xxxiv INTRODUCTION. 
Stipules none. 
Capsule few-seeded. 
Stems twining. Leaves alternate. 
E uu. deese } CONVOLVULACER, 340 
Stems not twining. Leaves opposite or alternate. POLEMONIACE, 337 
Capsule many-seeded. 
Style single. 
Capsule 2-celled. Corolla plaited in the bud. SOLANACEJE, 347 
Capsule 2-celled. Corolla imbricated in the bud. SCROPHULARIACEJE, 287 
Capsule 5-celled. Stamens elongated. » ERICACEJE, 257 
Styles 2. Capsule 2-celled. HYDROLEACEX, 336 
++ ++ ++ ++ Stamens more numerous than the lobes of the corolla. 
Leaves compound, stipulate. Fruit a legume. MIMOSEJE, 88 
Leaves simple. 
Flowers dicecious. Ovary 8-celled. Fruit a berry. EBENACEJE, 273 
Flowers perfect. Stamens numerous. ' 
Stamens united into a column. Anthers 1-celled. : MALVACEJE, 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. ERICACEZ, 257 
Corolla-lobes valvate in the bud. Drupe 1-seeded. OLACACEJE, 61 
+ + Flowers irregular. 
Stamens 6. Calyx of 2 sepals. Capsule 1-celled. FUMARIACE®, 22 
Stamens (the fertile ones) 2 or 4. tee Ee 
Ovary l-celled. Stamens 2. Corolla spurred. LENTIBULACER, 282 
Stamens 4. Fruit 1-seeded, reflexed. PHRYMEZ, 306 
~ . , Btemens4. Fruit many-seeded. Leaves scaly. OROBANCHACER, 296 
Albumen copious. Corolla imbricated in the bud. : SCROPHULARIACE®, 287 
Placenta with hooked appendages. Corolla twisted in the bud. ACANTHACEJ, 302 
Placenta not appendaged. Capsule large. - BIGNONIACEJE, 284 
Ovary 4-celled. — 
Ovary 4-lobed ; the style rising from between the lobes, LABIATJE, 310 
Ovary notlobed. Style terminal. VERBENACEJE, 305 
* 
* or 
. * Calyx more or less adherent to the ovary. 
Anthers contorted. Vines climbing by tendrils. CUCURBITACER, 148 
_ Anthers straight. Flowers in a raceme. Fruit a many-seeded capsule. LOBELIACEJE, 253 
: Flowers in a raceme. Fruit a 1- 4-seeded drupe. RUBIACEZ, 172 
~= Flowers ina head. Froita dry achenium. COMPOSITE, 184 
Anthers separate. Leaves opposite or whorled. 
Leaves connected by stipules, or whorled. > RUBIACEX, 172 
` Stipules none. Stamens as many as the lobes of the corolla. CAPRIFOLIACER, 169 
gea Stamens fewer than the lobes of the corolla. VALERIANACE®, 183 
Anthers separate. Leaves alternate, : ; 
Corolla-lobes valvate in the bud. Capsule opening at the sides. CAMPANULACEJE, 256 
Corolla-lobes imbricated in the bud. Capsule valvate, - VRSM ; 
