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APPENDIX. 



Place. Are they erect ?—appressed ?— loose ? etc. 

 Form. Define their outline, margin, apex. 

 Qualities. What texture ?— surface ?— color ? 



§ 4. Receptacle. 



Fortn. Is the receptacle flat ? — convex ? — conical ? 

 Quality. Is it naked ?— chaffy ?— bristly ?— alveolate ? 



§ 5. Rays, or Ray Flowers. 



Ahimber. How many ? — in how many rows ? 

 Kind. Are they perfect ? — ^ ? — ? ? — sterile ? — fertile ? 

 /^?r>^z. Are they ligulate ?— tubular ? — linear ? — oblong? etc. 

 Quality. What is their color ? 



§ 6. Disk Flowers. 



Number. Can they be easily counted ? 

 Kind. Are they perfect ? — 5 ? — $ ? — fertile or sterile ? 

 /tr;;/. Are they tubular ? — 4-toothed ?— 5-toothed ? 

 Quality. Of what color ? 



§ 7. Stigmas. 

 /'/<a!c^. Are they straight ? — incurved ? — recurved ? 

 Form. Are they flat ?— terete ? — pointed ? — truncate ? 

 Quality. How is their surface clothed ? 



§ 8. Fruit (— achenia or cypsela). 



Form. Describe its shape, whether linear, terete, compressed, etc. 

 Quality. What of its surface, and color ? 



§ 9. Pappus. 



Life. Is the pappus deciduous or persistent on the fruit ? 

 Nmnber. Of how many bristles or scales. 

 Construction. Is it stiped ? or simple ? or double? 

 Form. Is it capillary ? scaly ? plumous ? barbed ? 

 Quality. What is the color ? 



V. ON THE FLOWER REGION OF THE SEDGES AND 

 GRASSES. 



§ 1. Inflorescence (general). 

 Place. Are the flowers axillary, or terminal, or both ? 



