192 BOTANY FOR BEGINNERS CH. xiv 



The floral diagram is a graphic way of representing the flower in 

 ground plan. 



QUESTIONS ON CHAPTER XIV. 



(1) Explain the term "torus." What is its shape in the Daisy and 

 the Buttercup ? 



(2) Define the terms fc complete " and "perfect." Mention flowers 

 which are perfect but incomplete, and others which are imperfect. 



(3) What do you understand by hypogynous, perigynous and epigy- 

 nous flowers? Give two examples of each. (1898.) 



(4) Describe and compare the perianth of Helleborus (Christmas 

 Rose), Anemone, and Ranunculus (Buttercup). (1898.) 



(5) Describe the position and the general structure of the ovary in 

 the Buttercup, the Primrose, and the Daffodil. (1897.) 



(6) Explain, with examples, the meaning of the terms marginal, 

 axile, and parietal placentation. (1894.) 



(7) Explain, with examples, the meaning of the following terms 

 applied to stamens diadelphous, tetradynamous, didynamous, syn- 

 genesious, epipetalous. (1890.) 



(8) Describe and compare the flowers of the Narcissus and the 

 Hyacinth. (1893.) 



(9) Describe, with examples, the papilionaceous, the labiate, and the 

 personate types of corolla. (1891.) 



(10) What is meant by " zygomorphic symmetry " ? Give examples. 



