26 INTRODUCTION 
blossom in the legitimate way they alight upon 
the outside of the flower along the middle of the 
calyx-tube, biting a hole through it and stealing 
the nectar. 
pieced = 
PASTURE THISTLE 
The Dandelion, the White Daisy and the 
Thistle are examples of still another type of 
flower structure. These are typical representa- 
tives of the great family of composite flowers, in 
which a large number of tiny flowers, called 
