80 



SYSTEMATICAL BOTANY. 



59. Placentas parietal ' . 

 Placentas in the axis . . 62 



60. Flowers with a coronet 



PASSIFLORACE^. 

 Flowers without a coronet . 61 



61. Leaves circulate when young 



DROSERACE-E. 

 Leaves straight when young 



VIOLACE.E. 



62. Flowers unisexual EUPHORBIACE.E. 

 Flowers hermaphrodite or polyg. 63 



63. Sepals 2 . . PORTULACACE.E. 

 Sepals more than 2 .64 



64. Fruit with a long beak 



GERANIACE^. 

 Fruit without a beak . . 65 



65. Styles distinct to the base . 66 

 Styles more or less united . 72 



66. Petals minute . . .68 

 Petals conspicuous . . 69 



68. Stigmas capitate . ELATINACE.E. 

 Stigmas simple . ILLECEBRACE^E. 



69. Calyx valvate . EL.SOCARPACEJE. 

 Calyx imbricated . .70 



70. Stamens hypogynous 



MALPIGHIACE^;. 

 Stamens perigynous . .71 



71. Leaves opposite . CUNONIACE^;. 

 Leaves alternate . SAXIFRAGACE.E. 



72. Calyx imbricated . . 73 

 Calyx valvate or open . .77 



73. Stamens monadelphous OXALIDACEJJ. 

 Stamens distinct . .74 



74. Calyx surrounded with double 

 glands .i ., . MALPIGHIACELE. 



Calyx simple . . .75 



75. Leaves simple ZYGOPHYLLACKE. 

 Leaves compound . . 76 



76. Flowers unsymmetrical SAPINDACE^E. 

 Flowers symmetrical 



STAPHYLEACE.E. 



77. Stamens opposite the petals . 78 

 Stamens alternate with petals . 79 



78. Stamens perigynous . RHAMNACE^E. 

 Stamens hypbgynous . VITACE^E. 



79. Anthers opening by pores 



EL^EOCARPACE^E. 

 Anthers opening by slits . 80 



80. Petals split . CHAILLETIACE.E. 

 Petals undivided . BURSERACE.E. 



81. Carpels disunited . . 82 

 Carpels consolidated . .93 



82. Anthers with recurved valves 



BERBERACEJ3. 



Anthers with straight valves . 83 



83. Fruit leguminous . . 84 

 Fruit not leguminous . . 85 



84. Radicle next hilum . FABACE^. 

 Radicle remote from hilum 



CoNNARACEiE. 



85. Leaves dotted . AMYRIDACE.E. 

 Leaves not dotted . .86 



86. Carpels solitary . ANACARDIACE^S. 

 Carpels several . . .87 



87. Carpels with hypog. scales . 88 

 Carpels without ditto . . 89 



88. Hypogynous scales simple 



CRASSULACE^. 

 Hypogynous scales double 



FRAXCOACE.E. 



89. Herbaceous plants RANUNCULACE^E. 

 Trees or shrubs . . .90 



90. Flowers unisexual MENISPERMACEJE. 

 Flowers hermaphrodite . 91 



91. Stamens perigynous 



CALYCANTHACE.S. 

 Stamens hypogynous . . 92 



92. Stamens indefinite . ANONACE.E. 

 Stamens definite . CORIARIACE^E. 



93. Placenta dissepimental 



NYMPH.EACE.E. 



Placenta parietal . .94 



Placenta axile . . .99 



94. Stamens tetradynamous 



BRASSICACE^E. 

 Stamens not tetradynamous . 95 



95. Hypogynous disk large . 96 

 Hypogynous disk small or . 97 



96. Stamens indefinite CAPPARIDACE^E. 

 Stamens definite . RESEDACILE. 



97. Sepals tubular . FRANKENIACE.E. 

 Sepals distinct ' . . 98 



98. Sepals 2-3 . PAPAVERACEJE. 

 Sepals 5 . . TURNERACEJE. 



99. Brown parasites MONOTROPACEJE. 

 Green rooting plants . .100 



100. Styles distinct . . .101 

 Styles consolidated . .105 



101. Stain, polyadelphous HYPERICACE.E. 

 Stamens free . .102 



