DICOTYLEDONES— COKOLLIFLOE^ 



407 



Stamens 2 or 4, didynamous. Corolla ir- 

 regular. 

 Ovary 2-celled, not lobed. Placentas 



axile . . . . Scrophulariacece. 



Ovary 2 — 4-celled, lobed , Verhenacece. 



Stamens 4 or 5, not didynamous. 

 Cells of ovary each witli 1 or 2 ovules. 



Fruit a capstde . . . . ConvolvulacetB 



Cells of ovary each with many ovules. 

 Fruit a double follicle . Apocynaceas. 



Fruit 2- or imperfectly 4-celled. 



Leaves alternate . . . Solanacecs. 



Fruit 1- or imperfectly 2-celled. 



Leaves opposite . . . Gentianace<B. 



Fruit 3-celled . Polevioniacece. 



