| Chapter I. | Twining Plants | 1 |
| 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 | |
| Rate of revolution in various plants | |
| Thickness of the support round which plants can twine | |
| Species which revolve in an anomalous manner | |
| Chapter II. | Leaf-Climbers | 45 |
| Plants which climb by the aid of spontaneously revolving and sensitive petioles | |
| Clematis | |
| Tropoeolum | |
| Maurandia, flower-peduncles moving spontaneously and sensitive to a touch | |
| Rhodochiton | |
| Lophospermum, internodes sensitive | |
| Solanum, thickening of the clasped petioles | |
| Fumaria | |
| Adlumia | |
| Plants which climb by the aid of their produced midribs | |
| Gloriosa | |
| Flagellaria | |
| Nepenthes | |
| Summary on leaf-climbers | |
| Chapter III. | Tendril-Bearers | 84 |
| Nature of tendrils | |
| Bignonjaceae, 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 | |
| Polemoniaceae | |
| Coboea scandens. much branched and hooked tendrils, their manner of action | |
| Leguminosae | |
| Compositae | |
| Smilaceae | |
| Smilax aspera, its inefficient tendrils | |
| Fumariaceae | |
| Corydalis claviculata, its state intermediate between that of a leaf-climber and a tendril-bearer | |
| Chapter IV. | Tendril-Bearers--continued | 127 |
| Cucurbitaceae | |
| Homologous nature of the tendrils | |
| Echinocystis lobata, 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 movement of the extremity of the tendril | |
| Hanburya, adherent discs | |
| Vitaceae | |
| 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 | |
| Sapindaceae | |
| Passifloraceae | |
| Passiflora gracilis | |
| Rapid 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 | |
| Chapter V. | Hook and Root-Climbers.--Concluding Remarrs | 183 |
| 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 | |
| Index | 207 |
