154 PARTICULAR FORMS OF FLOWERS 



REVIEW. How do flowers vary in form? How are the various 

 parts determined in disguised flowers? What are 5-merous and 3-merous 

 flowers? What are some of the'common forms of gamopetalous corollas? 

 Describe a labiate flower. Personate. Lily flower. Papilionaceous 

 flower. What are monadelphous and diadelphous stamens? Describe 

 a mallow flower. Orchid flower. Spathaceous flower. Compositous 

 flower. If grass flowers are studied in class, describe one of them. 

 What do you understand by the terms hypogynous, perigynous, epi- 

 gynous? How do flowers become double? What is meant by doubling 

 in compositous flowers? In snowball and hydrangea? 



285. Cultivated snowball, in which all the 

 flowers in the cluster have become 

 large and showy. 



