CONTENTS. 



CHAPTER I. 



Twining Plants. 



Introductory remarks Description of the twining of the Hop 

 Torsion of the stems Nature of the revolving movement 

 and manner of ascent Stems not irritable Eate of revolu- 

 tion in various plants Thickness of the support round 

 which plants can twine Species which revolve in an anoma- 

 lous manner Pages 1-44 



CHAPTER II. 



Leaf-Climbers. 



Plants which climb by the aid of spontaneously revolving and 

 sensitive petioles Clematis Tropoeolum Maurandia, flower- 

 peduncles moving spontaneously and sensitive to a touch 

 Kliodochiton Lophospermum, internodes sensitive Sohtnum, 

 thickening of the clasped petioles Fumaria Adlumia 

 Plants which climb by the aid of their produced midribs 

 Gloriosa Flagellaria Nepenthes Summary on leaf- 

 chmbers 45-83 



CHAPTER III. 



Tendril-Bearebs. 



Nature of tendrils Bignoniaceje, various species of, and their 

 different modes of climbing Tendrils which avoid the light, 

 and creep into crevices Development of adhesive discs 

 Excellent adaptations for seizing different kinds of supports 

 Polemoniacejb Cobcea scandens, much branched and 



