| 释义 |
‖ hypnum Bot.|ˈhɪpnəm|
Pl. hypnums, hypna.
[mod.L., ad. Gr. ὕπνον (Theophr.) ‘moss growing on trees’.]
A large genus of pleurocarpous mosses; feather-moss.
1753Chambers Cycl. Supp. s.v., The branches of the Hypnums are usually spread about upon the ground, and are perennial. Ibid., The family of the Hypna is very numerous. 1837Johnston in Proc. Berw. Nat. Club I. No. 5. 155 Amongst hypna in spongy places. 1857Thoreau Autumn (1894) 138 One whole side, the upper, was covered with green hypnum. |