INTRODUCTION. 



Stipules none. 

 Capsule few-seeded. 



Stems twining. Leaves alternate, i 

 Stems twining. Leaves none. i 



Stems not twining. Leaves opposite or alternate. 

 Capsule many-seeded. 

 Style single. 



Capsule 2-celled. Corolla plaited in the bud. 



Capsule 2-celled. Corolla imbricated in the bud. SCROPHULARIACE^, 287 



Capsule 5-celled. Stamens elongated. ERICACE^, 257 



Styles 2. Capsule 2-celled. HYDROLEACE^, 336 



++ ++ -H- -M- Stamens more numerous than the lobes of the corolla. 



CONVOLTULACE^, 840 

 POLEMONIACE^, 337 



SOLANACE^, 347 



Leaves compound, stipulate. Fruit a legume. 

 Leaves simple. 

 Flowers dioecious. Ovary 8-celled. Fruit a berry. 

 Flowers perfect. Stamens numerous. 

 Stamens united into a column. Anthers 1-celled. 

 Stamens united in a ring or in clusters at the base. 

 Flowers perfect. Stamens twice as many as the corolla-lobes. 

 Corolla-lobes imbricated in the bud. Capsule many-seeded. 

 Corolla-lobes valvate in the bud. Drupe 1-seeded. 



■*- -1- Flowers imgular. 



MIMOSEiE, 88 



EBENACE^, 273 



MALVACE^, 52 

 CAMELLIACE^, 60 



ERICACE^, 257 

 OLACACEJE, 61 



FDMARIACE^, 22 



LENTIBULACE^, 282 



PHRYME^, 306 



OROBANCHACE^, 286 



Stamens 6. Calyx of 2 sepals. Capsule 1-celled. 

 Stamens (the fertile ones) 2 or 4. 

 Ovary 1-celled. Stamens 2. Corolla spurred. 



Stamens 4. Fruit 1-seeded, reflexed. 

 Stamens 4. Fruit many-seeded. Leaves scaly 

 Ovary 2-celled. 

 Albumen copjpus. Corolla imbricated in the bud. SCROPHULARIACEiE, 287 



Albumen none 



Placenta with hooked appendages. Corolla twisted in the bud. ACANTHACE^, 302 



Placenta not appendaged. Capsule large. BIGNONIACE^, 284 



Ovary 4-celled. 



Ovary 4-lobed ; the style rising from between the lobes. LABIAT^E, 310 



Ovary not lobed. Style terminal. VERBENACE^, 305 



* * Calyx more or less adherent to the ovary. 

 Anthers united. 

 Anthers contorted. Tines climbing by tendrils. CUCTJRBITACEjE, 148 



Anthers straight. Flowers in a raceme. Fruit a many-seeded capsule. LOBELIACE^E, 253 

 Flowers in a raceme. Fruit a 1-4-seeded drupe. RUBIACE^iE, 172 



Flowers in a head. Fruit a dry achenium. 

 Anthers separate. Leaves opposite or whorled. 

 Leaves connect<>d by stipules, or whorled. 

 Stipules none. Stamens as many as the lobes of the corolla. 

 Stamens fewer than the lobes of the corolla. 

 Anthers separate. Leaves alternate. 

 Herbs. 

 Corolla-lobes valvate in the bud. Capsule opening at the sides. 

 Corolla-lobes imbricated in the bud. Capsule valvate. 

 Shrubs. Flowers irregular. Stigma within a ciliate cup. 



Flowers regular. Anthers opening by a terminal chink. 

 Flowers regular. Anthers opening lengthwise. 



COMPOSIT.«, 184 



RUBIACEiE, 172 

 CAPRIFOLIACE^, 169 

 VALERIANACE.^, 183 



CAMPANULACE^, 266 



PRIMULACE.E, 279 



GOODENIACE.55, 255 



TACCTNIE^, 257 



STYRACACE.E, 270 



