CONTEXTS. xi 



movement Secretion, digestion, and absorption Action of the secre- 

 tion on various animal and vegetable substances The effects of sub- 

 stances not containing soluble nitrogenous matter on the glands 

 Pinguicula graudiflora Pinguicula lunitanica, catches insects Move- 

 ment of the leaves, secretion and digestion . . Pages 298-319 



CHAPTER XVIL 



Utkiculaeia. 



Utrieularia 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 quad- 

 rifid processes Absorption by the glands Summary of the observa- 

 tions on absorption Development of the bladders Utrieularia vul- 

 garis Utrieularia minor Utrieularia dandestina . . . 320-348 



CHAPTER XVIII. 



Uteiculakia (continued). 



Utrieularia VMntana 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 Utrieularia Polypompholyx Grenlisea, different nature of the 

 trap for capturing prey [Sarracenia] Diversified methods by which 

 plants are nourished 348-368 



Index 36&-3r6 



