xxxu 



INTRODUCTION. 



Stamens separate, alternate with the petals. 

 Herbs. Loavos alteruiito Calyx deciduous. Capsule 1-celled. 



Leaves oppu^ite. Cul>x persistent. Capsule 2 - 4-cellcd. 

 Trees or shrubs. 

 Fruit a double samara. Leaves opposite. Styles 2. 

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



Ovary 2-6-celled. Seeds with albumen. > 

 Fruit a capsule. Capsule fleshy. Seeds arilled. ) 



Capsule 3-cclled, inflated. Leaves trifoliolate. 

 Capsule 2-celled, 2-beaked Leaves simple. 



TUR\ERACE/E, 146 

 LYTIIIIACEJE, 133 



ACKIJACE^. 80 

 ANACAltDlACEiE, 68 



CELASTIlACEiE, 75 



STAl'HYLKACE/E, 77 

 ESCALLOMEiE, 151 



<+ ++ Sta7nens more, numerous than the 

 Ovaries more than one. 

 I^eaves alternate, stipulate. 

 Leaves alternate, exstipulatc. Succulent herbs. 

 Leaves opposite, exstipulate. Sepals and petals numerous. 

 Ovary solitary, 1-relled. 

 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-celIed. 

 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. 



ROSACEA, 117 



CRASSULACEiE, 149 



CALYCANTIUCEiE, 129 



CURTSOEALANE^E, 118 

 AMYtiDALEiE, 118 

 LEGUMlNOSiE, 86 



LYTIIRACEiE, 133 



BUUSr.IiACEiE, 67 



SAPINDACE.E, 78 



SAXlFKAGACEiE, 151 



ACKUACEiT;, 80 



EUPIIOKIUACIO.T, 399 



MALPlGUIACEiE, 81 



Uerbs. 

 Ovary 1-celled. 



Calyx adherent to the ovary. 



Capsule and 2-lobed calyx circumscissilo. PORTULACACE.^, 43 



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



Ovary 2 - 6-cellcd. 

 Style single. Anthers opening by a terminal pore. Leaves ribbed. MELASTOMACE/E, 131 



Anthers opening lengthwise. Leaves ribless. 

 Styles or stipcmaa 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 monoucious. Fruit uut-likc. Leaves whorled. 

 Shrubs or trees. 

 Leaves opposite. 

 Fruit dry, %-ariously dehiscent, many-seeded. 

 Fruit indeliiscent, 1 -2-.'^ecded. 

 Stipules between t!ic petioles. 

 Stipules none. Iyc:ives dotted. Stamens numerous. 



T.H.'aves dotless. Stamens 4. Ovary 2-colled. 

 Leaves dotless. Stamens 10. Ovary l-ccUcd. 

 Loavc.4 nltomatc. 



Flowers uiiilicllcd Leaves compound. 

 Flowers not iiiiibi-rcd. 

 Lcavcti Ktipuluto. Fruit fleshy or baccate, Indchlsccnt. 



Fruit dry, woody, 2-valvcd. ' 

 Leaves onsliiiulntc. 

 Vlowcrs tliu.'ciiju.H. Lirujiu baccato. Storilo flowers apetalous 



ONAGRACEiE, 137 



UMBELLIFER.^, 157 

 ARALlACEiE, 166 



S.\XIFRAGACEiE, 151 

 UALORAGEJE, 137 



nYDRANGE.?E, 151 



RiriZOPIIOIlACE.'E, 135 



MYKTACK.'E, 130 



COUNACK.i:, lf)7 



COMUUETACE/E, 130 



ARAMACE.'E, IGO 



POIMEvT;, 118 

 II.\MAMEI,.\(;E.E, 156 



C0UXACE./E, 1G7 



