Wiktionary
osmundine
n. (context botany English) The roots of ferns of the genus ''Osmunda'', used in growing orchids etc.
Usage examples of "osmundine".
Supplies-pots, sand, sphaguum, leafmold, loam, osmundine, charcoal, and crocks were kept in an unheated and unglazed room in the rear alongside the shaft where the outside elevator came up.
Supplies-pots, sand, sphaguum, leafmold, loam, osmundine, charcoal, and crocks were kept in an unheated and unglazed room in the rear alongside the shaft where the outside elevator came up.
Upstairs, in the plant rooms on the roof, glazed in, where Wolfe kept his ten thousand orchids, I found him in the middle room turning some off-season Oncidiums that were about to bud, while Horstmann fussed around with a pot of charcoal and osmundine.