. Algæ. Vol. I. Myxophyceæ, Peridinieæ, Bacillarieæ, Chlorophyceæ, together with a brief summary of the occurrence and distribution of freshwat4er Algæ . ll 1 There are no known saprophytic Myxophycese, with the exception of Oscillatoria decolorataG. S. West (Journ. Bot. 1899, p. 263; see also MeKeever in Trans. Edin. Field Nat. andMicroscop. Soc. Nov. 1911, p. 370). 2 Some of the original material of Chroothece Richterianum Hansg. was issued in Wittrock& Nordstedts Alg. Exsic. in 1884. The author has to thank Dr Borge of the BotanicalMuseum at Stockholm for kindly sending the specimens, and M
. Algæ. Vol. I. Myxophyceæ, Peridinieæ, Bacillarieæ, Chlorophyceæ, together with a brief summary of the occurrence and distribution of freshwat4er Algæ . ll 1 There are no known saprophytic Myxophycese, with the exception of Oscillatoria decolorataG. S. West (Journ. Bot. 1899, p. 263; see also MeKeever in Trans. Edin. Field Nat. andMicroscop. Soc. Nov. 1911, p. 370). 2 Some of the original material of Chroothece Richterianum Hansg. was issued in Wittrock& Nordstedts Alg. Exsic. in 1884. The author has to thank Dr Borge of the BotanicalMuseum at Stockholm for kindly sending the specimens, and Miss Acton for making carefulpreparations of them in the botanical laboratory of the University of Birmingham. 3 The cytological structure has been carefully examined by the author in the followingspecies: A. africana G. S. West, A. antarctica W. & G. S. West and A. smaragdina (Reinsch)Forti, and found to be similar to that of some of the larger species of Chroococcus. The cells ofA. halophila (Hansg.) Ferti also appear in the living state to be like those of Chroococcits, butthis species has not been examined cytologically. 40 Myxopliycese.
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