_Standard_, the upper petal of a papilionaceous corolla, 92. _Starch_, 136, 163. _Station_, the particular kind of situation in which a plant naturally occurs. _Stellate_, _Stellular_, starry or star-like; where several similar parts spread out from a common centre, like a star. _Stem_, 39. _Stemlet_, diminutive stem. _Stemless_, destitute or apparently destitute of stem. _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. _Stirps_ (plural, _stirpes_), Latin for race. _Stock_, used for race or source. Also for any root-like base from which the herb grows up. _Stole_, or _Stolon_, a trailing or reclined and rooting shoot, 40. _Stoloniferous_, producing stolons. _Stomate_ (Latin _Stoma_, plural _Stomata_), the breathing-pores of leaves, 144. _Stone-fruit_, 119. _Storage-leaves_, 62. _Stramineous_, straw-like, or straw-colored. _Strap-shaped_, long, flat, and narrow. _Striate_, or _Striated_, marked with slender longitudinal grooves or stripes. _Strict_, close and narrow; straight and narrow. _Strigillose_, _Strigose_, beset with stout and appressed, stiff or rigid bristles. _Strobilaceous_, relating to or resembling a _Strobile_, a multiple fruit in the form of a cone or head, 124. _Strombuliform_, twisted, like a spiral shell. _Strophiole_, same as _caruncle_, 126. _Strophiolate_, furnished with a strophiole. _Struma_, a wen; a swelling or protuberance of any organ. _Strumose_, bearing a struma. _Stupose_, like tow. _Style_, a stalk between ovary and stigma, 14, 80, 105. _Styliferous_, _Stylose_, bearing styles or conspicuous ones. _Stylopodium_, an epigynous disk, or an enlargement at the base of the style. _Sub-_, as a prefix, about, nearly, somewhat; as _Subcordate_, slightly cordate; _Subserrate_, slightly serrate; _Subaxillary_, just beneath the axil, &c. _Subclass_, _Suborder_, _Subtribe_, 178. _Suberose_, corky or cork-like in texture. _Subulate_, awl-shaped; tapering from a broadish or thickish base to a sharp point. _Succise_, as if cut off at lower end. _Succubous_, when crowded leaves are each covered by base of next above. _Suckers_, shoots from subterranean branches, 39. _Suffrutescent_, slightly shrubby or woody at the base only, 39. _Suffruticose_, rather more than suffrutescent, 37, 39. _Sulcate_, grooved longitudinally with deep furrows.