CHAPTER VI 



FLOWERS 



Parts of Representative Flower. — A representative flower 



such as shown in Fig. 21 

 has the following parts 

 taken in order from the 

 outside to the inside: 



1. Calyx, made up of 

 sepals, which are green, 

 and enclose the other 

 flower parts in the bud. 



2. Corolla, made up of 

 petals, which are usually 

 the colored portions of the 

 flower. 



3. Stamens, each made 

 up of a stalk or filament 

 at the tip of which is 

 the anther, bearing pollen 



5"*^v^ V^^X^Q ^ Pistil, which has a 



,^ swollen basal portion, (i) 



\^^y\j If . the omr'^, (2) a style, slen- 



^^^^^^"^^ (k W der stalk leading from the 



ovary, and terminating in 

 (3) a stigma, which is re- 

 ceptive to pollen. Within 

 the ovary are the young 

 ovules, the bodies which become seeds. 

 48 



Fig. 21. — Flax. A, floral diagram — 

 c, calyx; co, corolla; s, stamens; p, pistil. 



B, median lengthwise section of flower. 



C, calyx and corolla removed. D, fruit, 

 external view. E, cross-section of fruit. 



