PLATE XVII. 



Fig. 



1. Codiseum variegatum (" Croton ") . Leaf with a long- 



stalked ascidial outgrowth from its lower surface. 

 (Original.) p. 198. 



2. Brassica oleracea (Cabbage). Two " pitchers/' one 



sessile and the other long-stalked, springing from 

 the upper surface of a leaf. Is, lower surface ; us, 

 upper surface. (Original.) p. 196. 



3. Richardia Elliottiana (Yellow Arum Lily). A foliage- 



leaf partially transformed into a bract (spathe), and 

 closely approximated to the normal spathe. (Gr. S. 

 Saunders.) p. 184. 



4. Ficus benghalensis (species of Fig). A leaf having a 



basal pocket on its lower side, constituting a " hypo- 

 ascidium." Is, lower side; us, upper side. (Ori- 

 ginal.) pp. 198-199. 



5. Pelargonium zonale (" Geranium"). A pitcher-shaped 



leaf (" epiascidium ") bearing a small secondary 

 " pitcher " on its lower surface. (Original.) p. 199. 



