AUTHORITIES QUOTED, 
Axszor Brpr. Flora Bedfordiensis, by Charles Abbot, M.A,, 
F.L.8. 80, Bedford, 1798. 
Aa. Icon. Ate. Icones Algaram ineditew, auct. Car. A. 
Agardh. 40. Lund, 1846. 
AcarpH Spec. Species genera et ordines Algarum, auct. J. 
G. Agardh. 80. Lund, 1848. 
Aa. Syst. Systema Algarum, auct. C. A. Agardh. 120, 
Lund, 1824. 
Awn, ves Scr. Nar. Annales des Sciences Naturelles, 
Botanique. 6 series. Paris, 1824-1884. 
Any. Nat. Hist. Annals and Magazine of Natural History. 
London, 1838-1884. 
ArcHer Micr. Joury. Various communications by W. Archer, 
in Quarterly Journal of Microscopical Science. London, 
1857-1880. 
Berg. Guean. Gleanings of British Alge, being an Appendix 
to Supplement to English Botany, by Rev. M. J. 
Berkeley. 80., pl. 20. London, 1883. 
Burk. in Garp. Curon. Rev. M. J. Berkeley on Palmella in 
Gardeners’ Chronicle, 1853, p. 515. 
Bras. Axa. Micro. Di alcune Alghe microscopiche, B. Biaso- 
letto. 80., 29 pl. Trieste, 1832. 
Borner & Taur. Nor. Auc. Notes Algologiques, par Ed. 
Bornet, et G. Thuret. Folio. Paris, 1876-1880. 
Borzi Srupr. Studi Algologici, di Antonino Borzi, Part I. 
Messina, 1883. 
Borzi Auc. Fico. Note alla morfologia e biologia delle Alghe 
Ficocromacee, di Antonino Borzi. Three parts, in 
Giornale Botanico Italiano, Vols. x., x1., xiv. 
Bory Barracu. Memoir sur les genres de conferves nommes 
Thorea, Lemanea, Batrachosperma et Draparnaldia, par 
Bory de St. Vincent, in Annales des Museum. 40, 
Paris, 1808, 
