I 4 FLOWERING PLANTS OF THE RIVIERA 



DIVISION II. Gamopetalse or Monopetalee. 



Flowers with both calyx and corolla. Petals more or less connate into a 2- 

 or more-lobed corolla. (Exceptions in Ericaceae and Plumbaginaceas.) 



Series i. Ovary inferior. Stamens as many as corolla lobes. 

 Caprifoliaceae. Flowers regular or not. Corolla lobes valvate or imbricate 

 in bud. Ovary 1-5 celled. Seeds albuminous. Shrubs, or rarely herbs with 

 opposite, exstipulate leaves and usually showy flowers. 



Rubiaceas. Flowers regular, small. Corolla lobes valvate in bud. Ovary 

 2 celled ; cells i ovuled. Seeds albuminous. Herbs (in Europe) with whorled or 

 opposite, exstipulate leaves. 



Valerianaceae. Flowers irregular. Corolla lobes imbricate. Stamens 1-3 

 or 5 free. Ovary 1-3 celled, ovule pendulous. Seeds exalbuminous. Herbs with 

 opposite leaves and small flowers. 



Dipsaceas. Flowers regular or not, small, in involucrate heads. Corolla 

 lobes imbricate. Stamens 4. Ovary i celled ; ovule i, pendulous. Seeds al- 

 buminous. Herbs with opposite, exstipulate leaves. 



Composite. Flowers in involucrate heads, small or minute. Corolla lobes 

 valvate. Stamens 4-5, anthers usually connate. Ovary i celled; ovule i, 

 erect. Seeds exalbuminous. Herbs or rarely shrubs with various exstipulate 

 leaves. 



Lobeliacea;. Flowers irregular, of i petal inserted on the calyx. Stamens 

 5, growing on the ovary. Stigma surrounded by a membranous cup or fringe. 



Campanulaceas. Flowers regular or irregular. Stamens 5, separate or 

 connate. Stigma not surrounded by a membrane. Ovary 2-8 celled. Herbs with 

 alternate, exstipulate leaves and usually showy flowers. 



Series 2. Ovary generally superior. Carpels more than 2. 

 Vaccinieae. Flowers regular. Stamens 8 or 10, epigynous. Ovary 4-5 

 celled, inferior. Small shrubs with alternate, exstipulate leaves. 



Ericaceae. Flowers regular, 4-5 cleft. Stamens 8 or 10 on an hypogynous 

 disk, and not attached to corolla. Anthers 2 celled, opening by pores and 

 sometimes awned. Shrubs or trees, rarely herbs, with small linear leaves. 



Monotropacese. Leafless parasitic herbs, the leaves reduced to scales of the 

 same colour as the stem. 



Primulaceae. Corolla regular. Stamens 4-5, opposite corolla lobes. Ovary 



1 celled. Style i. Stigma capitate. Capsule 5-10 valved, many seeded. Herbs, 

 flowers often showy. 



Styracaceae. Flowers 2 sexual, regular. Calyx superior; limb small, 5 

 lobed, imbricate. Petals 5, free or slightly connate at base, imbricate. Stamens 

 many and in several series at base of corolla. Ovary 2-3 celled ; ovules 2, pendul- 

 ous in each cell, style simple. Drupe 1-3 seeded. Endosperm copious. Trees 

 or shrubs with alternate leaves. 



Series 3. Ovary generally superior. Carpels usually 2. 

 Oleaceas. Corolla regular. Stamens 2, alternate with corolla-lobes. Ovary 



2 celled. Fruit a drupe. Trees or shrubs with opposite, exstipulate leaves. 



Apocynaceae. Corolla regular, often showy. Stamens 4-5, alternate with 

 corolla lobes ; anthers basifixed. Carpels 2, free below. Fruit of 2 follicles. 

 Shrubs or creeping herbs with opposite entire leaves. 



