II. Diandria: two stamens; as the jasmine.
III. Triandria: three stamens; as wheat, oats, and grasses in general.
IV. Tetrandria: four stamens; as woodruff.
V. Pentandria: five stamens; as the primrose.
VI. Hexandria: six stamens; as the lily and tulip.
VII. Heptandria: seven stamens; as the horse-chestnut.
VIII. Octandria: eight stamens; as the heaths.
IX. Enneandria: nine stamens; as rhubarb.
X. Decandria: ten stamens; as the pink.
In the next three classes, the stamens exceed ten in number, but differ from each other in certain circumstances.