36 MANUAL OF NATURE STUDY. 



the top of eacli stamen, that is called the anther. 

 How many anthers are there? The anther is filled 

 with a yellow powder, or very small grains, called 

 pollen. Which way does the anther in the Spring 

 Beauty open? 



The little thread-like stalks that support the 

 anthers are called filaments. How many filaments 

 are there? How many anthers? What are an- 

 thers and filaments together called ? What are the 

 petals together called ? Which whorl is called the 

 calyx ? Which the corolla ? Which the stapiens? 

 How many parts in each whorl ? What are the 

 parts in each whorl called ? 



There is now one thing more fi)r us to learn, and 

 that is, the little stalk, which is large a the bottom, 

 slender in the middle and divided into three parts 

 at the top. This stalk is called the pistil. It 

 looks like the pestle that the druggist uses to mix 

 medicine with. Perhaps that is the reason it is 

 called pistil. (From Latin Pistillum, which means 

 a pestle. The word first came into use for such 

 flowers as those of Fritillaria Imperialis, or crown 

 imperial, where the pistil resembles a pestle and 

 the perianth around it a mortar of an apothecary.) 

 The large part at bottom of flower cup is called 

 ovary, or little seed case, the slender part above is 

 called the style, the three parts at top are called 



