ABSTRACT

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