‖ Ulva Bot.
(ˈʌlvə)
[L. ulva sedge.]
An alga forming the typical genus of the order Ulvaceæ; the laver or sea-lettuce.
| 1706 Phillips (ed. Kersey), Ulva, Reet, or Weed of the Sea, Sea-grass; also Weeds growing in Pools, or standing Waters. 1753 Chambers' Cycl. Suppl. s.v., Bauhine makes the Ulva a purple sea-moss allied to the alga. 1850 Miss 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. 1857 J. 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. 1871 Kingsley At Last i, Here and there floated large fronds of a lettuce-like weed, seemingly an ulva. |