QUILLWORT n.
Any plant or species of the genus Isoetes, cryptogamous plants with a cluster of elongated four-tubed rushlike leaves, rising from a corm, and containing spores in their enlarged and excavated bases. There are about seventeen American species, usually growing in the mud under still, shallow water. So called from the sh…
SAND n.
llied species. -- Sand darter (Zoöl.), a small etheostomoid fish of the Ohio valley (Ammocrypta pellucida). -- Sand dollar (Zoöl.), any one of several species of small flat circular sea urchins, which live on sandy bottoms, especially Echinarachnius parma of the American coast. -- Sand drift, drifting sand; also, a…
SPOROPHORE n.
That alternately produced form of certain cryptogamous plants, as ferns, mosses, and the like, which is nonsexual, but produces spores in countless numbers. In ferns it is the leafy plant, in mosses the capsule. Cf. Oöphore.
VASCULAR a.
ants, that is, the phænogamous plants, all of which are vascular, in distinction from the cryptogams, which to a large extent are cellular only. Vascular plants (Bot.), plants composed in part of vascular tissue, as all flowering plants and the higher cryptogamous plants, or those of the class Pteridophyta. Cf. Cellula…
WITCH n.
fungus. Maunder (Treas. of Bot.) -- Witches' butter (Bot.), a name of several gelatinous cryptogamous plants, as Nostoc commune, and Exidia glandulosa. See Nostoc. -- Witch grass (Bot.), a kind of grass (Panicum capillare) with minute spikelets on long, slender pedicels forming a light, open panicle. -- Witch meal (…