XXX11 



INTRODUCTION. 



Stamens separate, alternate with the petals. 

 Herbs. Leaves alternate. Calyx deciduous. Capsule 1-celled. 



Leaves opposite. Calyx persistent. Capsule 2 - 4-celled. 

 Trees or shrubs. 



Fruit a double samara. Leaves opposite. Styles 2. 

 Fruit a drupe. Ovary 1-celled. Albumen none. 



Ovary 2 - 5-celled. Seeds with albumen. ) 

 Fruit a capsule. Capsule fleshy. Seeds arilled. ) 



Capsule 3-celled, inflated. Leaves trifoliolate. 

 Capsule 2-celled, 2-beaked. Leaves simple. 



TURNERACE^!, 146 

 LYTHRACE^E, 133 



ACERACE^;, 80 

 ANACARDIACE^I, 68 



CELASTRACE.E, 75 



STAPIIYLEACE2E, 77 

 ESCALLONIE^, 151 



H- -H- Stamens more numerous than the 

 Ovaries more than one. 

 Leaves alternate, stipulate. 

 Leaves alternate, exstipulate. Succulent herbs. 

 Leaves opposite, exstipulate. Sepals and petals numerous. 

 Ovary solitary, 1-celled. 

 Fruit a drupe. Style arising from the base of the ovary. 



Style terminal. Ovules pendulous. 

 Fruit a legume. Flowers mostly irregular. 

 Ovary solitary, 2 - 5-celled. 

 Style single. Leaves simple, opposite or whorled. 



Leaves compound, dotted. Petals valvate. 

 Leaves compound, dotless. Petals imbricated. 

 Styles 2. Leaves alternate. Fruit a capsule. 



Leaves opposite. Fruit a double samara. 

 Styles 2-3, each 2 - 3-parted. Capsule 2 - 3-celled. 

 Styles 3, entire. Petals clawed. Fruit a drupe. 



petals. 



ROSACES, 117 



CRASSULACE^l, 149 



CALYCANTHACE^, 129 



CHRYSOBALANEJ3, 118 

 AMYGDALE.E, 118 

 LEGUMINOS^, 86 



LYTHRACE^, 133 



BURSERACE^!, 67 



SAPINDACE^I, 78 



SAXIFRAGACE.E, 151 



ACERACE^E, 80 



EUPHORBIACE^E, 399 



MALPIGIIIACE^, 81 



Herbs. 

 Ovary 1-celled. 



i- <- Calyx adherent to the ovary. 



Capsule and 2-lobed calyx circumscissile. PORTULACACE^I, 43 



Capsule 3-valved. Calyx 5-parted. Leaves rough. LOASACE.E, 146 



Ovary 2 - 6-celled. 

 Style single. Anthers opening by a terminal pore. Leaves ribbed. MELASTOMACE^I, 131 



Anthers opening lengthwise. Leaves ribless. 

 Styles or stigmas 2 or more. 

 Flowers umbelled. Fruit dry, separating into 2 pieces. 



Fruit berry-like, of 2 - 5 nutlets. 

 Flowers not umbelled. 



Flowers perfect. Fruit capsular. Leaves alternate. 

 Flowers monoecious. Fruit nut-like. Leaves whorled. 

 Shrubs or trees. 

 Leaves opposite. 



Fruit dry, variously dehiscent, many-seeded. 

 Fruit indehiscent, 1 - 2-seeded. 

 Stipules between the petioles. 

 Stipules none. Leaves dotted. 



Stamens numerous. 



Leaves dotless. Stamens 4. Ovary 2-celled. 

 Leaves dotless. Stamens 10. Ovary 1-celled. 

 Leaves alternate. 



Flowers umbelled. Leaves compound. 

 Flowers not umbelled. 

 Leaves stipulate. Fruit fleshy or baccate, indehiscent. 



Fruit dry, woody, 2-valved. 

 Leaves exstipulate. 

 Flowers dioecious. Drupe baccate. Sterile flowers apetalous. 



ONAGRACEJ3, 137 



UMBELLIFER^I, 157 

 ARALIACE^I, 166 



SAXIFRAGACEJ3, 151 

 HALORAGE^;, 137 



HYDRANGEA, 151 



RHIZOPHORACE^:, 135 

 MYRTACE^l, 130 

 CORNACE^:, 167 

 COMBRETACEJE, 136 



ARALIACE.E, 166 



POME^, 118 

 IIAMAMELACE^, 156 



CORNACE.E, 167 



