=Ochnaceæ= ll) Torus not enlarged; calyx enlarged and wing-like in fruit: m) Flowers mostly rather small and not showy; petals much contorted; ovary 2- or more-celled; leaves with comparatively few lateral nerves. =Dipterocarpaceæ= mm) Flowers showy; ovary 1-celled with a basal placenta; leaves long, with very numerous parallel lateral nerves. =Ochnaceæ= ii) Herbs; sepals 2; leaves fleshy, exstipulate; ovary 1-celled with numerous ovules; seeds strophiolate. =Portulacaceæ= ff) Stamens definite in number in relation to the sepals or petals, often the same number or twice as many or fewer: g) Leaves compound, rarely unifoliolate and then with a distinctly tumid petiole: h) Stamens united into a tube; leaves pinnate or rarely unifoliolate, exstipulate; flowers actinomorphic; seeds often winged. =Meliaceæ= hh) Stamens free or united only at the base: i) Leaves stipulate: j) Herbaceous or slightly woody; leaves digitately or pinnately compound. =Oxalidaceæ= jj) Trees, shrubs or often climbers; leaves compound; stipules lateral; seeds without endosperm. =Sapindaceæ= ii) Leaves exstipulate: j) Leaves gland-dotted: =Rutaceæ= jj) Leaves not gland-dotted: k) Ovules pendulous: l) Leaflets 2; shrubs or trees with axillary or supra- axillary spines. =Simarubaceæ= ll) Leaflets more than 2: m) Ovary of more than 1 carpel, 2 or more celled. =Burseraceæ= mm) Ovary usually of 1 carpel. =Anacardiaceæ= kk) Ovules ascending or horizontal: l) Ovules 2 in each cell, collateral; style simple; ovary of 1 carpel. =Connaraceæ= ll) Ovules 1 or more in each cell, erect or ascending; style simple or divided; ovary of more than 1 carpel. =Sapindaceæ= gg) Leaves simple: