60 SYMPETALAE 



674. Corolla scarious, 4-lobed, regular. Stamens 4. Disc wanting. Stigma i. 



Ovules pendulous or laterally affixed. Fruit opening by a lid. 



Plantago, 218. Plantaginaceae. 

 Corolla not scarious 675 



675. Corolla with valvate or folded aestivation, regular. Stamens 5. Leaves 



alternate 202. Convolvulaceae. 



Corolla with imbricate or contorted aestivation 676 



676. Stamens as many as the divisions of the corolla. Ovules with the micro- 



pyle directed upwards. Leaves, all or the upper ones, alternate, un- 

 divided. Inflorescences cymose, usually one-sided and coiled when 



young 204. Borraginaceae. 



Stamens fewer than the divisions of the corolla, rarely the same number, 

 but then ovules with the micropyle directed downwards and leaves 

 opposite or whorled 677 



677. Leaves alternate, at least the upper ones, undivided. Corolla regular, 



5-lobed. Stamens 4. Anther-halves confluent at the apex. Ovules 

 pendulous, the micropyle directed upwards. Fruit a drupe. Shrubs. 



Myoporum, 217. Myoporaceae. 



Leaves opposite or whorled, rarely alternate, but then corolla 2-lipped. 



Ovules with the micropyle directed downwards 678 



678. Ovary deeply divided, more rarely shghtly lobed, and then, as usually, 



fruit dry. Inflorescence composed of sometimes one-flowered cymes 



arranged in false whorls 206. Labiatae. 



Ovary entire, rarely slightly lobed, and then fruit succulent, drupaceous. 

 Inflorescence usually of the racemose type. . . 205. Verbenaceae. 



679. (670.) Anthers i-celled, opening by a single slit. Stamens numerous. 



Calyx with valvate, corolla with contorted aestivation. Leaves simple, 



stipulate 142. Malvaceae. 



Anthers 2-celled 680 



680. Style I, undivided 681 



Styles 2 or more, free or partially united 683 



681. Stamens more than the divisions of the corolla, 4 — 8. Fruit a capsule 



or nut. Leaves undivided, exstipulate 189. Ericaceae. 



Stamens as many as or more than the divisions of the corolla ; in the 

 latter case, 12 or more. Fruit a berry 682 



682. Corolla with valvate aestivation. Stamens 5. Leaves pinnate. 



Leea, 138. Vitaceae. 

 Corolla with imbricate aestivation. Leaves undivided. 193. Sapotaceae. 



683. Flowers hermaphrodite. Sepals free. Corolla 5-partite. Stamens 10. 



Ovary lobed, 5-celled. Styles 5, free. Herbs or undershrubs, rarely 



shrubs, 108. Oxalidaceae. 



Flowers unisexual or polygamous, rarely hermaphrodite, but then sepals 

 united below and ovary-cells twice as many as the styles. . . . 684 



