xxxiv 



INTRODUCTION. 



Stipules QODe. 

 Capsule few-seeded. 



Stems twining. Leaves alternate. 1 

 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-celIed. Corolla imbricated in the bud. 

 Capsule 5-celled. Stamens elongated. 

 Styles 2. Capsule 2-celled. 



CONVOLTtJLACEffl, 840 

 POLEMONIACE.*!, 337 



SOLANACE^, 347 



SCROPHULAKIACEa;, 287 



ERICACE^, 257 



HYDROLEACE.*;, 336 



HH- 4+ *+ ++ Stamens more numerous than the lobes of the corolla. 



Leaves compound, stipulate. Jruit a legume. 

 Leaves simple. 

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

 Flowers perfect. Stamens numerous. 

 Stamens united into a column. Anthers l-celled. 

 Stamens united iu 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 iu the bud. Drupe 1-seeded. 



H- ^- Flowers irregular. 



MIMOSE*, 88 



EBENACE*, 273 



MALVACE^a;, 62 

 CAMELLIACEiE, 60 



ERICACE.*, 257 

 OLACACEa:, 61 



FUMARIACEa;, 22 



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

 Stamens (the fertile ones) 2 or 4. 

 Ovary l-celled. Stamens 2. Corolla spurred. LENTIBULACE.S), 282 



Stamens 4. Fruit 1-seeded, reflexed. PHRYMB.*;, 306 



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

 Ovary 2-c6lled. 

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



Albumen none 



Placenta with hooked appendages. Corolla twisted in the bud. ACANTHACE.S3, 302 



Placenta not appendaged. Capsule large. BIGNONIACE^ai, 284 



Ovary 4-celled. 



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



Ovary not lobed. Style terminal. VERBENACKE, 305 



* # Calyx more or less adherent to the ovary. 

 Anthers united. 

 Anthers contorted. Vines climbing by tendrils. CUCIIRBITACE.a), 148 



Anthers straight. Flowers in a raceme. Fruit a many-seeded capsule. LOBELlACEiE, 263 

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



Flowers in a head. Fruit a dry acbenium. 

 Anthers separate. Leaves opposite or whorled. 

 Leaves connected by stipules, or whorled. 

 Stipules none. Stamens as many a^ 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 



RDBIACE^, 172 

 CAPRIF0LIACE2E, 169 

 VALERIANACEai, 183 



OAMPANULACE.a;, 256 



PRIMULACE^, 279 



QOODENIACE.ffi!, 255 



VACCINIE*, 267 



STYRACACE.2E, 270 



