i8 



CHORIFETALAE 



Flowers hcrniaphrodite. solitary or in racemes or heads. Perianth 

 regular. Style i, undivided 187 



187. Stamens 3—6. Leaves stipulate. Herbs. 



Ludu'igia, 182. Oenotheraceae. 

 .Stamens numerous. Leaves exstipulate. Trees or shrubs. 



176. Lecythidaceae. 



188. (53.) Ovary superior or nearly so 189 



Ovary inferior to half-inferior 481 



189. Ovary i, entire or lobed 190 



Ovaries 2 or more, separate or united at the base onl^'. . . .451 



190. Ovary i-celled, sometimes with incomplete partitions or containing one 



or more empty rudimentary cells besides the fertile one. . . . 191 



Ovary completely or almost completely 2- or more-celled, the partitions 



sometimes not quite reaching the apex ; or one cell only fertile, the others 



empty but well developed 273 



191. Ovule I. 192 



Ovules 2 or more. 214 



192. Ovule erect or ascending or attached by a basal funicle. . . . 193 

 Ovule pendulous or descending 205 



193. Leaves stipulate. Sepals 5 194 



Leaves exstipulate 198 



194. Stigma I, entire. 195 



Stigma I, five-lobed, or stigmas 2 — ^3. Stamens i — 5, more or less dis- 

 tinctly perigynous. Flowers regular. Leaves undivided. . . 197 



195. Flowers regular. Corolla with imbricate or contorted aestivation. Sta- 



mens 4 — 5, hypogynous. Shrubs or trees. Leaves opposite, undivided. 



Donera, 131. Salvadoraceae. 



Flowers irregular, rarely regular, but then leaves alternate and corolla 



with valvate aestivation or stamens more than 5. Stamens more or 



less distinctly perigynous 196 



196. Style basal or nearly so 103. Rosaceae. 



Style terminal or nearly so. Stamens 9 — 10. . 105. Leguminosae. 



197. Stigma 5 -lobed. Calyx valvate in bud. Seeds exalbimiinous. Shrubs 



or trees Maesopsis, 137. Rhamnaceae. 



Stigmas 2 — 3. Seeds albuminous 75. Caryophyllaceae. 



198. Sepals 2, free or nearly so 199 



Sepals 3 — 7, free or more or less united, or an entire calyx. . . 201 



199. Flowers unisexual. Stamens 8 — 10. Style 3 — 4-cleft. Trees. Leaves 



undivided Didierea, 134. Sapindaceae. 



Flowers hermaphrodite. Stamens 2 — 7. Herbs or shrubs. . . 200 



200. Corolla regular. Stamens 4 — 7, free or nearly so. Style 3-parted, 



Embryo large, curved. Shrubs. Leaves undivided. 



Portiilacaria, 73. Portulacaceae. 



