QUESTIONS. 299 



What term defines the apex ? or base ? 



The margin is it dentate ? serrate ? entire ? etc. 

 Size. State their measurements. 

 Quality. Describe their surface-quality, or clothing. 



5. The Petiole. 

 Form, etc. State the form, size, and quality of the petiole. 



. 6. The Stipules. 



Life, etc. State their duration, kind, and form. 



III. ON THE FLOWER REGION OF ANY FLOWERING PLANT 



(EXCEPT THE COMPOSITES, SEDGES AND GRASSES). 



1. Inflorescence. 



Place. Define the position and posture of the flowers. 



Kind. In general, is the inflorescence solitary, or centripetal ? etc. 



In particular, is it a raceme ? spike ? spadix ? 

 Appendages. Name the flower-stalks, if any. 



Describe the bracts, if any. 



The involucre the involucels. 



Point out the scales the pales. 



Point out the rachis the torus. 



2. The Flower. 



Number. What is the radical number of the flower? 



Construction. Name all its organs. How many are there of each ? 



Is it complete? What is lacking? 



Is it regular? How irregular? 



Is it symmetrical ? How unsymmetrical ? 



Why polypetalous, or gamopetalous ? 



Distinguish the torus the disk. 



3. The Calyx and Corolla, or Perianth. 



Form. Is it polyphyllous ? Are its leaves united? 



What term defines the special form ? 

 Quality. In surface, is it smooth? hairy? granular? 



What term or terms define the color? 



