Drymoglossum
(from drymos, a wood, and glossum, a tongue; alluding to the place of growth and the form of the fronds). Wood Tongue Fern. ORD. Filices. A genus of small creeping stove Ferns. Fronds dimorphous. Sori as in Taenitis. For culture, see Ferns.
D. carnosum (fleshy). rhiz. wide-creeping, filiform. fronds, barren ones sub-orbicular or elliptical, 1in. to 2in. long, 3/4in. broad; fertile ones linear-spathulate, 2in. to 3in. long, 1/8in. broad, both narrowed to the base. sori in a line midway between the edge and midrib; when young, covered with stalked peltate scales. East Himalayas.
D. c. subcordatum (sub-cordate). A variety having smaller fronds (the barren ones roundish, sub-sessile), thinner texture, and the sori nearer the midrib. China and Japan.
D. piloselloides (Pilosella-like). rhiz. filiform, creeping. fronds, barren ones roundish, 1/2in. to 2in. long, 1/2in. to 3/4in. broad; fertile ones linear-oblong, 2in. to 4in. long, 1/8in. to 1/4in. broad; both are narrowed to the base. sori in a broad continuous sub-marginal line; the capsules mixed with stellate paraphyses. East Indies, &c., 1828. (H. G. F. 46.) D. rigidum (rigid). fronds, barren ones 1in. to 1 1/4in. long, half as broad, obovate, entire, with thickened edges, on firm erect stems 1in. long; the fertile ones 4in. to 5in. long, 1/8in. broad, narrowed into a stem about as long as itself. sori in a deep groove between the broad midrib and edge. Borneo.