CONTENTS. 9 



PART III.— PLANTS THAT CONSUME ANIMALS. 

 Chapter VIII. 



DTEICULAEIA CLANDESTINA. 



PAQIt 



Introductory. — Description of Utricularia Clandestina. — How I be- 

 came Interested in the Study of Utricularia. — Manner in which 

 Animals are Entrapped. — Death and Maceration of the Victims . 139 



Chapter IX. 



IS THE VALVE OF UTRICULARIA SENSITIVE? 



Forced to Differ with Mr. Darwin in his Conclusions with Regard to 

 the Sensitiveness of the Valve of Utricularia. — Description of IT. 

 Inflata. — Condensed Translation from the German of Schacht by 

 Professor Goodale, of Harvard University. — Description of XJ. Pur- 

 purea. — Formation of the Valve. — Glands and Quadrifid Proc- 

 esses. — How my Experiments were Conducted. — Eggs of Mosquito. 

 — Eggs of Chironomus-fly. — Extracts from Mr. Darwin's Book, 

 " Insectivorous Plants." — Manner in which Mosquito and Chirono- 

 mus LarvEe are Caught. — Evidence of the Sensitiveness of the 

 Valve. — Extract from a Letter received from Mr. Darwin . . . 14V 



Chapter X. 



PINGUICULA. 



Relation of Pinguicula to Utricularia. — Description of the Florida 

 Pinguiculas. — Microscopic Studies of the Plants. — Experiments 

 with P. Pumila. — Experiments with P. Lutea and P. Elatior. — 

 Flowers following the Sun. — Prey Caught by Pinguicula.— Pin- 

 guicula a Vegetable Barometer 163 



Chapter XL 



DROSERA. 



Description of Drosera. — Range and Number of Species in the 

 United States. — Extract from "Insectivorous Plants," showing 

 that Drosera feeds like an Animal. — Search of D. FUiformis. — 

 Where Found.— Prey captured by D. Filiformis. — Experiments 

 with D. ffiliformis, D. Zongifolia, and D. Botimdifolia. — Summary 

 of Experiments . _. 1V4 



