Classification of Plants 



19 



EE. Stamens 2. 



Shrubs or trees, fruit a berry or cap- 

 sule Oleace^. 



DD. Leaves mostly alternate (opposite in some 

 HydrophyllacecB) ; carpels 2 (rarely 

 three to five) syncarpous ; inflorescence 

 mostly cymose. 

 E. Seeds usually few, 2-1 in each carpel ; 

 fruit frequently separated into 3-4-5, 

 i-seeded compartments. 

 Seeds erect, climbing or trailing . . Convolvulace^. 

 „ ,, perennial herbs with radi- 

 cal leaves Plantaginace^. 



Seeds hanging ; habit various, erect, 



roughly hairy ..... Boraginace^. 

 EE. Seeds many (few in Retzia, Solanacece) ; 

 calyx usually persistent. 

 Placentation parietal ; bundles col- 

 lateral Hydrophyllace^. 



Placentation axile; bundles bicolla- 

 teral ; carpels obliquely inclined . Solanace^. 

 CC. Flowers mostly zygomorphic and then 

 stamens frequently one fewer than petals ; 

 inflorescence cymose or racemose ; leaves 

 mostly opposite (sometimes alternate in 

 Scrophulariacece and Verbenacece) ; herbs 

 or shrubs. (Cohort Tubiflorae.) 

 D. Fruit a schizocarp, rarely a drupe. 



Fruit usually a drupe, leaves sometimes 



alternate Verbenacece. 



Fruit of four one-seeded nuts . . . Labiate. 

 DD. Fruit a capsule, rarely a berry. 

 E. Seeds many. 



F. Capsule 2 - celled ; placentation 

 axile. 

 Seeds small, endospermous ; leaves 



opposite or alternate . . . Scrophulariace^. 

 Seeds large.winged exendospermous ; 



leaves opposite, usually compound Bignoniace^. 

 FF. Capsule i-celled ; placentation parie- 

 tal, seeds very small. 

 G. Parasites ; inflorescence racemose OROBANCHACEiE. 

 GG. Not parasites. 



Inflorescence cymose, carpels i- 



celled GesneriacEcE. 



Inflorescence racemose, carpels be- 

 coming 4-celled ; usually horned Martyniace^. 



