Pith
Videos
Pith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which in some cases can store starch. In eudicotyledons, pith is located in the center
Elder shoot cut longitudinally to show the broad, solid pith (rough textured, white) inside the wood (smooth, yellow tinged). Scale in millimeters.
The tiny central dark spot (diameter: about 1 millimeter (0.039 in)) in this yew wood is the pith.
Rushlight
Videos
A rushlight is a type of candle or miniature torch formed by soaking the dried pith of the rush plant in fat or grease. For several centuries, rushlights were a common source of artificial light for p
Pith
…of pith (such as elder or mullein). Dried pith (which is actually the center of the leaf) of certain rush plants soaked in fat or grease, held using a rushlight, was used as home lighting. Beginning in the 17th century, it would continue to be used in this method until the mid-20th century. It saw a brief revival…
Rushlight fixture with a wooden base
Examples of rushlight fixtures