General Key to the Families 



Stamens in one series. 

 ttStamens alternate with the corolla-lobes 

 and as many in number or fewer (species 

 of Fraxinus and Forestiera in the Olive 

 Family have no corolla). 

 Ovaries 2; stamens mostly joined only to the base 

 of the corolla. 

 Stamens fewer than the corolla -lobes, usually 

 only 2, the corolla sometimes wanting; styles 

 short or none. 

 Stamens as many as the corolla-lobes; styles 

 and stigmas united. 

 Ovary i, compound; stamens mostly joined to the 

 corolla-tube at or above the middle. 

 Fruit drupaceous, or of 4 nutlets or achenes; 

 seeds usually solitary. 

 Corolla regular; stamens 5; styles separate 



or united by pairs. 

 Corolla irregular; stamens 4; styles distinct. 

 Fruit a berry or capsule; seeds numerous. 

 Corolla regular; stamens 5. 

 Corolla irregular; fertile stamens 4, or fewer. 

 Seeds not winged; placentae axile. 

 Seeds broadly winged; placentae parietal. 

 2. Ovar}' inferior. 

 Leaves with stipules; foliage usually blackening 



in drying. 

 Leaves without stipules, or with stipules adnate 

 to the petiole; foliage usually not blackening in 

 drying. 



Storax Family. 



PAGE 



791 



Olive Family. 

 Dogbane Famly. 



Madder Family. 



Honeysuckle Family. 



794 

 816 



FiGWORT F.'VinLY. 830 



Trumpet Creeper Family. 832 



840 



848 



