Flowers hermaphrodite, in racemes or panicles. Seeds exalbuminous. Shrubs or trees. Leaves opposite, stipulate. _Salvadora_, =131. Salvadoraceae=. 561. Stamens fewer than the divisions of the corolla, 4. Leaves whorled. Shrubs. =205. Verbenaceae.= Stamens as many as the divisions of the corolla. 562 562. Stamens alternating with the divisions of the corolla (or the petaloid staminodes). Seeds albuminous. =68. Amarantaceae.= Stamens opposite the divisions of the corolla (or petaloid perianth), 4. Stigma 1. Seeds exalbuminous. Leaves alternate. Shrubs or trees. =55. Proteaceae.= 563. (556.) Sepals 2. Anthers turned outwards. Styles 3. Seeds with curved embryo. =74. Basellaceae.= Sepals 5. Anthers turned inwards. Styles 5. Seeds with straight embryo. =192. Plumbaginaceae.= 564. Petals in the male flowers 2-4, united below, in the female 1-2, free. Sepals in the male flowers 4, in the female 1-2. Stamens 4-10, with united filaments. =80. Menispermaceae.= Petals united below in the flowers of both sexes, or flowers hermaphrodite. 565 565. Stamens fewer than the divisions of the calyx or corolla, 4. Anthers opening by a transverse slit. Flowers 5-merous, irregular. Seeds albuminous. 566 Stamens as many as or more than the divisions of the corolla, rarely (Ericaceae) fewer, but then only 3. 567 566. Ovary 1-celled from the beginning. Stigma 2-lobed, rarely entire, and then corolla-lobes very unequal. =215. Globulariaceae.= Ovary originally 2-celled, one cell becoming rudimentary. Stigma entire. Corolla-lobes almost equal. _Microdon_, =208. Scrophulariaceae=. 567. Stamens as many as and opposite the divisions of the corolla (or corolla-like perianth), 4, inserted on the upper part or near the middle of the corolla. Corolla valvate in bud. Seeds exalbuminous. =55. Proteaceae.= Stamens as many as and alternate with the divisions of the corolla, or fewer or more numerous, inserted on the base of the corolla or free from it. 568 568. Stamens 10, perigynous. Anthers opening by two longitudinal slits. Flowers regular. =171. Thymelaeaceae.= Stamens 3-8, hypogynous. 569 569. Flowers regular. Sepals 3-4. Corolla-lobes 3-4. Anthers opening by two pores or slits. Seeds albuminous. =189. Ericaceae.= Flowers irregular. Sepals 5. Corolla-lobes 3 or 5. Stamens 8. Anthers opening by a single pore or slit. Seeds exalbuminous. _Securidaca_, =120. Polygalaceae=. 570. (554.) Ovules 2. 571 Ovules 3 or more. 578 571. Stamens 4, fewer than the divisions of the corolla. Flowers irregular. Leaves opposite. 572 Stamens 3 or more, as many as or more than the divisions of the corolla. 573 572. Anthers opening by pores. Fruit a drupe. Seeds exalbuminous. Climbing shrubs. Flowers in clusters. _Afromendoncia_, =216. Acanthaceae=. Anthers opening by longitudinal slits. Stigmas 2. Fruit a capsule or nut. Seeds albuminous. Prostrate herbs. Flowers solitary. _Linariopsis_, =210. Pedaliaceae=.