| 释义 |
‖ Ulva Bot.|ˈʌlvə|
[L. ulva sedge.]
An alga forming the typical genus of the order Ulvaceæ; the laver or sea-lettuce.
1706Phillips (ed. Kersey), Ulva, Reet, or Weed of the Sea, Sea-grass; also Weeds growing in Pools, or standing Waters. 1753Chambers' Cycl. Suppl. s.v., Bauhine makes the Ulva a purple sea-moss allied to the alga. 1850Miss Pratt Comm. Things of Sea-side ii. 160 The Ulvæ, or Lavers, are flat green leaves, very transparent, and easily torn, and when laid on paper are scarcely thicker than gold-beater's skin. 1857J. G. Wood Com. Obj. Sea Shore 44, I found that the ulva had risen in the water, and was hanging in most elegant festoons from the surface. 1871Kingsley At Last i, Here and there floated large fronds of a lettuce-like weed, seemingly an ulva. |