| 释义 |
black-grass
[black a. 1.]
1. A species of rush (Juncus Gerardi) growing in salt-marshes. U.S.
1782H. St. John de Crèvecœur Lett. of American Farmer vi. 159 The best mowing grounds in the island, yielding four tons of black grass per acre. 1872Schele de Vere Americanisms 408 Salt-hay, a very important product of salt-marshes, is of two principal sorts, called salt-grass and black-grass.
2. A species of foxtail grass, Alopecurus agrestis.
1798W. Curtis Flora Lond. II. Plate 16 note, The Farmer also distinguishes the Alopecurus agrestis..by the name of Black Grass. 1840Farming at Scoreby in Husbandry (Libr. Useful Knowl.) III. 6 ‘The black grass’..is a very noxious weed. |