24 CHORIPETALAE 



255. Staminodes present, sometimes petal-like. Placentas 3. Flowers regu- 



lar. Herbs or undershrubs. Leaves stipulate. . 147. Ochnaceae. 

 Staminodes wanting 256 



256. Leaves stipulate, rarely exstipulate and then stem herbaceous or suf- 



fruticose. Placentas 3 158. Violaceae. 



Leaves exstipulate. Stem woody. Flowers regular. Placentas 2, rarely 

 3—5 Pittosponim, 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. Sta- 



mens nunierous, 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 {Flaconrtiaceae) 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 under- 

 shrubs. 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 3. Petals 5. Seeds ex- 



albuminous. Leaves opposite, undivided, exstipulate. 149. Guttiferae. 

 F'ilaments 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, usuallv lobed 264 



Anthers opening by longitudinal slits. Leaves entire or toothed. 265 



