XXXil INTRODUCTION. 



Flowers irregular. Sepals 5, the two lateral ones petal-like. Stamens 



united in 1-2 sets. POLYGALACE^E, 88 



Flowers regular. 



Sepals and petals 5. Stamens united. 

 Stamens 5, united at the base. Styles 5. Leaves exstipulate, entire. 



LINAGES, 64 

 united at the base or apex. Style single. Leaves stipulate. 



BYTTNERIACE^E, 50 

 united in a tube. Style single. Capsule 3-celled. Leaves all radical. 



DIAPENSIACE.E, 290 



Stamens 9, united in sets. Leaves opposite, entire, dotted. HYPERICACEJJ, 55 

 Sepals and petals 4. Stamens G. Fruit a silique or silicle. CKUCIFER^, 23 



* * Stamens and petals inserted on the ovary. 



Floating aquatic. Leaves and flowers long-stalked. Petals and stamens 



numerous. NYMPHEACE.E, 17 



* * * Stamens and petals inserted on the eafyw, or on a more sr less perigynous disk. 

 i- Calyx not adherent to the ovary. 



Stamens fewer than the petals. 



A woody vine. Leaves opposite, entire. Fruit 3-winged. HIPPOCRATEjE, 79 



Stamens as many as the petals. 

 Leaves stipulate. 

 Stamens monadelphous around the stipe of the ovary. Vines. 



PASSIFLORACE.E, 1C8 

 Stamens monadelphous or diadelphous. Legume 1 - several-seeded. 



LEGUMINOS^E, 93 



Stamens separate, alternate with the petals. 



Leaves pinnate. Calyx uncinate-hispid. Herbs. AGRIMONIA, 133 



Leaves trifoliolate. Capsule inflated, 3-lobed. Shrubs. STAPHYLEACEvE, 84 



Leaves simple. Sepals imbricate. Flowers small, in racemes or cymes. 



CELASTRACE.E, 78 

 Stamens separate, opposite the petals. 



Sepals valvate. Leaves entire. Shrubs or trees. RHAMNACE^E, 75 



Calyx truncate. Leaves mostly lobed. Woody vines. VITACE^E, 73 



Leaves exstipulate. 



Ovaries, sepals, petals, and stamens 3 or 4. Small annuals. CRASSTJLACE^E, 149 



Ovaries 5. Leaves simple. Flowers perfect, axillary. } CTMAWTTWAPT?*' -n 



~ ... T . ,,,,.. , t olMAKU UAOi^/Ej, lU 



Ovary solitary. Leaves pinnate. Flowers dioscious, terminal. ) 



Leaves opposite. Flowers perfect. Calyx valvate. LYTHRACE^E, 157 

 Flowers dioecious. Calyx imbricate. 



ACERINE.E, 85 



Leaves alternate. Calyx persistent. Aquatic shrub. ITEA, 146 



Calyx deciduous. Low perennial. 



TURNERACE^E, 1C7 

 Stamens more numerous than the petals. 

 Ovaries more than one. 



Leaves alternate, stipulate, mostly lobed. Herbs or shrubs. ROSACE55, 120 



exstipulate, mostly entire. Succulent herbs. CRASSULACE^S, 149 

 Leaves opposite, exstipulate. Sepals and petals numerous and alike. Shrubs. 



CALYCANTHACE.E, 142 

 Ovary solitary. 



Leaves simple, stipulate. 

 Style basal, single. Fruit a drupe. Shrubs. Calyx lobes persistent. 



CHRYSOBALANE^E, 129 

 Style terminal, single. Fruit a drupe. Trees. Calyx lobes deciduous. 



AMYGDALE.E. 129 

 Styles 3. Petals clawed. Leaves opposite. MALPIGHIACEvE, 88 



