In some Rosaceous plants an epicalyx is present, due to the formation of stipulary structures by the sepals.
3
In these cases the base may give off lateral stipulary processes, as in Allium and Alyssum calycinum.
4
The laminar portion of a leaf is occasionally articulated with the petiole, as in the orange, and a joint at times exists between the vaginal or stipulary portion and the petiole.
5
The sheathing or stipulary portion is frequently wanting.
6
When there are three stamens in a bundle we may conceive the lateral ones as of a stipulary nature.