IRIS FAMILY I5i 
In addition to the common species of Blue- 
eyed Grass some botanists recognize two others: 
namely, the Stout Blue-eyed Grass and the Eastern 
Blue-eyed Grass. 
OBSERVATIONS FOR NOTEBOOK 
BLue Frac: 
(A) 1. 
Il. 
12, 
In what situations have you found the Blue 
Flag growing? 
How early did the first blossoms appear? 
Are there any hairs upon the plant? 
Do you know of any aquatic plant that is 
provided with hairs? 
Can you suggest a reason for their absence? 
How does the structure of the pistil differ from 
that of most flowers? 
Of what advantage is it that the stigma is on 
the outside of the little flap hanging down 
from the lobe of the style, instead of being 
on the inside? 
How does the structure and position of the 
stigma and anther lead to cross-pollination 
when bees visit the flowers? 
What insects have you seen visiting the flow- 
ers? 
Do butterflies get the nectar without coming 
in contact with either the stigma or the 
anther ? 
Are there any nectar guides upon the petals? 
What sort of a fruit pod develops on the Blue 
Flag after the flowers go by? 
