The small pulvini of the leaflets, by similar changes of the distribution of turgidity, take up their respective position.s after receiving the stimulus.
In some cases the two sides of the pulvini vary their turgidity in.
The use of blind arches as an external decoration, and of brick cornices with the points of the bricks projecting like the teeth of a saw, the use of pulvini (cushions) above the capitals of columns and under the spring of an arch, &c. &c., the use of round arches springing direct from these cushions, spherical pendentives, &c.
20) a sensitiveness is located in the pulvinus which upon irritation induces a depression of the whole bipinnate leaf, a similar property exists in the pulvini at the base of the leaflets which fold upwards.
How would you define pulvini? Add your definition here.