Stenos, Greek for narrow; hence Stenophyllous, narrow-leaved, &c.

Sterile, barren or imperfect.

Stigma, the part of the pistil which receives the pollen, [14], [80], [105].

Stigmatic, or Stigmatose, belonging to the stigma.

Stipe (Latin Stipes), the stalk of a pistil, &c., when it has any, [112]; also of a Fern, [158], and of a Mushroom, [172].

Stipel, a stipule of a leaflet, as of the Bean, &c.

Stipellate, furnished with stipels, as in the Bean tribe.

Stipitate, furnished with a stipe.

Stipulaceous, belonging to stipules. Stipulate, furnished with stipules.

Stipules, the appendages on each side of the base of certain leaves, [66].