INTRODUCTION. 



Stipules none. 

 Capsule few-seeded. 



Stems twining. Leaves alternate. 



CONVOLVULACE^;, 340 



Stems twining. Leaves none. 

 Stems not twining. Leaves opposite or alternate. POLEMONIACE^E, 337 



Capsule many-seeded. 

 Style single. 



Capsule 2-celled. Corolla plaited in the bud. SOLANACE.&. 347 



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



Capsule 5-celled. Stamens elongated. ERICACEAE, 257 



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



the lobes of tin corolla. 



Leaves compound, stipulate. Fruit a legume. MIMOSEA 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^E. 60 

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



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



CoroUa-lobes valvate in the bud. Drupe 1-seeded. OLACACEJE, 61 



i- <- Flowers 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/E, 282 



Stamens 4. Fruit 1-seeded, reflexed. PHRYMEjE, 306 



Stamens 4. Fruit many-seeded. Leaves scaly. OROBANCHACEJE, 286 

 Ovary 2-celled. 



Albumen copious. Corolla imbricated in the bud. SCROPHULARIACEJE, 287 



Albumen none. 



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



Placenta not appendaged. Capsule large. BIGNONIACE/E, 284 

 Ovary 4-ceUed. 



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



Ovary not lobed. Style terminal. VERBENACEJi, 305 



# # Calyx more or less adherent to the ovary. 

 Anthers united. 



Anthers contorted. Vines climbing by tendrils. CUCURBITACE^, 143 



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



Flowers in a raceme. Fruit a 1 -4-seeded drupe. RUBIACE7E, 172 



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



Anthers separate. Leaves opposite or whorled. 



Leaves connected by stipules, or whorled. RUBIACE2K, 172 



Stipules none. Stamens as many as the lobes of the corolla. CAPRIFOLIACE^E, 169 



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. CAMPANULACE/E, 256 



Corolla-lobes imbricated in the bud. Capsule valvate. PRIMULACE^?, 279 



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



Flowers regular. Anthers opening by a terminal chink. VACCTNIE/E, 257 



Flowers regular. Anthers opening lengthwise. STYRACACE.E, 27i 



