CONTENTS. IX 



CHAPTER XII. 



On the Structuee and Movements of some other 

 Species of Drosera. 



Drosera anglica — Drosera intermedia — Drosera capensis — Drosera 

 spathulata— Drosera filiformis — Drosera Unata — Concluding 

 remarks Pages 278-285 



CHAPTER XIII. 



DlON^A MUSCIPULA. 



Structure of tlie leaves — Sensitiveness of the filaments — Kapid 

 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 — Ee-expansion of the lobes .. 286-320 



CHAPTER XIV. 



Aldrovanda vesiculosa. 



Captures crustaceans — Structure of the leaves in comparison 

 with those of Dionsea— 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. 

 ver^ic^7?ato — Concluding remarks 321-381 



CHAPTER XY. 



DrOSOPHYLLUM — RORIDULA — BVBLIS — GLANDULAR HaiES OF 



OTHER Plants— Concluding Kemarks on the DROSERACEiE. 

 Drosophyllum— Structure of leaves— Nature of the secretion- 

 Manner of catching insects— Power of absorption— Digestion 

 of animal substances— Summary on Drosophyllum— Eoridula 

 — Byblis — Glandular hairs of other plants, their power of 

 absorption — Saxifraga — Primula — Pelargonium — Erica— 

 Mirabilis — Nicotiana — Summary on glandular hairs— Con- 

 cluding remarks on the Droseracese .. :, .. 332-367 



