DICOTYLEDONES 231 



Order 146. Samydaceae. 



147. Homaliaceae. 



148. Loasaceae. 



149. Turneraceae. 



150. Passifloraceae. 



151. Malesherbiacege. 



152. Papayaceae. 



153. Cucurbitaceae. 



154. Begoniaceae. 



155. Datiscaceae. 



Cohort 4. — Ficoidales. 



Characters. — Stamens generally numerous, epigynous or 

 perigynous. Leaves simple when present ; exstipulate. Stem 

 usually fleshy. 



Order 156. Cactaceae. 



157. Mesembryanthaceae or Ficoidaceae. 



Cohort 5. — Umbellales. 



Characters. — Stamens few, epigjuous. Gynoecium syn- 

 carpous, ovary mferior, ovules solitary, pendulous; styles sur- 

 rounded at the base by an epigj^nous disc. Seeds albuminous. 

 Leaves exstipulate. 



Order 158. Umbelliferae. 



159. Araliaceae. 



160. Cornaceae. 



161. Garryaceae. 



162. Alangiacese. 



Sub-Class III. — Gamopetal^ or Coeollifloe^. 



The petals are coherent and the stamens are in nearly all cases 

 attached to the tube of the corolla. Ovary usually syncarpous. 

 This sub- class is divided by Bentham and Hooker into 3 series, 

 each comprising Cohorts and Natural Orders as under : — 



Series 1. — iNFEEiE or Epigyn^. 

 Ovary Inferior. 



Cohort 1. — Ruhiales. 



Characters. — Stamens epipetalous and alternate with the 

 lobes of the corolla. Ovary 1- or more-celled, but usually 2- 

 celled. Cells of the ovary with 1— many ovules. Seeds 

 albuminous. Leaves generally opposite. 



