A popular history of British seaweeds : comprising their structure, fructification, specific characters, arrangement, and general distribution, with notices of some of the fresh-water algae / by D. Landsborough.
- David Landsborough
- Date:
- 1857
Licence: Public Domain Mark
Credit: A popular history of British seaweeds : comprising their structure, fructification, specific characters, arrangement, and general distribution, with notices of some of the fresh-water algae / by D. Landsborough. Source: Wellcome Collection.
398/464
![bright dots formed a crescent of sea-gems, adorning the fan. Under this amber-coloured portion there was a pellucid band, the lower part of the fan being amber-coloured, like the upper. Aided by a microscope, the whole was so beau- tiful that a lady to whom I showed a portion of Licmophora thus magnified, said she could not fall asleep for a long time that night, as the lovely fans seemed ever before her eyes; and when she did sleep, she dreamed of them. What adds to the wonders of these Diatomacece is, that they are partly formed of flint, which they extract from the waters, so that, though seemingly frail, they are imperishable ! Genus CY. SCHIZONEMA, Agardk. Gen. Char. Erustules in longitudinal series or scattered, and enclosed within a simple or branched, gelatinous, or membrana- ceous frond, composed of one or several tubes.—The name is from two Greek words signifying to divide and a thread, as the typical species are formed, as it were, by dividing the frond.—Harvey. ] . SCHIZONEMA OBTUSUM, GrCVlllc. Hab. Parasitic on small Algse in the sea. Frith of Forth, Dr. Greville; Appin, Captain Carmichael; Torquay, Mrs. Griffiths; coast of Antrim, Mr. D. Moore; Leith, D. L., jun. 2. SCHIZONEMA HELMINTHOSUM, ChaUV.](https://iiif.wellcomecollection.org/image/b28083933_0398.jp2/full/800%2C/0/default.jpg)


