6o THE COLOURS OF FLOWERS. 



(4.) The simpler members of slightly advanced 



families are usually white or pink. 

 (5.) The most advanced members of all families 



are usually red, purple, or blue. 

 (6.) Almost all the members of the most advanced 



families are purple or blue. 

 (7.) The most advanced members of the most 



advanced families are almost always blue, 



unless spotted or variegated. 



