CHAPTER XIII.

DIONAEA MUSCIPULA.

Structure of the leaves--Sensitiveness of the filaments--Rapid movement
of the lobes caused by irritation of the filaments--Glands, their power
of secretion--Slow movement caused by the absorption of animal
matter--Evidence of absorption from the aggregated condition of the
glands--Digestive power of the secretion--Action of chloroform, ether,
and hydrocyanic acid- -The manner in which insects are captured--Use of
the marginal spikes--Kinds of insects captured--The transmission of the
motor impulse and mechanism of the movements-- Re-expansion of the
lobes...286-320


CHAPTER XIV.

ALDROVANDA VESICULOSA.

Captures crustaceans--Structure of the leaves in comparison with those
of Dionaea-- Absorption by the glands, by the quadrifid processes, and
points on the infolded margins-- Aldrovanda vesiculosa, var.
australis--Captures prey--Absorption of animal matter-- Aldrovanda
vesiculosa, var. verticillata--Concluding remarks...321-331


CHAPTER XV.