Fiate XII. 



LEAF FORMS. 



41 



General subject Name each of them. Instances of each. Define Cordate I between fi^. 2 and 8 — i and 9—18 and 14 ? How is fig, 8— IT— 18 f How Is the 

 -Ovate — Spatnlate — Acerose — Sagittate— Eh omboidal— Connate. Difference Venation in these leaves? "What, then, do thpy indicate, Endogens or Exogensf 



