FERTILIZATION. 179 



The flower of the ox-eye daisy, or the dandelion, consulting Figs, 110, 

 131, 164, 165, 166 



Fig. 164. — Flower-Cluster of Bachelor's Button (Centaurea Cyanua). 



The flower of the crocus, the blue-eyed grass, or the .iris, consulting 

 Figs. 167 and 168.1 



1 For descriptions and illustrations that will aid in the work of this section the 

 teacher is referred to Gray's Structural Botany, Gray's Field, Forest, and Garden 

 Botany, Le Maout and Decaisne's Traiti GinS-al de Botanique, and Miss Newell's 

 Outlines of Lessons in Botany, Part U. 



