4. Hyophila propagulifera Broth. 芽胞湿地藓 ya-bao shi-di xian
Hedwigia 38: 212. 1899. Type. Japan: Hondo, Yedo, Wichura 1396a.
Hyophila okanurae Broth., Ann. Bryol. 1: 18. 1928.
Hyophila naganoi Sak., Bot. Mag. (Tokyo) 67: 41, f. 6. 1954.
Trichostomum uematsui Broth. ex Iish., Cat. Mosses Japan 63. 1929.
Plants very small, only to 5 mm high, yellowish green, in loose or dense tufts. Stems erect, simple, densely foliate in the upper part, radiculose at the base. Leaves crisped when dry, erect-spreading when moist, ovate-ligulate, obtusely apiculate at the apex; margins serrulate in the upper half, entire in the lower half; costa stout, percurrent; upper leaf cells rounded-hexagonal, mammillose; basal cells larger, rectangular, smooth. Sporophytes not seen.