DICOTYLEDONES— COROLLIFLOR.E 



407 



Stamens 2 or 4, didyuamous. Corolla ir- 

 regular. 

 Ovary 2-celled, not lobed. Placentas 

 axile ....... 



Ovary 2 — 4-celled, lobed 

 Stamens 4 or 5, not didynamous. 



Cells of ovary each with 1 or 2 ovules. 

 Fruit a caj)sule . . . . . 



Cells of ovary each with many ovules. 

 Fruit a double follicle 

 Fruit 2- or imperfectly 4-celled 



Leaves alternate . 

 Fruit 1- or imperfectly 2-celled 



Leaves opposite . 

 Fruit 3-celled .... 



Scrophulariacece. 

 Verhenacece. 



ConvoIvulacecB 



Apocynacece. ■ 



SolanacecB. 



Gentianacece. 

 Polemoniacece. 



