on various animal and vegetable substances The effects of substances
not containing soluble nitrogenous matter on the glands Pinguicula
grandiflora Pinguicula lusitanica, catches insects Movement of the
leaves, secretion and digestion.
CHAPTER XVII.
UTRICULARIA.
Utricularia neglecta Structure of the bladder The uses of the several
parts Number of imprisoned animals Manner of capture The bladders
cannot digest animal matter, but absorb the products of its
decay Experiments on the absorption of certain fluids by the quadrifid
processes Absorption by the glands Summary of the observation on
absorption Development of the bladders Utricularia
vulgaris Utricularia minor Utricularia clandestina.
CHAPTER XVIII.
UTRICULARIA (continued).
Utricularia montana Description of the bladders on the subterranean
rhizomes Prey captured by the bladders of plants under culture and in a
state of nature Absorption by the quadrifid processes and glands Tubers
serving as reservoirs for water Various other species of
Utricularia Polypompholyx Genlisea, different nature of the trap for
capturing prey Diversified methods by which plants are nourished.
INSECTIVOROUS PLANTS.
CHAPTER I.
DROSERA ROTUNDIFOLIA, OR THE COMMON SUN-DEW.
Number of insects captured Description of the leaves and their
appendages or tentacles Preliminary sketch of the action of the
various parts, and of the manner in which insects are captured Duration
of the inflection of the tentacles Nature of the secretion Manner in
6