300 APPENDIX. 



4. Sepals and Petals. 



Life. How long is their duration ? What term defines it? 

 Number. How many are there ? 

 Place. Define carefully their aestivation. 

 Form. Describe the pattern of their outline. 

 Nectary. Describe it, if conspicuous. 

 Lip. What is the special form of the lip, if any? 

 Corona. Describe its situation, parts, and form. 



5. The Stamens. 



Number. How many? definite, or indefinite? 

 Place, as to the adjacent organs are they opposing? alternating ? etc. 



Are they exserted ? included ? connivent ? 



Are they ascending ? declining ? 



Why are they hypogynous? Why epipetalous ? etc. 



How connected Gynandrous? Syngenecious ? 



Diadelphous ? Monadelphous ? etc. 

 Construction. Of what members are they composed? 



What member is lacking when sessile ? sterile ? 



Are they didynamous? tetradynamous? 



6. Anther. 



Place. How is it attached to the filament? Which way does it face? 

 Dehiscence. How does it open ? In what direction? 

 Construction. In how many cells is it divided ? What appendages 

 are there? 



Form. What term defines their shape? 



7. Pollen, Pollinia. 

 Form. Describe the pollen, or pollinia, as to form and quality. 



8. The Style. 



Niimber. How many styles? Are they united or separate? 

 Place. How situated on the ovary ? In what posture? 

 Form. What term describes their form ? 



9. The Stigma. 



Number. How many stigmas? 



Place. How attached to the style ? When is the stigma sessile ? 



Form. Of its many shapes, which is this ? 



