MANUAL OF NATURE STUDY. 
147 
and give a few lessons on the bee and its apparatus 
peculiarly adapted for carrying pollen. Have the 
children examine with a good hand lens the third 
leg of the bee. The first tarsal joint bears regular 
rows of stiff straight hairs, on which the pollen 
grains are collected. The stickier and heavier the 
pollen the better will it adhere to the bee. Com¬ 
stock says of the bee: “ The worker is our common 
acquaintance, the dull-black and gold-colored com¬ 
panion of our walks, that we watch with interest 
as she ransacks the flowers of a garden or a way- 
side for her booty of nectar or pollen, now bending 
low a violet or clover blossom, now plunging 
headforemost into a hollyhock or lily, from which 
she emerges dusty with the gold of pollen doors 
which barred her way to nectar chambers.”— 
Comstock's Manual for the Study of Insects, page 
674. 
Returning to the flowers, is there anything 
about the shape and arrangement of the violet 
flower that injures its chances for self-fertilization ? 
Is the pollen suitable for wind-fertilization ? 
Why? Do these hindrances to self-fertilization 
and wind-fertilization become helpful to insect-ferti¬ 
lization ? How ? Study bleeding heart, columbine, 
larkspur, lily of the valley, snap dragon, horse- 
chestnut, lilac, white clover, red clover, milk weed, 
pea, bean, locust and wistaria in same way. The 
