+Dispersion of Fruits and Seeds+ 227
Dispersion by hooks and spines—Martynia—Testa—Di Quaglia—
Burdock—Bedstraw—Dispersion by winged seeds or achenes—
Sycamore, pinus tribe, birch—Dispersion by silky down or
hairs—Dandelion, goat’s-beard, groundsel—Willow-herb—Bird
agency—Seas and rivers—Dispersion by elastic force—Pansy—
Balsam—Furze—Broom—Squirting cucumber—Dispersion by
hygrometric sensitiveness—Barley—Feather-grass—Mexican
insect—Dispersion by sticky glands—Linnæa Borealis—Salvia
glutinosa—Plumbago—Ground-nut self-buried.