| 释义 |
‖ Usnea|ˈʌsnɪə|
Pl. usneas, usneæ.
[med.L. (12th cent.), ad. Arab. and Pers. ushnah moss. Hence F. usnée (1530).]
A genus of gymnocarpous lichens, typical of the family Usneidæ; a species or plant of this.
1597Gerarde Herbal iii. clvi. 1369 Muscus quernus;..the Arabians and the Apothecaries call it Vsnea. 1693tr. Blancard's Phys. Dict. (ed. 2), Usnea, Moss which grows upon Bones or Trees. 1706Phillips (ed. Kersey), Usnea, a kind of green Moss..which is us'd in Physick. 1753Chambers' Cycl. Suppl., Usnea,..of this genus of plants there are nineteen known species: 1. The stringy-tree moss, or common Usnea of the shops. Ibid., 19. The smallest of all the Usneas..grows on the barks of old trees. 1857M. J. Berkeley Introd. Crypt. Bot. 417 Usneæ, finally, when well-grown, are perhaps the most beautiful of Lichens. 1857Thoreau Maine W. ii. (1867) 155 The spruce still grows shaggy with usnea. 1861H. Macmillan Footn. fr. Page Nat. 109 So late as the seventeenth century, some of the filamentous lichens were sold in the shops of barbers and perfumers under the name of Usnea.
attrib.1854Thoreau Walden 137 The single spruce stands hung with usnea lichens. 1878H. M. Stanley Dark Cont. II. vii. 204 From many of the branches depended the Usneæ moss in graceful and delicate fringes. |