Classification of Plants 



219 



EE. Stamens 2. 



Shrubs or trees, fruit a berry or cap- 

 sule ...... Oleace.b. 



DD. Leaves mostly alternate (opposite in some 

 Hydvophyllacea:] ; 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.e. 



,, ,, perennial herbs with radi- 



cal leaves ..... Plantaginace.c 



Seeds hanging ; habit various, erect, 



roughly hairy ..... Boraginace.=e. 



EE. Seeds many (few m Rctzia, Solauacar) ; 

 calyx usually persistent. 

 Placentation parietal ; bundles col- 

 lateral ...... Hydrophyllace.e. 



Placentation axile ; bundles bicolla- 



teral ; carpels obliquely inclined . Solanace.'E. 

 CC. Flowers mostly zygomorphic and then 

 stamens frequently one fewer than petals ; 

 infloresceiice cymose or racemose ; leaves 

 mostly opposite (sometimes alternate in 

 Scrophnlariacea: and Verbcnacca:) ; herbs 

 or shrubs. (Cohort Tubiflor^e.) 

 D. Fruit a schizocarp, rarely a drupe. 



Fruit usually a drupe, leaves sometimes 



alternate ...... Verbenace.5. 



Fruit of four one-seeded nuts . . . Labiat.^. 



DD. Fruit a capsule, rarely a berry. 

 E. Seeds many. 



F. Capsule 2 - celled ; placentation 

 axile. 

 Seeds small, endospermous ; leaves 



opposite or alternate . . . Scrophulariace.i. 



Seeds large,winged exendospermous ; 



leaves opposite, usually compound Bignoniace^. 

 FF. Capsule i-celled ; placentation parie- 

 tal, seeds very small. 

 G. Parasites; inflorescence racemose Orobanchace.^. 

 GG. Not parasites. 



Inflorescence cymose, carpels i- 

 celled ..... Gesneriace.e. 



Inflorescence racemose, carpels be- 

 coming 4-celled ; usually horned Martyniace^. 



