Origination of Varieties 



21 



how the lip has dropped and exposes the stigmatic 

 surface (Fig. LV, B, 2). 



FIG. LV. STYLE-BRANCHES 



A, Style-branch from bud just unfolding; 



1, Stigmatic lip erect. 



B, Style-branch from fully opened flower; 



2, Stigmatic lip dropped. 



Explanation of the process of pollination will be 

 more readily understood, by one having no previous 

 knowledge of the subject, after an examination of the 

 plan of an Iris flower (Fig. XX, page 130), and the 

 illustration of a bee pollinating a flower (Fig. XL, 

 page 144). 



The operator should have a pair of stout tweezers, 

 a camel-hair brush a soft feather will do and a 

 small dish for the anthers and their pollen a watch- 

 glass or an individual butter-dish will answer ad- 

 mirably. A pen-knife or a small fine-pointed scissors 

 will do instead of tweezers, but tweezers will be found 

 to be more convenient. Having selected the flower to 

 be pollinated (usually called "seed parent" or "pod- 

 parent"), as soon as the tips of the falls begin to unroll 



