IGNIS FATUUS n.
A phosphorescent light that appears, in the night, over marshy ground, supposed to be occasioned by the decomposition of animal or vegetable substances, or by some inflammable gas; -- popularly called also Will-with-the-wisp, or Will-o'-the-wisp, and Jack-with-a- lantern, or Jack-o'-lantern.
INDIAN n.
ed in the West Indies. (b) See China pink, under China. -- Indian pipe (Bot.), a low, fleshy herb (Monotropa uniflora), growing in clusters in dark woods, and having scalelike leaves, and a solitary nodding flower. The whole plant is waxy white, but turns black in drying. -- Indian plantain (Bot.), a name given to se…
INVISIBLE a.
isible, or dimly seen In these thy lowest works. Milton. Invisible bird (Zoöl.), a small, shy singing bird (Myadestes sibilons), of St. Vincent Islands. -- Invisible green, a very dark shade of green, approaching to black, and liable to be mistaken for it.
IVY n.
era helix). -- German ivy (Bot.), a creeping plant, with smooth, succulent stems, and fleshy, light-green leaves; a species of Senecio (S. scandens). -- Ground ivy. (Bot.) Gill (Nepeta Glechoma). -- Ivy bush. (Bot.) See Mountain laurel, under Mountain. -- Ivy owl (Zoöl.), the barn owl. -- Ivy tod (Bot.), the ivy p…