CHORIPETAI.AE 



29 



309. Leaves stipulate, pinnate with i — 2 pairs of leaflets, more rarely simple 



and undivided, and then stigma 3-parted. Ovary 3 — 5-celled. Style 



simple . 113. Zygophyllaceae. 



Leaves rarely stipulate, but then undivided and stigma entire or 2-lobe(I. 



116. Simarubaceae. 



310. Sepals united into a minute, entire or toothed calyx. Petals 4 — 6, valvate 



in bud. Ovary 3 — ^4-celled. Seeds with abundant albumen. 



59. Olacaceae. 

 Sepals free or united at the base only. Seeds without albumen. . . 311 



311. Petals 5, imbricate in bud. Ovary 2 — 3-celled. 119. Malpighiaceae. 

 Petals 8 — 10, rarely 4 — 5, scale-like, valvate in bud. Sepals free, petaloid. 



Ovary 4 — 5-celled Octolepis, 111. Thymelaeaceae. 



312. (305.) Stamens numerous. Anthers opening by one slit. Calyx with 



valvate aestivation. Seeds with curved embryo. Leaves simple, 



stipulate 142. Malvaceae. 



Stamens twice as many as the petals, 6 — 12, rarely {Malpighiaceae) a 

 few more (11 — 15). Anthers opening by two slits. Calyx with imbricate 

 or open aestivation 313 



313. Style I, undivided with a single stigma or with two or more stigmas 



contiguous at the base 314 



Styles 2 — 5, free or more or less united with separate (not contiguous) 

 stigmas. Stamens 10, rarely 11^ — 15 316 



314. Leaves compound, exstipulate. Seeds without albumen. 



118. Meliaceae. 

 Leaves simple, undivided. Stamens 10 315 



315. Ovary 5-celled. Disc present. Seeds albuminous. Trees. Leaves ex- 



stipulate Saccoglottis, 111. Humiriaceae. 



Ovary 2 — 3-celled. Disc wanting. Shrubs or undershrubs. . . 316 



316. Seeds albuminous. Flowers in axillary fascicles. Leaves alternate, 



stipulate Nectar op etalum, 110. Linaceae. 



Seeds exalbuminous. Flowers in racemose inflorescences, rarely solitary. 

 Sepals usually with glands on the outside. 119. Malpighiaceae. 



317. Styles and ovary-cells 5. Herbs or undershrubs, rarely shrubs. 



108. Oxalidaceae. 



Styles and ovary-cells 2 — 4. Trees or shrubs, rarely undershrubs. Leaves 



undivided. 318 



318. Flowers solitary or in fascicles. Petals with a scale on the inside. Styles 



or style-branches 3 — 4. Fruit a drupe. Seeds usually albuminous. 

 Leaves alternate, stipulate. . . Erythroxylon, 112. Erythroxylaceae. 

 Flowers in racemose inflorescences. Sepals usually with glands on the 

 outside. Styles or style-branches 2 — 3. Seeds exalbuminous. 



119. Malpighiaceae. 



319. (273.) Ovules 2 in each ovary-cell 320 



Ovules 3 or more in each ovary-cell 3^9 



