nil CONTENTS. 



hooked tendrils, their manner of action Leguminos^; 

 Composites Smilacejs Smilax aspera, its inefficient 

 tendrils Fumariacees Corydalis claviculata, its state 

 intermediate between that of a leaf-climber and a tendril- 

 bearer Pages 84-126 



CHAPTER IV. 



Tendril-Bearers continued. 



Cucurbitace-ej Homologous nature of the tendrils Echino- 

 cystis lohata, remarkable movements of the tendrils to avoid 

 seizing the terminal shoot Tendrils not excited by contact 

 with other tendrils or by drops of water Undulatory move- 

 ment of the extremity of the tendril Hanburya, adherent 

 discs Vitacejs Gradation between the flower-peduncles 

 and tendrils of the vine Tendrils of the Virginian Creeper 

 turn from the light, and after contact develop adhesive 

 discs Sapindacees Passifloracees Passiflora gracilis 

 Eapid revolving movement and sensitiveness of the tendrils 

 Not sensitive to the contact of other tendrils or of drops of 

 water Spiral contraction of tendrils Summary on the 

 nature and action of tendrils ,. 127-182 



CHAPTER V. 



Hook and Root-Climbers. Concluding Remarks. 



Plants climbing by the aid of hooks, or merely scrambling over 

 other plants Root-climbers, adhesive matter secreted by the 

 rootlets General conclusions with respect to climbing plants, 

 and the stages of their development 183-206 



index 207 



