| 释义 |
hydrodictyon Bot.|ˌhaɪdrəʊˈdɪktɪən|
[mod.L. (A. W. Roth Catalecta Botanica (1800) II. 237), f. hydro- + Gr. δίκτυον net.]
A green freshwater alga of the genus so called; = water-net (water n. 31).
1841W. H. Harvey Man. Brit. Algæ p. viii, Among British Algæ, the only structure analogous to these exists in Hydrodictyon, which grows in the form of a perfect net, with regular meshes. 1872H. C. Wood Fresh-w. Algæ 94 When the hydrodictyon disappear in the fall it is months before they reappear in the spring. 1927West & Fritsch Treat. Brit. Freshwater Algae 101 A new Hydrodictyon-net or Pediastrum-plate is formed..by the asexual method. 1967I. Morris Introd. Algae iv. 50 Hydrodictyon colonies consist of large numbers of cylindrical cells joined terminally with two others to form an open net-like structure. |