ALLIANCES OF PLANTS. 



205 



Alliance 2. Meliales. ^Estivation of calyx imbricated ; car- 

 pels four or more. 



Stamens combined into a 77. 



tube. Seeds wingless. 

 Stamens somewhat mona- 78. 



delphous. Seeds winged. 

 Stamens monadelphous, 79. 



with a dilated connective. 

 Leaves dotted. Fruit sue- 80. 



culent. 

 Stamens growing to the 81. 



calyx. Disk very large. 



Alliance 3. Rhamnales. ^Estivation of calyx valvate ; car- 

 pels fewer than four. 



Stamens opposite the petals 82. Rhamnaceae 



Stamens alternate with the 83. Chailletiaceae 



petals. 

 Anthers opening by pores. 84. Tremandracese. 



Seeds carunculate (537). 

 Somewhat polyandrous. 85. Nitrariaceae 



Leaves succulent. 

 Secreting balsam . . 86. Burseraceae 



Dye (French ber- 

 ries) ; purgative 

 (Buckthorn). 



Poisonous. 



Saline. 



Balsamic (Balm of 

 Gilead). 



Alliance 4. Euphorbiales. ./Estivation of calyx imbricated ; 

 carpels fewer than four. 



Flowers unisexual. Fruit 87. Euphorbiaceae 

 tricoccous. 



Flowers hermaphrodite. 88. Stackhousiaceae. 

 Petals united. 



Seeds indefinite. Petals 89. Fouquieracese. 

 united. 



Flowers hermaphrodite. 90. Celastraceae 

 Petals distinct. 



Leaves compound, with 91. Staphyleaceae. 

 common and partial sti- 

 pules. 



Petals unguiculate. Fruit 92. Malpighiaceae 

 winged. 



Stimulant, purga- 

 tive, poisonous 

 ( Castor oil, Cas- 

 carilla, c$r.) 



Fruit sometimes 

 eatable. 



Fruit sometimes 

 eatable. 



