Myxophycene, Lyngbyene, Phormidinm. ^51 



Alg. II, p. 105, Wolle Freshw. Alg. of U. S. p. 313, Osc. limosa 

 e hicolor Kuetz. Sp. p. 243, Phorm. Boryanum -; Kuetz. Sp. Alg. 

 p. 251 (•?), Pliorm. fonticola [i pulchtnim Kuetz. Sp. Alg. p. 251, 

 Ph. (vruginosum [3 tome Kuetz. Sp. Alg. p. 254, Ph. Corium y 

 incvqualc Kuetz. Sp. Alg. p. 257 p. p., Osc. physodes Rab. Alg. 

 exs. n. 49, Osc. viridis Itz. et Rothe in Rab. exs. n. 120, 0. an- 

 tliaria Auerswald in Rab. exs. n. 278! FI. Eur. Alg. II, p. 100 

 p. p., 0. nigra Hantzscii in Rab. exs. n. 1116! 0. uncinata forina 

 olimscens Hantzsch in Rab. exs. n. 925! ffide Goni.), 0. antliaria 

 d physodes Rab. FI. Eur. Alg. II, p. 101, 0. limosa a kete ceru- 

 ginosa Rab. FI. Eur. Alg. II, p. 105 p. p., 0. limosa c rufa 

 Rab. FI. Eur. Alg. II, p. 105, Phorm. subfuscum Heufl. in Rab. 

 exs. n. 1792! non (Ag.) Kuetz., Ph. membranaceum Wittr. in W. 

 et Nordst. exs. fasc. II, n. 96 b (fide Goni.), 0. irrigua Ardissone 

 iu Erb. critt. it. ser. II, n. 714! p. p., 0. limosa Richt. in H. et 

 Richt. Phyk. univ. n. 34 (fide Gom.), Oscillaria tenuis [3 limicola 

 Hansg. in W. et Nordst. exs. fasc. XVI, n. 786 a. — Strato late 

 expanso, atrovirenti aut fusco vel rufo-nigrescenti, adh;t!renti vel 

 basi affixo, crassius laciniato; filis rectis aut subflexuosis; vaginis 

 mucosis, atlglutinantibus, distinctis vel in niucuin amorphuni dif- 

 fluentibus, chloroz. jodur. non caerulescentibus; trichomatibus airu- 

 gineis, ad genicula non constrictis, 6-9 {j-. crassis, apice breviter 

 attenuatis, eximie capitato-curvatis aut breviter spiralibus; articulis 

 diam. 2-3-pIo brevioribus, raro subquadratis, 2-6 |i. longis ; disse- 

 pimentis frequenter granulatis; cellula apicali calyptram rotundatam 

 aut deprcsso-conicam praibento. 



Hab. in aqua dulci Norvegi:e (Nordstedt), Sueciju (C. et .T. 

 Agardh, Simmons, BoHi.iN, WiTTROCK, Nordstedt), Danios (Schmidt), 

 Anglia3 (West), ins. Faeroensium (Boergesen), Belgii (Bory), Gal- 

 Ii<B (De Brebisson, Thuret, Mougeot, Gomont), Sabaudiie prope 

 « Etrembieres » (Theobald), Germanise (von Martens, Mettenius, 

 VoLK etc), HelvetiiB ad Basileam (Borge), Hungariae (Markus), 

 Austriae (Beck), RumaniiB (Istvanffi), Tyrolioe (Hansgirg, Dalla 

 Torre), Carpathorum montlum (Kalchbrenner, Veselsky), Galiciie 

 ad «Makow» (Gutwinskd, Carinthiii;, Dalmatise (Hansgirg), Istria^ 

 (Agardh, Kuetzing, Hansgirg), Italite ad Mutinam (Macchiati) 

 et in Verona (Forti), Indiiij (Turner), Africa^ borealis (Sauvageau, 

 Debray), Groenlandife (Boergesen), ditionum Connecticut, Mas- 

 sachussetts et Alaska America^ borealis (Holden, Saunders, Set- 

 CHELLj, Fuegia; Amer. mer. (Borge), «Retencao Rio Purus» Amer. 



