APPENDIX 



539 



II. FORMS OF SYMPETALOUS COROLLA 



FIG. 4 



Bell-shaped corolla of 

 bell-flower (C'am- 

 panula) 



FIG. 5 



Sah'er-shaped corolla of 

 jasmine (magnified) 



FIG. 6 



Wheel-shaped 

 corolla of 

 potato 



FIG. 7 



Tubular corolla, from 

 head of bachelor's 

 button 



FIG. 8 



Labiate or ringent 

 corolla of dead 

 nettle 



