XXX 11 



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.E, 146 

 LYTIIRACEJS, 133 



ACERACEjE. 80 

 ANACARDIACE^, 68 



CELASTRACE.E, 75 



STAPHYLEACE/E, 77 

 ESCALLONIE.E. 151 



++ «+ Stamens more numerous ttian the petals. 

 Ovarieu more than one. 



Leaves alternate, stipulate. ROSACEA 117 



Leaves alternate, exstipulate. Succulent herbs. CRASSULACEiE, 149 



Leaves opposite, exstipulate. Sepals and petals numerous. CALYCANTIIACEJ5, 129 

 Ovary solitary, 1-celled. 



Fruit a drupe. Style arising from the base of the ovary. CIIRYSOBALANE^, 118 



Style terminal. Ovules pendulous. AMYGDALEjE, 118 



Fruit a legume. Flowers mostly irregular. LEGUMINOSiE, 86 



Ovary solitary, 2-5-celled. 



Style single. Leaves simple, opposite or whorled. LYTHRACE^E, 133 



Leaves compound, dotted. Petals valvate. BURSERACE^E, 67 



Leaves compound, dotless. Petals imbricated. SAPINDACEJS, 78 



Styles 2. Leaves alternate. Fruit a capsule. SAXIFRAGACEiE, 151 



Leaves opposite. Fruit a double samara. ACERACEiE, 80 



Stylos 2-3, each 2 - 3-parted. Capsule 2 - 3-celled. EUPIIORBi ACE^, 399 



Styles 3, entire. Petals clawed. Fruit a drupe. MALPIGHIACE^, 81 



-4- h- Calyx adherent to the ovary. 



Ovary 1-celled. Capsule and 2-lobed calyx circumscissile. PORTULACACEiE, 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. MELASTOMACEJE. 



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. Leave* 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. 

 Leaves dotless. 

 Leaves dotless. 

 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 apctalous. 



OXAGKACEJE, 



UMBELLIFERiE, 

 ARALIACE^E, 



SAXIFRAGACE.E, 

 IIALORAGE.E, 



131 

 137 



157 

 166 



153 

 187 



Stamens numerous. 

 Stamens 4. Ovary 2-celled. 

 Stamens 10. Ovary 1-celled. 



HYDRANGE.E, 151 



RUIZOPHORACE.E, 135 



MYRTACKS, 130 



COKNACF.K 167 



COMBKETACEJE, 136 



ARALIACE^E, 166 



POME.E, 118 

 HAMAMELACE.E, 156 



CORNACE^, 167 



