Leaves exstipulate. Stem woody. Flowers regular. Placentas 2, rarely 3-5. _Pittosporum_, =97. Pittosporaceae=. 257. (249.) Sepals and petals together 6 (2 sepals and 4 petals), rarely 9 (3 sepals and 6 petals). Stamens 6 or many. Stem herbaceous. Leaves more or less deeply divided. =86. Papaveraceae.= Sepals and petals together 7, 8, 10, or more, rarely 9, but then stem woody and leaves undivided. 258 258. Sepals and petals together 9; sepals 3, small; petals 6, unequal. Stamens numerous, inserted upon an elevated receptacle. Ovules scattered over the inner wall of the ovary. Stigma sessile or nearly so. Albumen ruminate. Trees. Leaves undivided. Flowers hermaphrodite. _Monodora_, =81. Anonaceae=. Sepals and petals together 7, 8, 10, or more, rarely (_Flacourtiaceae_) 9, but then ovules attached to 2-10 placentas and either style distinctly developed or stamens 5-15. 259 259. Perianth of 4 sepals and 4 petals, rarely (_Capparidaceae_) of 2 sepals and 6 petals or of 5 sepals and 5 petals; in the latter case ovary long-stalked. Albumen scanty or wanting. 260 Perianth of 3-6 sepals and 4 or more petals, but not of 4 sepals and 4 petals. Ovary sessile or nearly so. 262 260. Filaments united throughout their whole length, 8. Placentas 3-5, with 2 ovules each. Calyx 4-lobed. Leaves pinnate. Shrubs or trees. =118. Meliaceae.= Filaments free or united at the base. Placentas 2 or more, in the latter case with numerous ovules. Embryo curved. Leaves simple or digitate. 261 261. Stamens 6, four of them longer than the other two. Ovary sessile or nearly so. Placentas 2. Flowers regular or nearly so. Herbs or undershrubs. Leaves simple, without stipules. =88. Cruciferae.= Stamens few or many; if 6, then not four longer than the rest. Ovary usually stalked. Stigma usually sessile. Flowers mostly irregular. =87. Capparidaceae.= 262. Filaments united in 3-5 bundles. Sepals 5. Petals 5. Seeds ex-albuminous. Leaves opposite, undivided, exstipulate. =149. Guttiferae.= Filaments all free or united at the base. Seeds albuminous. 263 263. Anthers opening at the apex by pores or very short slits. Sepals 5. Petals 5. Leaves alternate, stipulate, usually lobed. 264 Anthers opening by longitudinal slits. Leaves entire or toothed. 265 264. Anthers curved. Placentas 2. Petals red. Flowers and flower-stalks clothed with minute scales. _Bixa_, =155. Bixaceae=. Anthers straight. Placentas 3-5. Petals yellow. Flowers and flower-stalks glabrous or clothed with simple hairs. _Cochlospermum_, =156. Cochlospermaceae=. 265. Embryo distinctly curved, folded, or rolled up. Ovules usually straight. Disc and corona usually wanting. Anthers opening inwards or laterally. Sepals 3 or 5. Petals 5, with contorted aestivation. Leaves mostly opposite. Herbs, undershrubs, or shrubs. =154. Cistaceae.= Embryo straight or nearly straight. Ovules inverted. Disc or corona usually present. Anthers usually opening outwards. Leaves alternate. Shrubs or trees. =159. Flacourtiaceae.=