||Thal"lus (?), n.; pl.
Thalli (#). [NL., fr. Gr. &?; young shoot or branch,
frond.] (Bot.) A solid mass of cellular tissue, consisting of
one or more layers, usually in the form of a flat stratum or expansion, but
sometimes erect or pendulous, and elongated and branching, and forming the
substance of the thallogens.
||Thal"lus (?), n.; pl.
Thalli (#). [NL., fr. Gr. &?; young shoot or branch,
frond.] (Bot.) A solid mass of cellular tissue, consisting of
one or more layers, usually in the form of a flat stratum or expansion, but
sometimes erect or pendulous, and elongated and branching, and forming the
substance of the thallogens.