12 KEY AND FLORA 



** Ovary 2-4-celled. Family Pa(;e 



t Cells each 1-seeded. 



Ovary deeply 4-lobed 88, Mint . . . .209 



Ovary not deeply lobed. 



Stamens 2 or 4 87. Verbena . , . 207 



Stamens 8 53. Polygala . . .145 



1 1 Cells each 2-several-seeded. 



Corolla lohes imbricate in the bud . . . 90. Figwort . . . 217 

 Corolla lobes convolute in the bud . . . 93. Acanthus . . . 224 

 (c) Ovary inferior. 



Flowers in an involucrate head 100. Composite . . 239 



Flowers not in heads. 

 Stamens 3. 



Leaves opposite 97. Valerian . . . 235 



Leaves alternate 98. Gourd .... 236 



Stamens 4-5. 



Leaves alternate 99. Campanula . . 237 



Leaves opposite or whorled 95. Madder . . . 227 



