REPRODUCTIVE ORGANS 
121 
ages of various kinds, which lay hold of animals brushing 
past, and so the seeds are dispersed. Common illustrations 
are Spanish needles, beggar ticks, stick seeds, burdock, etc. 
Study Figs. 124, 125, 126, 127, 128, 129, 130. 
FIG. 128. Fruits with grappling appendages. That to the left is agrimony ; that to 
the right is Galium. After KEENER. 
In still other cases the fruit becomes pulpy, and attrac- 
tive as food to certain birds or mammals. Many of the 
seeds (such as those of grapes) may be able to resist the 
attacks of the digestive fluids and escape from the alimen- 
tary tract in a condition to germinate. As if to attract the 
attention of fruit-eating animals, fleshy fruits usually 
become brightly col- 
ored when ripe, so that 
they are plainly seen 
in contrast with the 
foliage. 
82. Dispersal of pol- 
len spores by insects. 
The transfer of pollen, 
the name applied to FlG - 129 - Fruits with Dappling appendages. 
. The figure to the left is cocklebur ; that to the 
Certain spores Of Seed- right is burdock.-After KEKNER. 
