ll) Corolla tube very short; disk present; leaves very small. =Tamaricaceæ= ii) Stamens inserted on or adnate to the corolla tube: j) Style gynobasic: k) Style 1; fruit composed of pyrenes or nutlets; corolla imbricate or contorted. =Boraginaceæ= kk) Styles 2; fruit a capsule; corolla plicate. =Convolvulaceæ= jj) Style not gynobasic, terminal: k) Corolla valvate or plaited in bud (in the latter case the limb may be somewhat twisted but not truly imbricate): l) Ovules 1-4 in each ovary cell; stamens inserted towards the base of the corolla tube. =Convolvulaceæ= ll) Ovules numerous (rarely 3-6) in each ovary cell. =Solanaceæ= kk) Corolla imbricate: l) Herbs with radical leaves and flowers in slender spikes. =Plantaginaceæ= ll) Herbs, trees or shrubs; flowers not in slender spikes: m) Ovules 1 in each cell; trees and shrubs. =Boraginaceæ= mm) Ovules numerous in each cell; herbs or small shrubs. =Solanaceæ= cc) Stamens fewer than the corolla lobes; leaves mostly opposite: d) Flowers actinomorphic: e) Stamen 1; climbers or shrubs; seeds winged; one calyx lobe much larger than the others and petaloid. =Loganiaceæ= ee) Stamens more than 1: f) Stamens 6-8 opposite the inner lobes of the corolla; ovules solitary in each cell; trees or shrubs. =Sapotaceæ= ff) Stamens alternate with the corolla lobes: g) Peduncle of the inflorescence adnate to the petiole; corolla lobes or some of them 2-cleft. =Chailletiaceæ= gg) Peduncle not adnate to the petiole; corolla lobes not cleft or only slightly so: h) Ovules few (1-4) in each cell of the ovary: i) Disk none; stamens 2; shrubs, trees or climbers; leaves simple or pinnate. =Olacaceæ= ii) Disk present; stamens usually 4; shrubs or trees; leaves simple or digitate. =Verbenaceæ= hh) Ovules numerous: i) Corolla lobes minute, valvate, alternating with entire or 2-lobed appendages.