Myxophycese, Osoillatoriese, Trichodesmium. 203 



Schmidt), Iiidicuin et ins. Comores (Thiebaut), oceanimi Paoificiim 

 prope Novam Calecioniam (Balansa), La Libertad apud S. Salvador 

 America3 contralis (Hinds), oceannm Atlanticum ad oras Brasi- 

 lienscs (Wittrock et Nordstedt, Plankton I^Lxpedition), Australiam 

 orientalem (Sonder, Exp. Gazelle, Askenasy) ad <^Singapoor» (Exp. 

 Novara, Grunow, Frauenfeld !}, Javani (Von Martens), ad litora 

 ins. « Maldive » ot Malesia? passim (Cleve). 



2. Trichodesmium Hildebrandtii Gom. Monogr. p. 197, t. Vr, f. 1, T. 636 

 Ehrenbergii forma indica llauck in Hedwigia vol. XXVII, Hft. 4, 



p. 93, 1888, Trichodesmium indicum Lemmerm. Ergebn. Reise 

 Pacif. (1899) p. 395. — Fasciculis 2-5 mm. longis, siccitate luteo- 

 fuscis vel fusco-viridibus; trichomatibus ad genicuia liaud constri- 

 ctis, apice breviter attenuatis, 13-22 [i. crassis ; articulis diam. tri- 

 chomatis semper et usque 3-plo brevioribns, contentu tenui-gra- 

 nuloso vel homogeneo farctis. 



Hab. mare Indicnm ad ins. Ceylonam (Thwaites, Ferguson, 

 Mac Vicat), Singapore (Exped. Novara), Madagascar (Hildebrandt), 

 mare Siamense prope litora ditionis «Koh-Chang» (Johs, Schmidt), 

 prope litora Malesim (Weber van Bosse). 



3. Trichodesmium Thiebautii Gom. Ess. de class. in Journ. de Bot. IV, 537 

 p. 356, 1890, Monogr. p. 197, t. VI, f. 2-4, Wille Schizoph. d. 

 Plankt. Exped. p. 57. Oscillaria pelagica Falkenb. in Mittheil. d. 

 Zool. Stat. aus Neapel Hft. II, p. 224 (1879), Heliothricum radians 

 Wille in Schiitt Ptlanzenl. der Hochsee 1893, p. 30-40, Kirchn. 



in E. et P. Nat. Pfl. Myxoph. p. 66. — Fasciculis ad 6 mm. longis, 

 siccitate fusco-viridibus ; trichomatibus in media parte fascicu- 

 lorum funiformi-contortis, extremum versus solutis, ad genicula 

 haud constrictis, apice breviter attenuatis aut interdum inflatis, 

 7-16 {A. crassis; articulis diam. trichomatis ad 2-plo longioribus, 

 rarius subquadratis, 8-26 [x. longis, contentu grosse granuloso, dis- 

 sepimenta s^epe obducente farctis. 



Hab. oceanum atlanticum ad insulas Canarias (Thwaites) et 

 passim (Cleve, Plankton Expedition, Barber); Guadalupam (Thi^- 

 baut); Sinnm Neapolitanum (Falkenberg, Schroeder); oceanum 

 Pacificum inter insulas Laysan et Hawaii (Schauinsland), Atlanti- 

 cum, Indicum et Malayanum (Cleve), mare Caraibicum ad Puerto 

 Caballo (Ostenfeld), mare Rubrum (Ostenfeld, J. Schmidt). 



4. Trichodesmium tenue Wille Die Schizophyceen der Plankton Expe- 533 

 dition p. 61, t. I, f. 24-27. — Filamentis 8-7 [j.. diam., singulis vel 



in fasciculis uudique radiantibus consociatis, articulis diam. 1-4- 



