f^ SYM PETAL AE 



555- Ovule erect or ascending 556 



Ovule pendulous or descending. Style simple 564 



556. Style I, entire or cleft at the top into 2 or more stigmas (or branches 



stigmatose on the inside) 557 



Styles 3 — 5, free or united at the base. Stamens 5, opposite the petals. 563 



557. Stamens free from the corolla or inserted on its base 558 



Stamens inserted on the upper part or near the middle of the corolla. 561 



558. Corolla (oj corolla-like perianth) with valvate or folded aestivation. 



Leaves exstipuiate 69. Nyctaginaceae. 



Corolla with imbricate or open aestivation ; in the latter case leaves 

 stipulate. Stamens as many as the divisions of the corolla. . . 559 

 55Q. Flowers 5-merous. Stigmas 3. Herbs. Leaves opposite, stipulate. 



Cometes, 75. Caryophyllaceae. 

 Flowers 4-merous. Stigma i 560 



560. Flowers unisexual, sohtary or in fascicles. Seeds albuminous. Herbs. 



Leaves all radical, exstipuiate. . Litorella, 218. Plantaginaceae. 



• 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 I. Seeds exalbuminous. Leaves alternate. Shrubs or trees. 



55. Proteaceae. 

 5^^3- (55^-) Sepals 2. Anthers turned outwards. Styles 3. Seeds witl' 



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 i — 2, free. 



Sepals in the male flowers 4, in the female i — 2. Stamens 4 — 10, with 



united filaments 80. Menispermaceae. 



Petals united below in the flowers of both sexes, or flowers hermaph- 

 rodite. 563 



565. Stamens fewer than the divisions of the calyx or corolla, 4. Anthers 



opening by a transverse slit. Flowers 5-merous, irregular. Seeds 



albuminous. 56(:) 



Stamens as many as or more than the divisions of the corolla, rarely 

 [Ericaceae) fewer, but then only 3 567 



566. Ovary i-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-Globes almost equal. . . . Microdon, 208. Scrophulariaceae. 



