ARTIFICIAL KEY. 



1. Stamens free from one another (or 

 slightly conniving in Solanaceae). 



a. Stamens alternate with the petals or 

 corolla lobes. 



i. Ovary superior. 



t Leaves opposite. Juice not milky. 



a. L. 2-3- pinnate. Small tree with a 

 raceme of large irregular flowers 



B. h. simple. 

 Herbs. Ovary 1 or imperfectly 2-celled. 

 Ovules many . . 



Trees or shrubs. Ovary 2-4-celled. Ovules 

 many superposed (seeds 1-many) . 



Trees. Ovary 2-4-celled. Ovules not more' 

 than 4 ..... . 



ft L. opposite. Trees or shrubs with 

 milky juice . 



ttt Leaves alternate. 



a. Ovules 1-2 in each ovary cell, not 

 superposed. 



Twiners, ravely erect, juice sometimes 

 milky ...... 



Trees or shrubs, rarely herbs • 



/3. Ovules numerous on two swollen 

 placentas ..... 

 ii. Ovary inferior. 



Trees, shrubs, or herbs with opposite simple 

 leaves and interpetiolar stipules. Fls. 

 sometimes aggregated in heads 



Oroxylum 



(p. 413) 



Gentianaceae 



(p. 420; 

 Loganiacese 



(p. 419) 



Verbenaceae 

 (Tectona, 

 ^allicarpa) 

 (P- 476) 

 Apocynacese 



(p. 423) 



107 



