14 BOTANY FOR BEGINNERS. [Ch. Il. 
27. 2d. That which treats of the different parts of the plants 
and their uses; this is Physiological Botany. 
Fig. 1. 
28. In beginning to 
study Botany, it is best to 
examine first the parts ot 
a flower. 
29. Here 1s a lily, Fig. 
1; that-part of it which 
@ you would call the blos- 
S\ soms, is the corolla ;* 
this is composed of sia 
parts, each of which is 
called a petal. 
30. There are within 
the corolla six thread- 
like organs; these are 
called stamens ; examine 
them as they appear at 
Fig. 2. You see that one 
part, as at a, is long and 
slender; this is called 
the filament, from filwm, 
a thread. At bd isa little 
knob which is hollow like 
a box; this is the anther. 
* So called from the Latin corolla, a little crown. 
27. What is physiological Botany ? 
28. What is the best way of beginning the study of Botany ? 
29. What are the botanical names of the blossom of a lily and its 
parts. ‘ 
30. Describe the stamens and their parts, 
