Vm CONTENTS. 



hooked tendrils, their maimer of action — LEGruiNosiE; — 

 Composite — SmiLACKai — SmSax aspera, its inefficient 

 tendrils — FuMAEiACEiB — Corydalis clavicidata, its state 

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

 bearer ; Pages 84-126 



CHAPTEE IV. 



Tendkil-Beabers — continued. 



CnouEBiTAOE^ — Homologous nature of the tendrils — Echino- 

 cysHs Idbata, 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 — Banhurya, adherent 

 discs — ViTAOEa — 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 — SAPlNDACEas — ^PABSlPLOBAOBai — Passiflora gracilis — 

 Eapid revolving movement and sensitiveness of the tendrils 

 — Not sensitive to the contact of other tendrHs or of drops of 

 water — Spiral contraction of tendrils — Summary on the 

 nature and action of tendrils .. .. 127-182 



CHAPTEE V. 



Hook and Eoot-Climbeks. — Conoludino Eemaeks. 



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

 other plants — Koot-climbers, adhesive matter secreted by the 

 rootlets — General conclusions with respect to climbing plants, 

 and the stages of their development .. .. .. 183-20G 



Index 207 



