8. Calymperes serratum A. Braun ex C. Müll. 齿边花叶藓 chi-bian hua-ye xian
Syn. Musc. Frond. 1: 527. 1849. Type. Indonesia: Java, Junghun s.n. (isotype H).
Plants dark green, unbranched, in low dense tangles, with stemless appearance. Stems very short; rhizoids glossy blackish red. Leaves monomorphic, curled when dry and with bases conspicuously pale, straight when wet, linear above slightly broader base, to l3 mm long but mostly shorter, with abundant pale axillary hairs with longest median cells mostly less than twice as long as wide; costa percurrent or short-excurrent, smooth; cells of upper laminae unistratose, mostly or partly transversely elongate, smooth abaxially and adaxially; margins thickened, toothed in two rows; teniolae lacking; distal cells of cancellinae gradually blending with adjacent green cells of upper laminae. Gemmae infrequent, adaxial on leaf tip, roughened, irregularly branched. Sporophytes not seen.