16 FLOWERING PLANTS OF THE RIVIERA 



DIVISION III. Incomplete. 

 Corolla and often calyx absent or united into a single perianth. 



* Perianth single, inferior. 



Phytolaccaceze. Perianth inferior, 4-5 partite, imbricate in bud. Stamens 

 inserted on its base. Ovary i-io celled. Styles as many as there are cells to 

 ovary. Leaves alternate, exstipulate. Fruit a berry. 



Amarantaceas. Perianth 3-5 partite, scariose, persistent. Stamens 3 or 5 

 inferior. Ovary of i cell. Leaves without sheaths or stipules. 



Chenopodiaceae. Flowers 1-2 sexual. Calyx 3-5 lobed, herbaceous per- 

 sistent round the fruit. Stamens 1-5, opposite sepals. Ovary i celled. Utricle 

 i seeded, indehiscent. Albumen floury or fleshy. Herbs with exstipulate 

 leaves or stems leafless and jointed, and green, inconspicuous flowers. 



Polygonacese. Flowers usually 2 sexual. Sepals 3-6, green or coloured. 

 Stamens 5-8, perigynous or hypogynous. Fruit usually enclosed in sepals. 

 Ovules erect. Albumen floury, embryo curved. Herbs with alternate leaves, 

 sheathing stipules and small flowers. 



Thymelasaceae. Flowers 2 sexual. Calyx tubular, 4-5 lobed, stamens 

 definite, inserted in the tube. Ovules pendulous. Albumen o or scanty ; 

 embryo straight. Shrubs with entire leathery leaves, tenacious bark, and sweet 

 scented flowers. 



Lauracese. Flowers i sexual. Perianth inferior, usually 6 cleft. Stamens 

 usually g, in 3 rows ; fils. flattened, 2 glandular at the base. Anthers usually 4 

 celled, opening by valves. Ovary superior, i celled, i ovuled, ovule pendulous. 

 Fruit indehiscent. Endosperm. Trees or shrubs, with alternate or whorled, 

 rarely opposite, entire leaves. 



Elseagnaceae. Calyx in <$ flowers 3-4 sepalous ; in ? 2 sexual, flowers 

 tubular. Stamens 4-8 at base of sepals in < flowers, ovule erect. Albumen 

 o or scanty ; embryo straight. Shrubs with silvery scales, entire, exstipulate 

 leaves and inconspicuous flowers. 



** Perianth single, superior. 



Loranthaceee. Calyx 4 cleft, valvate in bud. Stamens one, adnate to each 

 calyx lobe. Ovary i celled; ovule i, adnate to ovary. Seed erect, radicle su- 

 perior, albumen fleshy. Parasitic shrubs, with entire, exstipulate leaves and incon- 

 spicuous flowers. 



Santalaceae. Calyx 3-5 lobed, valvate in bud. Stamens i, adnate to each 

 calyx lobe. Ovary i celled ; ovules several, pendulous from a free central pla- 

 centa. Albumen fleshy. Shrubs or herbs, often root parasites ; leaves usually 

 alternate, entire, exstipulate. Flowers inconspicuous. 



Cytinaceas. Flowers monoecious. Perianth superior, 4-5 lobed. Stamens 8 

 or more, on a central column. Ovary of i cell with many seeds on parietal pla- 

 centa. Parasitic plants with no leaves. 



Aristolochiaceae. Calyx 3 lobed, or 1-2 lipped, valvate in bud. Stamens 

 6-12, epigynous or gynandrous. Ovary 4-6 celled; ovules many. Embryo 

 minute. Herbs or shrubs with alternate, exstipulate leaves. 



Euphorbiaceze. Flowers i sexual. Calyx o or sepals 2 or more. Sta- 

 mens i or more, anthers didymous. Ovary 2-3 lobed, i celled ; ovules 1-2 in 

 each cell, pendulous, anatropous. Styles 2-3. Albumen copious, fleshy. Herbs 

 or shrubs with various leaves. Inflorescence often of many stamens and i pistil in 

 a small calyx-like involucre. Perianth often o. 



Urticaceae. Flowers 1-2 sexual. Male perianth 3-8 lobed, female tubular 

 or 3-5 cleft or a scale. Stamens opposite the perianth lobes. Ovary i celled. 

 Ovule solitary, pendulous or erect. Herbs or shrubs with various stipulate leaves 

 and minute green flowers. 



