INTRODUCTION. 



Stipules none. 

 Capsule few-seeded. 



Stems twining. Leaves alternate. , CONVOLVULACE2E, 340 



Stems twining. Leaves none. ) 



Stems not twining. Leaves opposite or alternate. POLEMONIACK&I, 837 



Capsule many-seeded. 

 Style single. 



Capsule 2-celled. Corolla plaited in the bud. SOLANACE^I, 347 



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



Capsule 5-celled. Stamens elongated. ERICACEAE, 257 



Styles 2. Capsule 2-celled. HYDROLEACEJE, 336 



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



Leaves compound, stipulate. Fruit a legume. MIMOSE^!, 88 

 Leaves simple. 



Flowers dioecious. Ovary 8-celled. Fruit a berry. EBENACE^E, 273 

 Flowers perfect. Stamens numerous. 



Stamens united into a column. Anthers 1-celled. MALVACEAE, 52 

 Stamens united in a ring or in clusters at the base. CAMELLIACE^), 60 

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



Corolla-lobes imbricated in the bud. Capsule many-seeded. ERICACEJ3, 257 



Corolla-lobes valvate in the'bud. Drupel-seeded. OLACACILE, 61 



i- H- Floivers irregular. 



Stamens 6. Calyx of 2 sepals. Capsule 1-celled. FUMARIACEJE, 22 



Stamens (the fertile ones) 2 or 4. 



Ovary 1-celled. Stamens 2. Corolla spurred. LENTIBULACE^!, 282 



Stamens 4. Fruit 1-seeded, reflexed. PHRYME^E, 306 



Stamens 4. Fruit many-seeded. Leaves scaly. OROBANCHACE^, 286 

 Ovary 2-celled. 



Albumen copious. Corolla imbricated in the bud. SCROPHULARIACE^, 287 



Albumen none. 



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

 Placenta not appendaged. Capsule large. BIGNONIACEJE, 284 



Ovary 4-celled. 



Ovary 4-lobed ; the style rising from between the lobes. LABIATE, 310 



Ovary not lobed. Style terminal. VERBENACE^E, 305 



/ 



' * * Calyx more or less adherent to the ovary. 

 Anthers united. 



Anthers contorted. Vines climbing by tendrils. CUCURBITACE.E, 148 



Anthers straight. Flowers in a raceme. Fruit a many-seeded capsule. LOBELIACEJ3, 253 



Flowers in a raceme. Fruit a 1 - 4-seeded drupe. RUBIACEJE, 172 



Flowers in a head. Fruit a dry achenium. COMPOSITE, 184 



Anthers separate. Leaves opposite or whorled. 



Leaves connected by stipules, or whorled. RUBIACE^, 172 



Stipules none. Stamens as many as the lobes of the corolla. CAPRIFOLIACE^, 16 



Stamens fewer than the lobes of the corolla, VALERIANACE^E, 183 



Anthers separate. Leaves alternate. 

 Herbs. 



Corolla-lobes valvate in the bud. Capsule opening at the sides. CAMPANTILACE^, 25 



Corolla-lobes imbricated in the bud. Capsule valvate. PREMTJLACE^E, 279 



Shrubs. Flowers irregular. Stigma within a ciliate cup. GOODENIACE^!, 255 



Flowers regular. Anthers opening by a terminal chink. VACCINIE^l, 257 



Flowers regular. Anthers opening lengthwise. STYRACACE.3E, 270 



