the bud; leaves opposite. 



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



Loganiaceae 401 

 Carpels 2, more or less distinct, milky gap 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 eaeb cell; corolla 5-lobed, 



imbricate 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 c-slled, 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 Leguminosae 1 73 



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



Corolla monopetalous, ovary many-celled Aquifoliaceae 263 



Ovary 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 Xyloxiiui. 



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-celled; 



leaves opposite Guttiferae 309 



Sepals and petals pentamerous, the latter often cohering at the 



base; stamens indefinite, leaves alternate Theaceae 307 



Disc wanting, sepals valvate. 



Stamens indefinite, monadelphous; fruit capsular; seed usually 



reniform, flowers often showy Malvaceae 291 



Stamens indefinite, polyadelphous 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-celled 



and in fruit 4 lofced, or of a single carpel Rutaceae 192 



Disc annular, outside the stamens. 



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



sometimes wanting; ovary 3-celled Sapindaceae 26f) 



