12 KEY AND FLORA 
** Ovary 2-4-celled. 
+ Cells each 1-seeded. 
Ovary deeply 4-lobed . . . . 
Ovary not deeply lobed. 
Stamens 2 or 4 . ac es 
Stamens8 . . . . . . 
“tt Cells each 2-several-seeded. 
Corolla lobes imbricate in the bud 
Corolla lobes convolute inthe bud. 
(c) Ovary inferior. 
Flowers in an involucrate head . . 
Flowers not in heads. 
Stamens 3. 
Leaves opposite Re aah ae Me 
Leaves alternate . . . 
Stamens 4-5. 
Leaves alternate . . . . 
Leaves opposite or whorled . 
FAMILY 
. 88. Mint . . 
87. Verbena . 
53. Polygala . 
90. Figwort . 
93. Acanthus . 
. 100. Composite 
97. Valerian 
98. Gourd . 
. 99. Campanula 
. 95. Madder 
. 237 
. 227 
