12 



ELEMENTS OF BOTANY. 



Cells each 2-several-seeded. 

 Fruit with a long curved beak 

 Fruit uot prominently beaked. 

 Corolla lobes imbricated in the bud 

 Corolla lobes convolute in the bud 

 Ovary inferior. 

 Flowers in an involucrate head. 



Juice milky 



Juice watery or resinous 

 Flowers not in heads. 

 Stamens 3. 

 Leaves alternate .... 



Leaves opposite 



Stamens 4-5. 

 Leaves alternate .... 

 Leaves opposite or whorled 



114. Marty niaceae. 



111. Scrophulariacese. 



115. Acanthaceae. 



122. Cichoriaceae. 

 128. Compositae. 



120. CucurbitacesB. 

 119. Valerianacere, 



121. Campaiiiilaceae. 

 117. Rubiacese. 



