436 PHARMACEUTICAL BOTANY 



Stel'late. Star-shaped. 



Stem. The ascending axis of a plant bearing leaves or leaf modifications. 



Ste'reome. The supporting elements of a fibrovascular bundle. 



Ster'ile. i. Unproductive, as a stamen without anther, flower without pistil, 



or pericarp without seeds. 2. Devoid of living organisms. 

 Steriliza'tion. The process of ridding an object of all living organisms. 

 Stig'ma. That part of a pistil or carpel which receives the pollen. 

 Stipe. The stem of a moss; the stalk of a fern frond; the stalk of a toadstool or 



other fungus. 



Stip'ulate. Possessing stipules. 

 Stip'ule. A modified leaf, usually blade-like and situated at the base of the 



leaf-stalk. 

 Sto'lon. A slender running branch above or below the surface of the soil, either 



capable of taking root or bearing a bulb at its end. 

 Stolonif erous.: Bearing stolons. 



Sto'ma. A breathing pore in the epidermis of higher plants. 

 Stom'ata. Plural for stoma. 



Stomat'al Cham'bei. The intercellular-air-space directly beneath the stoma. 

 Stri'ate. Marked with fine longitudinal lines or grooves. 

 Strigose'. Covered with sharp and rigid appressed hairs. 

 Strob'ile.- A scaly multiple fruit consisting of a scale-bearing axis, each scale of 



which encloses one or more seeds. A cone. 



Style. That portion of a pistil connecting the ovary with the stigma. 

 Stylopo'dium. The fleshy disk directly above the ovarian portion of an Um- 

 belliferous fruit, formed by the expansion of the bases of the two styles. 

 Sub. A prefix of Latin origin meaning under, below, subordinate, nearly or 



partially. 



Su'ber. Cork tissue. 



Subterta'nean. Beneath the surface of the soil. 

 Su'bulate. Narrow and tapering to an acute end. 

 Suc'culent. Soft and juicy or fleshy. 



Suc'ker. A shoot from the root or lower part of the stem or underground stem. 

 Suffru'ticose. Applied to stems or plants that are woody at their base and 



herbaceous above. 



Sul'cate. Having longitudinal grooves. 

 Supe'rior. Said of an ovary that is not adherent to and above the calyx; also 



applied to a calyx which is situated on the upgrown receptacle above the 



ovary or to a tubular calyx whose limb appears to spring from the top of the 



ovary. 

 Suspen'sor. A row of cells, representing the first development of the fertilized 



egg of a seed plant, upon the end of which an embryo is formed. 

 Su'ture. The line of union of two carpels. The line of dehiscence. 

 Swarm Spore. A spore which possesses one or more cilia for movement. 



