INTROnUCTION. 



Stamen!) separate, nltornatc with the petals. 

 Herbs. Loaves alternate Calyx deciiluous. 



Leaves oppucito. (Jul^x pursistout. 

 Trees or shrubs. 

 Fruit a double samara. Ix;avc9 opposite. 

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



Ovary 2-6-cclled. Seeds with albumen, l 

 Fruit a capsule. Capsule fleshy. Seeds arilled. ) 



Capsule 3-celIed, Inflated. Leaves trifoliolate. 

 Capsule 2-celled, 2-beaked Leaves simple. 



Capsule 1-celled. 

 Capsule 2 - 4celled. 



Styles 2. 



TUKNEUACE.1!, 14fl 

 LYTHRACE^, 138 



ACKRACE/T, 80 

 ANACAHDIACE.K, 68 



CELASTRACE-E, 76 



STAPinLEACE/T:, 77 

 E9CALL0NIE.K. 151 



petals. 



■w ++ Stamens more numerous than the 

 Ovariey more than one. 



Leaves alternate, stipulate. 

 Leaves alternate, cx.stipulate. Succulent herbs. 

 Leaves opposite, exstipulate. Sepals and petals numerou.s. 

 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, oppo.sito 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. 



„ , .(- ^- Calyx adherent to the ovary. 



Herbs. 



Ovary 1-colled. Capsule and 2-lobed calyx circumscissile. PORTULACACE^E, 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.^, 131 



rosaoe.t:, 117 

 crassl'lace.k, 149 



CALYCANTIUCE.a:, 129 



CIIRTSOBALANE^, 118 

 AMVGDALE.i;, 118 

 LEGUM1N0S.S;, 86 



TA*THRACE.E, 133 



BUKSEHACE,?:, 67 



SAPlNDACEiE, 78 



SAXIFRAGACEiE, 161 



ACERACE.E, 80 



EUPHOKHTACE^, 399 



MALPlGHIACEiE, 81 



Anthers opening lengthwise. Leaves ribless. 

 Styles or stigmas 2 or more. 

 Flowers umbelled. Fruit dry, sep.-irating into 2 pieces. 



Fruit berry-like, of 2 -6 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-sceded. 

 Stipules between the petioles. 

 Stipules none. Loaves 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 dicecious. Drupe baccate. Sterile flowers apetalous. 



Stamens numerous. 

 Stamens 4. Ovary 2-celled. 

 Stamens 10. Ovary l-celled. 



ONAORACE.B, 137 



UMBELLIFER^, 157 

 ARAL1ACE.E, 166 



SAXIFRAGACE.?;, 1.51 

 HALORAGE^, 137 



HTDRANGEJE, 151 



nniZOPHOHACE-'E, 135 



MYRTACE.E, 130 



COUNACE.E, 167 



COMBRETACE.!:, 136 



ARALIACEiB, 166 



VOMEJE. 118 

 IIAMAMELACE.E, 156 



CORNACE^, 167 



